Educational content only — not medical advice, and not a substitute for care from your own physician. Every FirstCall protocol is reviewed and signed by a physician before it reaches an athlete.
FirstCall sells the supplements it recommends and may earn from those sales. Parker Petersen is Dr. Petersen's son; his results are his own and are not typical.
Supplements: These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.