Mushrooms offer health benefits beyond their taste. Exposing them to sunlight creates a natural vitamin D source. UVB rays ...

Coming in as the most vitamin A–rich food, three ounces of pan-fried beef liver contain 6,582 micrograms (mcg) of the vitamin ...

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 ...

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 ...

The secret to getting vitamin C serums to last longer lies in adding ferulic acid. Here, experts and editors reveal the 10 ...

Low-normal B12 in older adults was tied to slower processing, cognitive decline, and brain damage. Scientists warn current requirements may be too low.

A new study finds that vitamin B3 (nicotinamide) at 500 mg twice daily reduces basal cell carcinoma and squamous cell carcinoma risk in veterans over a 25-year period.

Increasing blood vitamin D levels with high-dose supplementation shows promise for people with first symptoms suggestive of ...

Dermatologists often recommend nicotinamide — a form of Vitamin B3 — following skin cancer. A study of nearly 34,000 veterans ...

The expert warned: " Taking too much vitamin D long term can lead to hypercalcemia, an excess of calcium in the body, which can cause problems with your heart, kidneys and bones. 4,000 IU or 100 mcg ...

"Taking too much vitamin D long term can lead to hypercalcemia, an excess of calcium in the body, which can cause problems ...

In fact, multiple one study have found that niacinamide has a calming effect on the skin, reducing inflammation, which is a ...