Vitamin D is essential for bone health and immune function. One of these best vitamin D supplements can help if you're not ...

The evidence suggests that calcium, vitamin D, or calcium plus vitamin D supplementation has no effect on bone mineral density at any site (hip or spine) in healthy premenopausal women. Osteoporosis ...

For many Americans, especially those over 60 or living in less sunny areas, supplements may still be necessary—but sunlight should be the foundation of your vitamin D strategy whenever possible.

A recent Harvard study reveals that vitamin D supplements may slow biological aging by protecting telomeres, offering potential anti-aging benefits.

Vitamin D supplements are popular for bone health and immunity. When is the best time to take vitamin D? Here's how to take it properly, according to experts.

Vitamin D is crucial for bone health and immune function. When is the best time to take vitamin D supplements? Here's how to take vitamin D safely, according to experts.

Find patient medical information for calcium carbonate on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

At typical supplement doses, vitamin K is generally safe. Toxicity from overdose is rare. Vitamin K supplements should be used with caution in those that take medications such as vitamin K antagonists ...

Experts share how nutrition can strengthen bones with foods like tofu, prunes and yogurt, which are rich in calcium, vitamin D and other vital nutrients.

A new study suggests that vitamin D supplements may help preserve the length of telomeres, which "could mean a 3-year decrease in aging." ...

Vitamin D supplements slowed the shortening of telomeres, according to a study published in The American Journal of Clinical Nutrition.