They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

Some studies have found that multivitamins don’t actually improve health outcomes, but certain groups might benefit.

Vitamin C isn’t just vital for a strong immune system—it also supports healthy, glowing skin, collagen production, and ...

Remembering to take your vitamins can be difficult in the midst of a busy day so it makes sense you might want to get in the ...

Scientists compared vitamin D2 and D3 supplements in new studies. Results show D3 may boost immunity more than D2.

Most healthy adults will need to take in anywhere from 75 to 90 milligrams of vitamin C a day, according to the National ...

A new study shows that vitamin D2 may reduce vitamin D3 levels, suggesting D3 is the more effective supplement for immune and overall health. A new study conducted by the University of Surrey, the ...

A new study finds that vitamin B3 (nicotinamide) at 500 mg twice daily reduces basal cell carcinoma and squamous cell ...