A daily vitamin D supplement can support bone strength, muscle function, and balance—especially in people who are vitamin D ...

Vitamin D deficiency can lead to bone softening and subsequent bone pain and fractures. Learn its causes, diagnosis, treatment, and prevention.

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.

Vitamin D remains a recurring topic in sport because low vitamin D status is common in athletic populations, particularly ...

Vitamin D is crucial for far more than bone strength—it supports your mood, immune system, and even sleep quality. Experts explain why a deficiency can quietly harm your health and how to boost your ...

“They increase the quality of the muscle you build as opposed to just the size of the actual muscle.” ...

DNA variations tied to vitamin B1 processing help explain why higher thiamine intake is linked to more frequent bowel movements in many people.

Learn how combining creatine and BCAAs can boost your workout energy, speed up muscle repair, and help you reach your fitness ...

There’s growing awareness of rare, but potentially serious side effects from mega doses of vitamin B6, a nutrient found in supplements and energy drinks.

This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones play a major role in regulating metabolism, mood, ...

Because supplements aren't tightly regulated before hitting the market, some products may not contain what the label claims — ...

There's no ideal time to take a vitamin D supplement for maximum absorption, but what you take it with can have an impact.