![]() As a supplement, it doesn't treat cardiovascular conditions, but it does hold promise for treating skin 3 conditions, arthritis 4, and early-onset type 1 diabetes. It's the form that typically appears in multivitamins and fortified foods, like cereal, since it does not cause flushing. Nicotinamide (aka niacinamide): This form of vitamin B3 is also readily available from food. Our bodies can convert nicotinic acid into nicotinamide. It also promotes circulation, and supplemental doses can cause what's called "niacin flush," skin that becomes red and itchy. As a supplement, it's frequently used to manage high cholesterol and heart disease, and it often just goes by the name niacin. Nicotinic acid: This form of vitamin B3 is readily available from food. While all three forms of vitamin B3 share common traits, each has a slightly different effect on the body and serves a different role when taken as a supplement: It also plays an important role in protecting cells all over the body from age-related damage and decline in function. NAD+ is found in all living cells, and it plays a vital role in energy metabolism and maintaining proper cell functioning-particularly the functioning of our mitochondria, the power plants in our cells that turn food and oxygen into energy. ![]() ![]() NR, on the other hand, is quite scarce in food and only recently started being sold as a supplement.Īll three forms of vitamin B3 are converted to an important coenzyme called NAD+ in the body. Of these, nicotinic acid and nicotinamide are the main forms of vitamin B3 or niacin-they're both widely available from the same food sources and sold as dietary supplements. You'll find that "vitamin B3" and "niacin" are often used interchangeably to refer to these compounds. Niacin is actually a blanket term for three different compounds 2 that have similar activity in the body: nicotinic acid, nicotinamide (aka niacinamide), and nicotinamide riboside (NR). ![]()
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