Vitamin D is a fat-soluble vitamin and supplement that supports bone health and the immune system. Supplements like magnesium or calcium shouldn't be taken with it.

Comprehensive U.K. study of 8,000 participants finds collagen supplements improve skin elasticity and ease arthritis pain, but don't boost athletic performance.

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

Hiya offers kids supplements formulated with whole food–based ingredients and zero added sugar. The brand is best-known for its multivitamin, but also offers a probiotic, bedtime supplement, iron ...

Want to give your heart a little TLC? Across the country, nearly half of all adults have some form of cardiovascular disease, the leading cause of death for American men and women. With numbers like ...

Collagen supplements may improve skin and reduce osteoarthritis pain, but new research finds little evidence for workout or recovery benefits.

Some supplements that can lower blood sugar may lower it too much if you take them with medication. Other supplements may ...

A balanced diet can provide most of the vitamins, minerals, and nutrients your body needs. However, athletes may have increased needs. That’s were supplements come in. A healthcare professional, like ...

Unhealthy or thinning hair? Our panel of testers helped us test the best hair growth supplements – these are the ones that ...

Read our review of the Feel Magnesium and Calcium supplements here, plus where to buy and how it can help PMS symptoms.