Excess vitamin A also has an impact on pregnant women and fetuses in the womb, so it can cause congenital birth defects.

The ideal dose of vitamin B12 varies based on your sex ... you may want to consider taking a supplement. Older adults are more prone to vitamin B12 deficiency. As you age, your body naturally ...

and safe dosage to prevent and treat vitamin D deficiency in the adult general population." "Quantity is important in supplementation," said George Cvetkovski, founder and CEO of the nutraceutical ...

Vitamin D supplements are mostly recommended when you’re deficient. In the U.S., 35% of adults are vitamin D deficient, ...

Vitamin D is a critical nutrient that impacts countless areas of life. From bone and teeth support to muscle function, reducing inflammation, and regulating calcium absorption, it provides ...

New research suggests that vitamin D supplements may slow biological aging by protecting telomeres, the DNA caps linked to ...

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when ...

Often called the "sunshine vitamin," Vitamin D plays a far more critical role in our health than just aiding bone strength.

Too much vitamin C can lead to kidney stones, iron overload, gut issues, and skin damage. Here's how to protect yourself from ...