The 6 Nutrients You Need Most

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Vitamin D3

Key benefits

Strengthens your bones, teeth, and muscles
May protect against autoimmune diseases and breast and ovarian cancer

Best foods

1 large egg yolk (18IU)
1 ounce canned sardines (77IU)
1 teaspoon cod-liver oil (453IU)

Daily intake: 400-800IU (the RDA is 200IU, but will soon be increasing)

TIP: Ask your MD for a 25-OH vitamin D blood test to make sure you're not deficient.

Next: Calcium

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