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Vitamins & Supplements

The best way to get the nutrients your body needs is by eating a balanced diet. But it's not always easy to meet your daily requirements of certain nutrients from food alone. Tufts experts separate the facts from the hype on supplements. You'll find unbiased information on vitamins like B-complex, C, D and E, supplements like omega-3 and lutein and essential minerals like magnesium and potassium and how they can protect or, in high doses, even harm your health.

Vitamin D Supplementation Does Not Improve Insulin Action

February 2020 — While observational studies have suggested that low blood levels of vitamin D are associated with higher risk of developing type 2 diabetes, a clinical trial recently published in The American Journal of Clinical Nutrition found that supplementation with vitamin D3 had no effect on insulin action in people with prediabetes.

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More Vitamins & Supplements

Folic Acid Overload?

 Subscribers OnlyOctober 2019 - The B vitamin folate (B9) is found naturally in a variety of foods including vegetables (especially dark leafy...

Vitamin K: Beyond Blood Clotting

 Subscribers OnlyJune 2019 - Vitamin K was named for its role in coagulation (koagulation in German), but it turns out this important vitamin has...

Magnesium and Migraine

June 2019 - The International Headache Society (IHS) defines migraine as a headache disorder with recurrent attacks (at least...