Typically, people with osteoporosis should maintain a serum 25-hydroxyvitamin D level of 30 ng/mL and supplement daily with 1 ...

Vitamin D supplements are generally in your system after 4 to 12 weeks. Learn more about the importance of consistent ...

Vitamin D is crucial for bone health and immunity, obtainable through sunlight and diet. Supplements, however, can lead to ...

Read the latest research on the importance of vitamin D for health, symptoms of vitamin D deficiency, suggested dosages and more.

Vitamin D is important for bone and cardiovascular health, as well as for the immune system and muscle function.

Calcium is a mineral that’s crucial for many bodily processes. Here are the four best calcium supplements, according to registered dietitians.

Seasonal affective disorder getting you down? It’s easy to get into a slump when the rain pours all day and the sun sets in the early afternoon. Sun, are you out there? If you’re feeling especially ...