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Niacin, also known as nicotinic acid, is an organic compound and a vitamer of vitamin B 3, an essential human nutrient. [ 3] It is produced by plants and animals from the amino acid tryptophan. [ 4] Niacin is obtained in the diet from a variety of whole and processed foods, with highest contents in fortified packaged foods, meat, poultry, red ...
Vitamin B3, colloquially referred to as niacin, is a vitamin family that includes three forms, or vitamers: niacin (nicotinic acid), nicotinamide (niacinamide), and nicotinamide riboside. [ 1] All three forms of vitamin B 3 are converted within the body to nicotinamide adenine dinucleotide (NAD). [ 1] NAD is required for human life and people ...
B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. [ 1][ 2] They are a chemically diverse class of compounds. [ 1] Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred to by B-number or by chemical name ...
“Niacin is a micronutrient that we have to get from outside sources, such as supplements and food,” explains Scott Keatley, R.D., co-owner of Keatley Medical Nutrition Therapy.
Nicotinamide. Niacinamide or nicotinamide is a form of vitamin B 3 found in food and used as a dietary supplement and medication. [ 2][ 3][ 4] As a supplement, it is used orally (swallowed by mouth) to prevent and treat pellagra (niacin deficiency). [ 3] While nicotinic acid (niacin) may be used for this purpose, niacinamide has the benefit of ...
Infobox references. Nicotinamide adenine dinucleotide ( NAD) is a coenzyme central to metabolism. [ 3] Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide.
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