In one of my last pieces, I broke down how training frequency can drive adaptations for the everyday athlete. Today, we're exploring a powerful lever: vitamin D ...

Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, ...

Collectively, these studies suggest that vitamin D plays a crucial role in brain development during pregnancy, with lasting ...

Being low on vitamin D can increase your risk of high blood pressure and diabetes, says Michael Holick, M.D., endocrinologist ...

Vitamin D is not only an essential nutrient, but also the precursor of the hormone calcitriol, indispensable for health. It ...

Learn how vitamin D supplements may affect your blood pressure, who may benefit most, and how much to take safely—especially ...

Vitamin C may be best known for its immune-boosting powers, helping you fight off colds, control infections, and heal wounds, ...

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and ...

“Vitamin D plays a role in reproduction and glucose balance, and therefore PCOS (polycystic ovary syndrome), with the prevalence of vitamin D deficiency in women with PCOS being around 67-85 per ...

Vitamin D boosts bone health and fights inflammation. Sunshine helps produce it. So, do Floridians need to take supplements ...

The overall case for taking vitamin D supplements doesn’t look very compelling—assuming, that is, that you don’t have a genuine deficiency.