Dietary Supplements Overview

Jun 26, 2024

Dietary Supplements Overview

Introduction

  • Dietary supplements, when used correctly, can support health, training, and athletic performance.
  • Some supplements are beneficial, others are not, and some can be harmful.
  • Ensuring supplements are legitimate is crucial for athletic considerations.
  • Poor manufacturing or intentional spiking with illegal substances can result in a positive drug test.

Prevalence of Supplement Use

  • Difficult to quantify among athletes due to limited research and inconsistent methodologies.
  • Inconsistent research design and lack of homogeneity among studies exacerbate the issue.

Regulatory Bodies and Acts

  • FDA: Food and Drug Administration
  • FTC: Federal Trade Commission
  • DSHEA: Dietary Supplement Health and Education Act of 1994
  • These terms are important when discussing legality and federal regulations of supplements.

Legal Definition of Supplements

  • A product taken by mouth with dietary ingredients to supplement the diet.
  • Dietary ingredients include vitamins, minerals, herbs, botanicals, amino acids, enzymes, organ tissues, glandulars, and metabolites.
  • Forms include tablets, capsules, liquids, powders, sports bars, or shakes.
  • Labels cannot imply the product should replace a meal or substitute a food diet.

FDA and Supplements

  • FDA does not approve dietary supplements for safety or effectiveness before market release.
  • Manufacturer's responsibility to ensure label accuracy and content matching.
  • FDA must prove a supplement is harmful to take action.
  • Very under-regulated compared to food and drugs.

Good Manufacturing Practices (GMPs)

  • Focus on identity, purity, quality, strength, and composition of supplements.
  • Manufacturers are responsible for ensuring product safety and label accuracy.

Supplement Facts Panel and Claims

  • Supplements must have a supplement facts panel listing dietary and other ingredients.
  • Recommended serving size determined by the manufacturer.
  • Nutrient content claims describe the quantity of a nutrient and must be FDA authorized.
  • Health claims describe the nutrient's relationship to reduced disease risk and require scientific agreement.
  • Structure and function claims focus on general well-being, not specific diseases.

Evaluating Supplements

  • Review product brand, name, claims, and key ingredients quantity.
  • National brands tend to be more reputable.
  • Look for voluntary certifications: USP, NSF, informed choice.
  • Third-party certifications help ensure supplement quality and prevent contamination.

Potential Dangers and Testing

  • Supplements might contain undeclared prohibited substances due to poor manufacturing.
  • US Anti-Doping Agency manages testing programs, with strict liability for athletes testing positive for banned substances.

Tips for Safe Supplement Use

  • Look for trusted certifications (USP, NSF, informed choice).
  • Be aware of potential contamination from poor manufacturing practices.
  • Check fda's medication health fraud website for hazardous products.

Conclusion

  • Importance of carefully evaluating supplements for safety and effectiveness.
  • Regulatory agencies and third-party certifications play key roles in maintaining supplement standards.
  • Athletes should be cautious of banned substances and check certifications to ensure product integrity.