Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, the disease affects children—making it hard for their bodies to absorb ...

Vitamins? Minerals? Botanicals? Extracts? Choosing the right supplements can be confusing. An expert offers five tips to help ...

The buzzy supplement is beloved by celebrities and starting to show up in skin care. But what can it actually do?