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  1. Supplement Definition & Meaning - Merriam-Webster

  2. Vitamins & Supplements - WebMD

  3. Healthline Nutrition — Vitamins & Supplements

  4. The Truth About Dietary Supplements: Benefits, Risks, and More

  5. What Are Dietary Supplements? - Healthline

  6. FDA 101: Dietary Supplements | FDA - U.S. Food and Drug …

  7. Supplements: Purpose, Types, Benefits, Risks - Health

  8. Dietary Supplements - Nutrition.gov

  9. Nutrition and healthy eating Nutritional supplements

  10. Dietary Supplements & Vitamins - Verywell Fit