Vitamins & Supplements

No pill (or collection of pills) can replicate the healthful nutrients in whole foods.

Dietary Supplement Myths You Need to Know

In a 2019 poll, 86 percent of Americans surveyed said they took some kind of vitamin, mineral, or other dietary supplement. Ironically, data are...
Vitamin D

Insufficient Evidence for Universal Vitamin D Screening

A new U.S. Preventive Services Task Force (USPSTF) report has concluded there is not currently enough evidence to officially recommend screening vitamin D levels...
More evidence suggests vitamin C, zinc, or vitamin D supplements will not protect you from COVID infection or make illness shorter or less severe.

Nutrient Supplements May Not Help Against COVID-19

Two small randomized clinical trials were not able to demonstrate a benefit of high dose zinc, vitamin C, or vitamin D3 for patients with...
The omega-3 fats EPA and DHA may help fight inflammation, which could slow progression of cardiovascular disease.

DHA and EPA omega-3s may both fight chronic inflammation

Obesity is associated with chronic low-grade inflammation that can increase risk for atherosclerosis, type 2 diabetes, cancer, and poor outcomes with COVID-19. The omega-3...
Dietary supplements, which are largely unregulated, may contain potentially dangerous ingredients not listed on labels.

Specific supplements bought online may contain dangerous ingredients

The U.S. Food and Drug Administration (FDA) has issued a warning to consumers regarding 46 specific weight loss and male enhancement products. Laboratory analysis...

High-Dose Omega-3 Supplements and Cardiovascular Health

A recent large, randomized controlled trial (coauthored by Friedman School Dean and Tufts Health & Nutrition Letter editor-in-chief Dariush Mozaffarian, MD, DrPH) evaluated the...

Turmeric: The “Golden” Supplement

Turmeric, the golden-orange spice commonly known for imparting a yellow hue to curries and mustards, is now trending in golden milk lattes, juice bar...

Q. Why do you say it is better to get nutrients from foods rather...

A. Alice H. Lichtenstein, DSc, executive editor of Tufts Health & Nutrition Letter, answers: “Optimal health is dependent on consuming the appropriate quantity of...
Vitamin D

Vitamin D Supplements Do Not Help Cholesterol Levels

Researchers from Tufts University and Tufts Medical Center have found that taking vitamin D3 supplements has no effect on serum cholesterol. Their randomized controlled...
Pregnant Women

Prenatal Vitamin D Does Not Prevent Childhood Asthma

A study published recently in the New England Journal of Medicine found that vitamin D supplementation during the prenatal period alone did not influence...