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

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

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 ...

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.

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

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

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 ...

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

"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 ...