Vitamin
Vitamin B3
Vitamin B3, or niacin, is an essential water-soluble vitamin that includes nicotinic acid and nicotinamide. The body can also make it from tryptophan.
Also listed as Niacin, B3
What does a serving provide?
NIH food-table examples: grilled chicken breast, 3 oz (about 85 g), 10.3 mg; cooked sockeye salmon, 3 oz, 8.6 mg; dry-roasted peanuts, 1 oz (about 28 g), 4.2 mg. These figures exclude niacin made from tryptophan. 1
How much is needed each day?
For adults aged 25–50, DGE recommends 15 mg niacin equivalents daily for men and 12 mg for women. One equivalent represents 1 mg niacin or 60 mg tryptophan; these are dietary reference values, not supplement doses. 2