Calcium is a mineral that gives bones their structure and strength, while vitamin D is a hormone that supports bone growth, according to Natalie Allen, RD, a clinical associate professor of nutrition ...

A lack of vitamin D can cause a predisposition to bone fractures, muscle and bone aches and pains, and fatigue. It can even ...

If you're one of the almost 25% of people in the U.S. who are low on vitamin D, your food choices could have a big impact. It's hard to get enough vitamin D from food alone, but combining it with ...

Vitamin D is thought to influence body weight and fat storage. Low levels of this vitamin are associated with obesity and weight gain, as it plays a role in controlling appetite and fat metabolism.

Vitamin deficiencies often go unnoticed. These deficiencies impact energy, mental health and immunity. Constant fatigue ...

This process, known as hydroxylation, is what allows your body to use vitamin D for various vital processes.

Magnesium helps make vitamin D useful in your body. If magnesium levels are low, your body will have difficulty processing and using vitamin D. 2 Taking them together may boost the benefits. 8 ...

Vitamin D is a key regulator of how your body is using calories to grow. There is growing evidence from genetic studies, animal research, and human trials, to support vitamin D’s role in ...

Our registered dietitian put 17 vitamin D supplements to the test — these eight options from brands like Nature Made and Double Wood may be worth adding to your routine.

The surprising reasons your body can’t make vitamin D from sunshine By Vera Emoghene Jun 14, 2025 3:52 pm Photo Credit: Shutterstock.com / Krakenimages.com ...

And, again, your body can’t process vitamin D if your magnesium levels are low. If you want to take magnesium and vitamin D at the same time, Gans says you’re just fine to do that—you just ...

Vitamin D does many wonders for the human body, and now, supplements have added one more. According to findings published in The American Journal of Clinical Nutrition earlier this week, vitamin D ...