Vitamins & Supplements

Q. You seem to write a lot about supplements not being necessary. Aren’t multivitamins...

Q. You seem to write a lot about supplements not being necessary. Arent multivitamins a good thing?

Some Supplement Ingredients Not Lawful

Image © Waldemarus | Getty Images The FDA recently unveiled the Dietary Supplement Ingredient Advisory List, designed to alert consumers to unlawful ingredients identified in...

Q. What is the most recent thinking on biotin?

Q. What is the most recent thinking on biotin?

Vitamin K: Beyond Blood Clotting

Vitamin K was named for its role in coagulation (koagulation in German), but it turns out this important vitamin has significant roles beyond blood clotting. Work by Tufts researchers and others shows that vitamin K may be an important factor in bone health, cardiovascular health, and type 2 diabetes.

Q. Why dont I see vitamin A on my package of ready-to-steam frozen sweet...

Q. Why dont I see vitamin A on my package of ready-to-steam frozen sweet potatoes?

Q. I see the term B vitamins a lot. Why is this plural, when...

I see the term B vitamins a lot. Why is this plural, when other vitamins, like vitamin C, are not?

DRI Update for Sodium and Potassium

An expert committee of the National Academies of Sciences, Engineering, and Medicine, which included Alice H. Lichtenstein, DSc, Gershoff Professor at the Friedman School of Nutrition Science and Policy and Executive Editor of Tufts Health & Nutrition Letter, recently reviewed the scientific evidence in order to update the official U.S. and Canadian Dietary Reference Intakes (DRIs) for sodium and potassium.

Magnesium and Migraine

The International Headache Society (IHS) defines migraine as a headache disorder with recurrent attacks (at least five) that last from 4 to 72 hours, are associated with nausea and/or sensitivity to light and sound, and also have at least two of four other characteristics including: pain that is of moderate or severe intensity; throbbing or pulsing; affects only one side of the head; or is worsened by routine activity such as walking. According to the 2017 Global Burden of Disease Study, migraine is a major cause of disability worldwide.

No Heart or Cancer Benefit from High-Dose Vitamin D

The New England Journal of Medicine recently published a study that found high-dose vitamin D supplementation provided no protective benefit with regard to risk of developing either cancer or cardiovascular disease.

Flavanols from Food Likely Better than Supplements

A recent study, published in the American Journal of Clinical Nutrition, determined that isolated flavanols did not have a beneficial impact on systolic blood pressure and other cardiometabolic markers.