Doctors explain why vitamin D supplements may not work properly if your kidneys are unhealthy, and how kidney function ...

Vitamin C is vital to immune function and the maintenance of bone, skin, teeth, and joints. Learn more about its wide range of health benefits.

Foods high in vitamin A include organ meats, sweet potatoes, carrots, eggs, fish, and dairy products. You can also find vitamin A in dietary supplements. Vitamin A plays a role in your vision, bone ...

Vitamin D3 and vitamin K2 work together to support bone strength, improve calcium use, and help maintain healthy bone density.

Lower levels of vitamin D metabolites and periostin signal an increased cardiovascular risk in older adults, and the active ...