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Find out what folate is and what it does in your body, what foods provide it, and about folate supplements.

Summaries of research on the safety and efficacy of several of the most commonly used ingredients in weight-loss dietary supplements.

Aprender sobre suplementos dietéticos para perder peso, lo que hacen, lo que hay dentro, cómo se los regulan, y si pueden ser perjudiciosos.

Learn about weight-loss dietary supplements, what they do, the ingredients in them, how they are regulated, and if they can be harmful.

Recommended intakes and sources of calcium, effects of deficiency and excess, groups at risk of inadequacy, and interactions with medications.

Find out what calcium is and what it does in your body, what foods provide it, and about calcium supplements.

By accepting a grant award, recipients agree to comply with the requirements in the NIH Grants Policy Statement unless the notice of award states otherwise. Specific policy topic pages listed below expand upon this resource to provide additional context and resources.