NUTRACEUTICAL CORPORATION; SOLARAY, INC., Plaintiffs-Appellees, v. ANDREW VON ESCHENBACH, Acting Commissioner, U.S. Food and Drug Administration; UNITED STATES FOOD AND DRUG ADMINISTRATION; MICHAEL O. LEAVITT, Secretary of the Department of Health and Human Services; DEPARTMENT OF HEALTH AND HUMAN SERVICES; UNITED STATES OF AMERICA, Defendants-Appellants.
No. 05-4151
UNITED STATES COURT OF APPEALS FOR THE TENTH CIRCUIT
2006 U.S. App. LEXIS 21066
 
August 17, 2006, Filed
PRIOR HISTORY:  [*1]  APPEAL FROM THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF UTAH. (D.C. No. 2:04-CV-00409-TC). Nutraceutical Corp. v. Crawford, 364 F. Supp. 2d 1310, 2005 U.S. Dist. LEXIS 10259 (D. Utah, 2005)


DISPOSITION: REVERSED, REMANDED.

COUNSEL: Christine N. Kohl, Attorney (Peter D. Keisler, Assistant Attorney General, Paul M. Warner, United States Attorney, Jeffrey Bucholtz, Deputy Assistant Attorney General, and Douglas N. Letter, Attorney, Department of Justice, Washington, D.C., and Paula M. Stannard, Acting General Counsel, Sheldon T. Bradshaw, Associate General Counsel, Eric M. Blumberg, Deputy Chief Counsel, and Claudia J. Zuckerman, Associate Chief Counsel, Office of General Counsel, U.S. Department of Health & Human Services, Food and Drug Division, Rockville, Maryland, with her on the briefs), for Defendants-Appellants.
 
Jonathan W. Emord (Andrea G. Ferrenz with him on the brief), Emord & Associates, P.C., Reston, Virginia for Plaintiffs-Appellees.

JUDGES: Before KELLY, TYMKOVICH, Circuit Judges and EAGAN, * District Judge.

* The Honorable Claire V. Eagan, District Judge, United States District Court for the Northern District of Oklahoma, sitting by designation.

OPINION BY: Claire V. Eagan

OPINION:
 
EAGAN, District Judge.

Defendants-appellants, Andrew von Eschenbach, M.D., Acting Commissioner [*2]  of the U.S. Food and Drug Administration, the United States Food and Drug Administration ("FDA" or "the agency"), Michael O. Leavitt, Secretary of the Department of Health and Human Services, the Department of Health and Human Services, and the United States, appeal from a judgment of the district court denying their motion for summary judgment and granting the cross-motion of plaintiffs-appellees for summary judgment. Nutraceutical Corp. v. Crawford, 364 F. Supp. 2d 1310 (D. Utah 2005). Plaintiffs-appellees, Nutraceutical Corporation and its wholly-owned subsidiary, Solaray Corporation (collectively, "Nutraceutical"), manufacture and sell Ephedra, a product containing ephedrine-alkaloid dietary supplements ("EDS"). In 2004, the FDA issued a regulation which banned all EDS sales in the United States market. Nutraceutical brought this action challenging the regulation as unlawful. The district court agreed with Nutraceutical. Id. at 1321. Our jurisdiction arises under 28 U.S.C. § 1291, and we reverse.
 
Background

In its published decision, the district court determined that the risk-benefit analysis employed by the [*3]  FDA to support an EDS ban was contrary to the intent of Congress and that the FDA had failed to prove by a preponderance of the evidence that EDS pose an unreasonable risk of illness or injury at 10 milligrams ("mg") or less a day. Nutraceutical, 364 F. Supp. 2d 1310. It accordingly entered summary judgment in favor of Nutraceutical, enjoined the FDA from enforcing its proscription against Nutraceutical for the sale of products with a recommended daily dosage of 10 mg or less of EDS, n1 and remanded to the FDA for new rule-making.

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n1 To the extent that we recognize Nutraceutical's product as recommending less than 10 mg of ephedrine alkaloids per day, Nutraceutical's Motion to Correct Oral Argument Record, filed on May 11, 2006, is granted.
 

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The issues raised by this appeal are: (1) whether the FDA correctly interpreted the relevant statute to require a risk-benefit analysis in determining if a dietary supplement presents an "unreasonable risk of illness or injury"; and (2) whether the FDA satisfied [*4]  its burden of proving that dietary supplements containing EDS present an unreasonable risk of illness or injury when doses of 10 mg or less per day are suggested or recommended in labeling.

Nutraceutical alleges that the FDA lacked statutory authority to promulgate and enforce a ban of all EDS. The FDA argues that it acted pursuant to the broad authority delegated to it by the Food, Drug and Cosmetic Act ("FDCA"), 21 U.S.C. §§ 301, et seq., to regulate dietary supplements for safety. The FDCA provides the FDA with broad authority to regulate food, drug, and dietary supplement products in order to ensure public health and safety. Id. In 1994, Congress amended the FDCA with the Dietary Supplement Heath and Education Act ("DSHEA"), Pub. L. No. 103-417, 108 Stat. 4325 (1994). Under DSHEA, the FDA regulates vitamins, minerals, herbs, amino acids, and other dietary substances. Dietary supplements are generally regulated in a manner similar to food and the FDA is authorized to prevent adulterated products from entering the market. See 21 U.S.C. § 331(a), (b), (c), (k) (adulteration and distribution of adulterated food are prohibited [*5]  acts). Congress declared that a dietary supplement is "adulterated":

If it is a dietary supplement or contains a dietary ingredient that--
 
(A) presents a significant or unreasonable risk of illness or injury under--

(i) conditions of use recommended or suggested in labeling, or
 
(ii) if no conditions of use are suggested or recommended in the labeling, under ordinary conditions of use; . . .

 
21 U.S.C. § 342(f)(1). The FDA argues that EDS are adulterated and points to the "unreasonable risk of illness or injury" provision of DSHEA as the primary source of statutory authority for its EDS ban. 21 U.S.C. § 342(f)(1)(A).

Ephedrine alkaloids are a class of structurally-related chemical stimulants that occur naturally in some botanicals. In the 1980s and 1990s, manufacturers promoted the sale of EDS for weight loss and athletic performance enhancement. In the 1990s, the FDA received numerous Adverse Event Reports ("AERs") which documented harmful side effects, including heart attacks, strokes, seizures, and death, associated with EDS intake. n2 Based on the circumstantial evidence of the AERs, the FDA began [*6]  to investigate the effects of EDS. The investigation included a literature review of scientific studies and a Food Advisory Committee on Dietary Supplements Containing Ephedrine Alkaloids Meeting held on August 26-27, 1996 ("1996 Food Advisory Committee"). In 1997, the agency proposed a regulation which would have required specific warnings and established a dosage regimen. 62 Fed. Reg. 30,678 (June 4, 1997).

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n2 The FDA established the MedWatch program to monitor AERs associated with nutritional products, including dietary supplements. This program relies on voluntary reporting from public health agencies, health professionals, and consumers. See FDA MedWatch Home Page, http://www.fda.gov/medwatch/.
 

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The FDA's 1997 proposed regulation of EDS faced substantial opposition, including from the General Accounting Office ("GAO"). The GAO determined that the FDA had not been thorough in its investigation and requested further research. See GAO, Dietary Supplements: Uncertainties in Analyses Underlying  [*7]  FDA's Proposed Rule on Ephedrine Alkaloids 11 (1999). Responding to the GAO's concerns, the FDA withdrew the 1997 proposed regulation. 65 Fed. Reg. 17,474 (Apr. 3, 2000).

The FDA continued to receive AERs and compile scientific literature regarding EDS. Given the fact that dietary supplement manufacturers are not required to submit scientific data on their products, the body of scientific literature on EDS was limited. Among the studies on which the FDA relied was a report commissioned by the National Institutes of Health. To further supplement the record, the agency hired Mario A. Inchiosa, Jr., Ph.D., n3 to conduct further research on the health effects of EDS in 1999. During the public notice and comment period, Nutraceutical submitted to the FDA several requests for an exemption of low-dosage EDS, to no avail. The administrative record grew to over 130,000 pages, approximately 19,000 AERs were collected, n4 and extensive public notice and comment resulted in over 48,000 comments.

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n3 Professor of Pharmacology, New York Medical College.


n4 The AERs which were voluntarily submitted to the FDA were supplemented with 16,000 complaints received by Metabolife, one of the largest distributors of EDS. 364 F. Supp. 2d at 1315; see GAO, Dietary Supplements: Review of Health-Related Call Records for Users of Metabolife 356 (GAO-03-494) (2003).
 

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After seven years of investigating EDS, the FDA adopted a regulation which banned EDS at all dosage levels from the national market. Final Rule Declaring Dietary Supplements Containing Ephedrine Alkaloids Adulterated Because They Present an Unreasonable Risk, 69 Fed. Reg. 6788 (Feb. 11, 2004) ("Final Rule"). In the Final Rule, the FDA concluded that "[t]he best clinical evidence for a benefit . . . supports only a modest short-term weight loss, insufficient to positively affect cardiovascular risk factors or health conditions associated with being overweight or obese." Id. at 6789. Based on this risk-benefit analysis, the FDA determined that all EDS present an "unreasonable risk of illness or injury" under all ordinary or recommended conditions of use. Id. at 6788. As such, the Final Rule classified EDS adulterated within the meaning of DSHEA.

The district court held that "the FDA's requirement that EDS demonstrate a benefit is contrary to the clear intent of Congress" and found the agency's definition of "unreasonable" as entailing a risk-benefit analysis to be improper. 364 F. Supp. 2d 1310, 1319. The district court [*9]  also found that the FDA failed "to prove by a preponderance of the evidence that a dosage of 10 mg or less of ephedrine alkaloids presents a significant or unreasonable risk of illness or injury." Id. at 1321. Based on these findings, the district court granted summary judgment for plaintiffs and denied summary judgment for defendants.
 
Discussion
 
Standard of Review

The district court's conclusions as to whether the FDA had acted pursuant to congressionally delegated authority in promulgating a rule is reviewed de novo. However, the parties dispute the appropriate standard of review of the administrative decision. DSHEA provides that: "The court shall decide any issue under this paragraph on a de novo basis." 21 U.S.C. § 342(f). The district court did "not reach the question of whether the FDA's statutory construction should be reviewed de novo." 364 F. Supp. 2d at 1317. In the interest of clarity and consistency, we now reach this question.

Courts are to review agency actions under DSHEA using the "traditional tools of statutory construction." Pharmanex v. Shalala, 221 F.3d 1151, 1154 (10th Cir. 2000). [*10]  The de novo standard, under section 342(f), applies to enforcement actions by the United States against manufacturers of dietary supplements. Such enforcement actions may result in imprisonment or monetary fines. 21 U.S.C. § 333; see United States v. Park, 421 U.S. 658, 95 S. Ct. 1903, 44 L. Ed. 2d 489 (1975). Reading the statute as a whole, it is clear that the de novo standard applies when courts "decide" matters rather than when they "review" administrative decisions. As such, it is appropriate to limit the de novo standard of review, which affords the FDA no deference, to enforcement proceedings. Challenges by private parties to FDA rules promulgated under DSHEA are reviewed pursuant to the Administrative Procedure Act ("APA"), 5 U.S.C. § 706, and "the normal rules for judicial deference regarding agency action apply." NVE, Inc. v. HHS, 436 F.3d 182, 196 (3rd Cir. 2006). "Had Congress intended to supplant the well-established procedures for APA challenges, it would have been clearer about its objective." Id. at 194.
 
Chevron Analysis

A court reviewing the FDA's construction [*11]  of the FDCA must determine: whether Congress has directly spoken to precise question at issue; and if not, then whether agency's construction of statute is permissible one. Chevron U.S.A., Inc. v. Natural Res. Def. Council, Inc., 467 U.S. 837, 842-43, 81 L. Ed. 2d 694, 104 S. Ct. 2778 (1984). In reviewing the FDA's interpretation of DSHEA under Chevron, we ask two questions:

 
First, always, is the question whether Congress has directly spoken to the precise question at issue. If the intent of Congress is clear, that is the end of the matter; for the court, as well as the agency, must give effect to the unambiguously expressed intent of Congress [Chevron step 1]. But if the statute is silent or ambiguous with respect to the specific issue, the question for the court is whether the agency's answer is based on a permissible construction of the statute. If Congress has explicitly or implicitly delegated authority to an agency, legislative regulations are given controlling weight unless they are arbitrary, capricious, or manifestly contrary to the statute [Chevron step 2].

 
Seneca-Cayuga Tribe of Oklahoma v. National Indian Gaming Com'n, 327 F.3d 1019, 1037 (10th Cir. 2003) [*12]  (citations omitted).

The APA reflects the principles of Chevron and "provides that agency action must be set aside if the action was 'arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law' or if the action failed to meet statutory, procedural, or constitutional requirements." Valley Cmty. Pres. Comm'n v. Mineta, 373 F.3d 1078, 1084 (10th Cir. 2004) (internal quotation omitted) (citing 5 U.S.C. § 706). "When we review an agency's decision under the arbitrary, capricious or abuse of discretion standard [of the APA], our review is narrow and deferential; we must uphold the agency's action if it has articulated a rational basis for the decision and has considered relevant factors." Slingluff v. Occupational Safety & Health Review Comm'n, 425 F.3d 861, 866 (10th Cir. 2005) (citing Mountain Side Mobile Estates P'ship v. Sec'y of HUD, 56 F.3d 1243, 1250 (10th Cir. 1995)). Under the APA, regulations are presumed to be valid, and review is deferential to the government agency.
 
"Unreasonable Risk"

In this case, we must determine whether Congress unambiguously manifested [*13]  its intent to restrict the FDA from weighing benefits when determining the risk posed by a dietary supplement. The district court was correct to proceed under Chevron step one in deciding the question of whether the FDA properly used a risk-benefit analysis in determining whether EDS pose an "unreasonable risk." Chevron, 467 U.S. at 843. We nevertheless reverse the district court after finding that Congress unambiguously required the FDA to conduct a risk-benefit analysis under DSHEA.

In 1994, Congress enacted DSHEA to clarify that dietary supplements, absent declarations promoting the supplements as drugs, would be regulated in a manner similar to food products. Accordingly, in the interest of public health, Congress imposed a duty on the FDA to keep adulterated dietary supplements off the market. 108 Stat. at 4326 (instructing the FDA to "take swift action against [dietary supplements] that are unsafe or adulterated."). DSHEA classifies a dietary supplement as adulterated if it "presents a significant or unreasonable risk of illness or injury." 21 U.S.C. § 342(f)(1). The FDA understood "[t]he plain meaning of 'unreasonable' . . . [to]  [*14]  connote[] comparison of the risks and benefits of the product." 69 Fed. Reg. 6788, 6823 (2004). We agree. The plain language of the statute directs the FDA to restrict distribution of dietary supplements which pose any risk that is unreasonable in light of its potential benefits. See Merck KGaA v. Integra Lifesciences I, Ltd., 545 U.S. 193, 125 S. Ct. 2372, 162 L. Ed. 2d 160 (2005) (unanimously finding that "unreasonable risk," as used in another FDCA provision, 21 U.S.C. § 355(i)(3)(B)(I), "involves a comparison of the risks and the benefits . . . .").

Congress enacted DSHEA in an effort to improve public access to dietary supplements based on the belief that there may be a positive relationship between dietary supplement use, reduced health-care expenses, and disease prevention. See Pharmanex, 221 F.3d at 1158-59 ("It is true that DSHEA was enacted to alleviate the regulatory burdens on the dietary supplement industry, allowing consumers greater access to safe dietary supplements in order to promote greater wellness among the American population.") (citation omitted). The FDCA should not be read too restrictively but in manner [*15]  consistent with the statute's overriding purpose to protect public health. See 21 U.S.C.A. § 301 et seq.; United States v. Rx Depot, Inc., 438 F.3d 1052, 1061 (10th Cir. 2006) ("The FDCA's primary purpose is to protect the public health.") (citing United States v. An Article of Drug . . . Bacto-Unidisk, 394 U.S. 784, 798, 89 S. Ct. 1410, 22 L. Ed. 2d 726 (1969)). Accordingly, DSHEA should receive a liberal construction where the FDA has taken remedial steps in response to a perceived public health problem.

According to the district court, by injecting a risk-benefit analysis, the FDA required Nutraceutical to make a showing of the benefits of its product. However, at no time has the FDA required manufacturers of EDS to provide data on the benefits of their products. Rather, the FDA has assumed its responsibility of gathering data, soliciting comments, and conducting the risk-benefit analysis. n5 Congress expressly placed the burden of proof on the government to determine whether a dietary supplement is adulterated. Accordingly, EDS were allowed to enter the market without findings of safety or effectiveness. The FDA did not impose [*16]  a pre-market requirement for the sale of EDS. For example, Nutraceutical has been selling EDS since 1988. As dictated by the statutory scheme, the FDA assumed the duty of post-market surveillance and imposed the EDS ban following numerous AERs, public notice and comment, and significant scientific review. See 69 Fed. Reg. 6788. Based on the record, we disagree with the district court and find that the FDA did not shift the burden of proof to manufacturers. The risk-benefit analysis is conducted by, and at the expense of, the agency. Id. at 6798 ("the agency performs a risk/benefit analysis to ascertain whether the risks of the product outweigh its benefits."). Despite Nutraceutical's characterization of the process, the agency did not "require[] proof of a substantial benefit to counterbalance risk as a condition precedent to lawful sale of EDS." Appellee's Brief, at 5. The burden remains on the agency to show that risks associated with a dietary supplement outweigh benefits and are, therefore, unreasonable. Thus, a risk-benefit analysis does not undermine congressional intent by improperly shifting the burden of proof onto manufacturers of dietary [*17]  supplements.

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n5 The district court compared the language of DSHEA to the statutory language governing medical devices and drugs and concluded that, unlike manufacturers of medical devices and drugs, manufacturers of dietary supplements do not need to prove effectiveness prior to taking their product to market. 364 F. Supp. 2d at 1318 ("A brief look at the legislative history of the DSHEA indicates that Congress generally intended to harmonize the treatment of dietary supplements with that of foods when it added the dietary supplement subsection to the food adulteration provision."). The district court is correct. However, the district court confused effectiveness with safety. The FDA did not ban EDS for failing to deliver promised health gains or for ineffectiveness; the FDA banned EDS because they were determined to be unsafe.
 

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Under the rules of statutory construction, courts consider the whole act and evaluate terms in context. Pharmanex, 221 F.3d at 1154 ("we examine the statutory [*18]  provision in context."). The rule against surplusage encourages courts to give meaning to every word used in a statute to realize congressional intent. In effect, this rule embodies the belief that Congress would not have included superfluous language. Thus, in DSHEA, an "unreasonable risk" has a meaning independent from a "significant risk." The plain meaning of a "significant risk" is a great danger. "Unreasonable risk" is a distinct term and requires more than evaluation of the significance of risk. "A risk could be significant but reasonable if the benefits were great enough to outweigh the risks." 69 Fed. Reg. at 6823. In other words, an "unreasonable risk" is relative to the circumstances; the potential risk is more "unreasonable" if the potential benefit is smaller. See Castrignano v. E.R. Squibb & Sons, Inc., 900 F.2d 455, 459 (1st Cir. 1990) (upholding jury instructions which define "unreasonable" as the "balance between the expected beneficial effects of the [product] as opposed to its harmful effects, if any."). The district court erred by conflating the terms "significant" and "unreasonable," thereby rendering "unreasonable" superfluous.  [*19]  In contrast to "significant risk," "unreasonable risk" accounts for whether the benefits justify the risks. The use of "unreasonable" to qualify risk in addition to "significant" makes it clear that Congress intended to integrate a risk-benefit analysis in the former. Thus, because we find the statute is clear, we now review the FDA's absolute prohibition of EDS under the APA.
 
"Conditions of Use"

Under DSHEA, the government bears the burden of proof to show that, "under conditions of use recommended or suggested in labeling," a dietary supplement is adulterated. 21 U.S.C. § 342(f)(1)(A)(i). It is undisputed that the FDA must consider the dosage recommended in a dietary supplement's labeling when making an adulteration determination under section 342(f)(1)(A). The district court held that the FDA failed "to prove by a preponderance of the evidence that a dosage of 10 mg or less of ephedrine alkaloids presents a significant or unreasonable risk of illness or injury, [and] has failed to give effect to the dose-specific language of [] § 342(f)(1)(A)(I)." 364 F. Supp. 2d at 1321.

In determining that EDS pose an "unreasonable risk of illness [*20]  or injury," the FDA found that the weight loss and other health benefits possible from the use of EDS were dwarfed by the potential long-term harm to the user's cardiovascular system. The agency went on to enact a complete ban on the product after making a finding that any amount of EDS had negative ramifications on the cardiovascular system and, based on the FDA's analysis, EDS provided no benefits so great as to justify such risk.

The preponderance of the evidence standard n6 requires the party with the burden of proof to support its position with the greater weight of the evidence. See Metropolitan Stevedore Co. v. Rambo, 521 U.S. 121, 137-38 n.9, 117 S. Ct. 1953, 138 L. Ed. 2d 327 (1997) (explaining that the preponderance of the evidence standard "simply requires the trier of fact to believe that the existence of a fact is more probable than its nonexistence . . . .") (citation omitted); Vesper Const. Co., Inc. v. Rain for Rent, Inc., 602 F.2d 238, 242 (10th Cir. 1979) ("by the greater weight of the evidence or, as it is sometimes called, the preponderance of the evidence."). The evidence relied on by the FDA to enact its ban of EDS covers over seven years of [*21]  agency review, public notice and comment, peer-reviewed literature, and scientific data. It is the purview of the FDA to weigh the evidence, including the evidence submitted by Nutraceutical and other manufacturers during public notice and comment.

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n6 Congress did not prescribe the quantum of proof required under DSHEA. Accordingly, the standard traditionally applied in administrative cases, the preponderance of the evidence standard, governs. See Steadman v. SEC, 450 U.S. 91, 95, 102, 101 S. Ct. 999, 67 L. Ed. 2d 69 (1981).
 

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It is noteworthy that Nutraceutical relies on the 1999 GAO report to support its contention that the Final Rule lacks support. However, the GAO has since updated its findings and arrived at conclusions in support of the Final Rule. See GAO, Dietary Supplements: Review of Health-Related Call Records for Users of Metabolife 356 (GAO-03-494) (2003). Based on scientific data and AERs, the GAO concluded that EDS pose a significant risk of cardiovascular and nervous system effects among [*22]  consumers who are young to middle-aged. See GAO, Dietary Supplements Containing Ephedra, Testimony before the Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives (July 23, 2003); 69 Fed. Reg. at 6818 (GAO found that AERs "were consistent with . . . the scientifically documented pharmacological and physiological effects of ephedrine alkoids.").

The FDA hired Dr. Inchiosa to study the effects of EDS on human health in 1999. Dr. Inchiosa used principles of pharmacokinetics n7 to examine the effects of ingestion of EDS on the human cardiovascular system. Dr. Inchiosa found that ephedrine would be expected to produce the same adverse cardiovascular effects (increased heart rate and blood pressure) as a comparable dose of the pharmacologically-related drug, epinephrine, n8 and that, consequently, no dose of ephedrine can be considered safe. Nutraceutical raises objections to Dr. Inchiosa's study and methodology which it did not raise during the rulemaking. n9 Nutraceutical argues that Dr. Inchiosa's work is irrelevant to the effect of its low-level dosage EDS product because his study examined the impact of continuous [*23]  injection of epinephrine into the bloodstream rather than ingestion of pills containing 10 mg or less of EDS. n10 The district court rejected the "mathematical model used [by Dr. Inchiosa] to compare doses of epinephrine to ephedrine." 364 F. Supp. 2d at 1315. To account for the different potency levels of ephinephrine and ephedrine, Dr. Inchiosa factored the greater potency of ephinephrine into his calculations. Dr. Inchiosa's work indicates that he exaggerated margins of error in order to come to a conservative conclusion that the cardiovascular effects produced by a dose of 9 mg of EDS daily may be dangerous.

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n7 A pharmacokinetic analysis is one which examines the bodily absorption, distribution, metabolism, and excretion of drugs. Merriam Webster's Collegiate Dictionary 871 (10th ed. 1994).


n8 To reach his conclusions, Dr. Inchiosa relied on a peer-reviewed study of the effect of epinephrine in humans. William E. Clutter, et al., Epinephrine Plasma Metabolic Clearance Rates and Physiologic Thresholds for Metabolic and Hemodynamic Actions in Man, 66 J. Clin. Invest. 94 (July 1980). The Clutter study revealed significant increases in heart rate and blood pressure from epinephrine infusion at the rate of 0.5ug/minute. [*24] 
 


n9 Although Nutraceutical did not specifically object to Dr. Inchiosa's study and methodology during rulemaking, it did not thereby waive its objection. In a review of the decision of an administrative agency, a party waives its right to appeal an issue if it fails to object through comments or documents in the record. New Mexico Environmental Imp. Div. v. Thomas, 789 F.2d 825, 835 (10th Cir. 1986) (when agency solicited comments on the very issue being challenged, party "was obligated to make its record before the agency."); American Frozen Food Institute v. Train, 176 U.S. App. D.C. 105, 539 F.2d 107, 134 (D.C. Cir. 1976) ("What the industry failed to present to the Administrator during rulemaking procedures when specifically asked to comment cannot now be urged [as] a basis for invalidation [of the rule]."); see also Fuel Safe Washington v. F.E.R.C., 389 F.3d 1313 (10th Cir. 2004); Kennecott Copper Corp. V. E.P.A., 612 F.2d 1232, 1245 (10th Cir. 1979) ("it is well settled that industry must first utilize the opportunity for comment [on an agency regulation] before it may raise issues on appeal."). While Nutraceutical did not object to Dr. Inchiosa's study on the record, it did advance dissatisfaction with the scientific evidence relied on by the FDA during the rulemaking. Appellee's App., at 159-60 ("Nutraceutical submits these comments to show that there is absolutely no basis for concluding that [] whole-herb ephedra supplement products present a significant or unreasonable risk . . . ."). The FDA solicited comments on "new scientific evidence . . . concerning health risks associated with the use of dietary supplements containing ephedrine alkaloids." 68 Fed. Reg. 10417 (March 5, 2003). Dr. Inchiosa's study was not among the evidence referenced in the FDA's March notice. Id. Given that the FDA did not specifically ask for comments on Dr. Inchiosa's study and Nutraceutical did object to the new scientific evidence generally, it is appropriate for us to consider Nutraceutical's objections to Dr. Inchiosa's study in particular. [*25] 
 


n10 Nutraceutical's conclusory allegation that there is insufficient science to support the FDA's conclusion that increased heart rate and blood pressure correlate to increased risk of cardiovascular disease is contrary to the vast scientific evidence in the administrative record.
 

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Further, the FDA did not rely on Dr. Inchiosa's work alone. n11 The FDA's investigation also considered the findings of the National Institutes of Health, the GAO, and the 1996 Food Advisory Committee, among others. See also 364 F. Supp. 2d at 1320-21 ("Dr. Inchiosa . . . states that he cannot determine a safe level of EDS intake. This sentiment is echoed throughout the transcript of the [1996 Food Advisory Committee]. Several of the meeting's attendees made comments that a safe level could not be determined. There was, apparently, not enough evidence to support the conclusion that there is a safe level of intake for EDS."). The review of scientific literature is properly in the province of the FDA, to which this Court grants deference based on its expertise. See Weinberger v. Bentex Pharms., Inc., 412 U.S. 645, 653-54, 93 S. Ct. 2488, 37 L. Ed. 2d 235 (1973) [*26]  (The FDA is "peculiarly suited" to evaluate conflicting scientific reports, a matter "not . . . well left to a court without chemical or medical background," because it "necessarily implicates complex chemical and pharmacological considerations.").

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n11 The FDA relied on multiple studies which demonstrated that EDS raise blood pressure and increase heart rate. The agency considered evidence from the well-known, scientifically established pharmacology of ephedrine alkaloids; peer-reviewed scientific literature on the effects of ephedrine alkaloids; and AERs of occurrences following consumption of EDS. 69 Fed. Reg. 6788. In its call for comments, the FDA specifically cited to the following peer-reviewed studies: Stephen Bent, et al., The Relative Safety of Ephedra Compared with Other Herbal Products, 138 Ann. Intern. Med. 468-72 (March 2003) (finding that EDS accounted for 64% of all adverse reactions to herbs in the United States, despite representing only 0.82% of herbal product sales); Paul G. Shekelle, et al., U.S. Dep't of Health & Human Servs., Agency for Healthcare Research & Quality, Assessment No. 76, Ephedra and Ephedrine for Weight Loss and Athletic Performance Enhancement: Clinical Efficacy and Side Effects (Feb. 2003) (concluding that the use of ephedrine and/or the use of ephedra or ephedrine plus caffeine is associated with two to three times the risk of nausea, vomiting, psychiatric symptoms such as anxiety and change in mood, autonomic hyperactivity, and palpitations); Lewis B. Morgenstern, et al., Use of Ephedra-Containing Products and Risk for Hemorrhagic Stroke, 60 J. Neurology 132-35 (2003) (concluding that ephedra is not associated with increased risk for hemorrhagic stroke, expect possibly at higher doses); David Samenuk, et al., Adverse Cardiovascular Events Temporally Associated With ma huang, an Herbal Source of Ephedrine, 77 Mayo Clinic Proceedings 12 (2002) (concluding that ephedra use is temporally related to stroke, myocardial infarction, and sudden death; underlying heart or vascular disease is not a prerequisite for ephedra-related adverse events; and the cardiovascular toxic effects associated with ephedra were not limited to massive doses); Christine Haller, et al., Pharmacology of Ephedra Alkaloids and Caffeine After Single-dose Dietary Supplement Use, 71 Clinical Pharmacology and Therapeutics 421-32 (June 2002) (after assessing the pharmokinetic effects of a single dose of EDS plus caffeine in eight healthy adults and finding that the mean heart rate response reached a maximum change of 15 beats/minute above the baseline, the authors concluded that dietary supplements that contain ephedra and caffeine can produce significant cardiovascular responses after a single dose); C. Boozer, et. al. Herbal Ephedra/Caffeine for Weight Loss: a 6-month Randomized Safety and Efficacy Trial, 26 Int'l J. Obesity Related and Metabolic Disorders 593-604 (2002) (concluding that dietary supplements that contain ephedra and caffeine promote weight and fat loss without the expected decrease in blood pressure); C. Boozer, et al., An Herbal Supplement Containing Ma Huang-Guarana for Weight Loss: A Randomized, Double-blind Trial, 25 Int'l J. Obesity and Related Metabolic Disorders, 316-24 (2001) (concluding that dietary supplements that contain ephedra and caffeine promote short-term weight and fat loss, but that safety with long-term use requires further investigation). The FDA also relied on an investigation by the GAO which withdrew its earlier criticism of the FDA's 1997 proposed regulation of EDS after linking EDS use with heart attacks, strokes, seizures, death, and cardiac arrest. In addition, Dr. Inchiosa's study discussed the relationship between EDS and epinephrine in a transparent manner. Ephedrine alkaloids are members of a family of pharmacological compounds called sympathomimetics, which mimic the effects of epinephrine in the human body. 69 Fed. Reg. at 6789. Dr. Inchiosa extrapolated data on epinephrine to draw conclusions about EDS, but he did so using peer-reviewed data and generally accepted principles of pharmacology.
 

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The majority of data in the administrative record suggests that EDS pose an unreasonable threat to the public's health. The FDA:

 
looked at the seriousness of the risks and the quality and persuasiveness of the totality of the evidence to support the presence of those risks. [It] then weighed the risks against the importance of the benefits and the quality and persuasiveness of the totality of the evidence to support the existence of those benefits . . . giv[ing] more weight to benefits that improve health outcomes, especially in the long term, than to benefits that are temporary or rely on subjective measures such as feeling or looking better.

 
69 Fed. Reg. at 6799. The agency expressed that it would not deem EDS adulterated based on "risks that are insignificant and reasonable in light of the benefits from the supplement . . . ." Id. at 6825. The evidence in the administrative record was sufficiently probative to demonstrate by a preponderance of the evidence that EDS at any dose level pose an unreasonable risk. The greater weight of the evidence supports the FDA's ban on EDS, thus satisfying the agency's burden.

The FDA's extensive [*28]  research identified the dose level at which ephedrine alkaloids present unreasonable risk of illness or injury to be so minuscule that no amount of EDS is reasonably safe. The FDA reasonably concluded that there is no recommended dose of EDS that does not present an unreasonable risk. Id. at 6829 ("dose limitations cannot change the unfavorable risk-benefit ratio of [EDS]"). The FDA was not arbitrary or capricious in its Final Rule; the FDA met its statutory burden of justifying a total ban of EDS by a preponderance of the evidence.

We find that the FDA correctly followed the congressional directive to analyze the risks and benefits of EDS in determining that there is no dosage level of EDS acceptable for the market. Summary judgment for plaintiffs was therefore improper, and summary judgment for defendants should have been entered. Accordingly, the district court's decision is reversed, and we remand for entry of judgment in favor of defendants. As noted above, Nutraceutical's Motion to Correct Oral Argument Record is granted.
 
REVERSED AND REMANDED.