Nutrition & Supplements

Explore evidence-informed nutrition and supplement guides for adults in the United States. Start with safety and label literacy, then review the evidence for individual nutrients.

Start here: supplement regulation and safety

• Dietary supplement regulations: FDA rules, labels, and safety
• Supplement safety: doses, interactions, and precautions
• How to read Supplement Facts and ingredient labels
• Third-party testing and quality seals

These guides provide general education. For personal supplement decisions, consult a qualified clinician or pharmacist.