Learn about supplements for energy that are not vitamin D, including B12, iron, CoQ10, and adaptogens that may support stamina and reduce fatigue.

Many supplements claim to benefit gut health, but those with evidence supporting them include prebiotics, fiber supplements, ginger root, peppermint oil capsules, and L-glutamine.

There is no “miracle cure” for aging, and while vitamin B3 supplements can play a positive role in health, we should be wary ...

Kayla Girgen, RD, is a licensed dietitian who specializes in weight management and weight loss for patients after bariatric surgery. Vitamin D supports insulin function, and low levels are common ...

A randomized trial from Vanderbilt-Ingram Cancer Center reveals that magnesium may be the missing key to keeping vitamin D levels in balance. The study found that magnesium raised vitamin D in people ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether supplements might help protect you. Vitamin D is thought to play a protective role ...

SEATTLE — As Pacific Northwesterners go deeper into the "big dark," some may wonder about their vitamin D levels. "It's so unique because it's the one vitamin that we actually get from the sun, ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense ...