Vitamin D works with calcium to keep bones strong and healthy. It’s also involved in immune and brain function. Only a few ...

Vitamin D deficiency, affecting 1 in 4 US adults, can cause subtle symptoms like bone and joint pain, muscle weakness, teeth ...

Keep in mind that it’s important not to consume more than 4,000 IU of vitamin D without a doctor’s permission, as it exceeds the safe upper ... advised to take vitamin D supplements in an ...

Below, registered dietitians and a doctor explain the shelf-life of vitamins and how it varies, plus how to store your ...

It's that time of year when your body produces less vitamin D. Sunshine is the main source of vitamin D, and we need it to keep our bones and muscles strong. Many people take supplements to meet the ...

Sunshine is the main source of vitamin D, and we need it to keep our bones and muscles strong. Many people take supplements to meet the shortfall, but they're not a magic bullet of protection.

What’s the average shelf-life of vitamins? First of all, it’s important to note that the Food and Drug Administration (FDA) does not review or approve dietary supplements for how safe or ...