Medically reviewed by Lindsay Cook, PharmD Key Takeaways Vitamin D3 increases calcium absorption, while vitamin K2 activates ...

The body absorbs vitamin K2 best when you take it with a meal that contains fat. Vitamin K2 supports bone strength and heart health by helping your body use calcium correctly. There is no proven best ...

DEAR DR. ROACH: I’m a 68-year-old female who is in good health. I currently take vitamin D3. The only prescription that I’m on is rosuvastatin. It has been brought to my attention by my cousin, who is ...

Dear Dr. Roach: I'm a 68-year-old female who is in good health. I currently take vitamin D3. The only prescription that I'm on is rosuvastatin. It has been brought to my attention by my cousin, who is ...

Oftentimes, vitamin C (for your immune system) and vitamin B (for nerve health and energy) get the attention. But a dietitian says vitamin K, specifically vitamin K2, may be worth adding to your ...

Some supplements and medications come with specific instructions on when and how to take them, while others you simply need to remember to take every day. But which category does vitamin D fall into?

Essential vitamins are different from essential minerals such as iron, calcium, magnesium, and phosphorus. Over-the-counter supplements typically include both kinds of micronutrients, but the way they ...

Vitamin D plays a crucial role in bone health. FotoHelin/ Shutterstock When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There’s a fundamental reason for this ...

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There's a fundamental reason for this seasonal fatigue: low levels of vitamin D—the "sunshine vitamin." ...