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Find out what vitamin B12 is and what it does in your body, what foods provide it, and about vitamin B12 supplements.

Find out what black cohosh is,what it does in your body, and about black cohosh supplements.

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

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

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

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

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

Aprender lo que es el folato (ácido fólico) y lo que hace en el cuerpo, cuales alimentos son fuentes de folato, y de los suplementos de folato.