What is nicotinamide?
Nicotinamide is a form of vitamin B3 (niacin), one of eight B vitamins your body needs to stay healthy. Vitamin B3 plays a vital role in converting the food you eat into usable energy and helps your body's cells perform important chemical reactions. Because it is water-soluble, your body does not store this vitamin, This is why you need to take niacin or niacinamide every day. Vitamin B3 is typically found as niacinamide in animal products like meat and poultry, and as niacin in plant foods like nuts, seeds, and green vegetables.
Many refined grain products, including cereal, are also fortified with niacinamide. Your body also makes vitamin B3 from tryptophan, an amino acid found in most protein foods. However, the conversion of tryptophan to vitamin B3 is inefficient as 60 mg of tryptophan is required to make 1 mg of vitamin B3. Historically, vitamin B3 was known as vitamin PP, an acronym for pellagra prevention. That’s because a lack of vitamin B3 or tryptophan can lead to a disease called pellagra, which is characterized by the four Ds – diarrhea, dermatitis, dementia and, if left untreated, death. Pellagra is rare in developed countries such as North America and Europe, but it is still common in some developing countries. Both niacin and niacinamide can treat pellagra, but niacinamide is preferred because it has fewer side effects, such as skin flushing.
Benefits and uses
In addition to being the preferred form of niacin for treating pellagra, niacinamide has several other health benefits and uses.
Helpful for certain skin conditions
May help prevent melanoma
Useful for chronic kidney disease
Chronic kidney disease is the gradual loss of kidney function, which affects your body's ability to clean and filter blood and control blood pressure. This can lead to a buildup of harmful chemicals, such as phosphates, in the blood. Research suggests that nicotinamide may help lower phosphate levels in people with renal insufficiency by preventing its absorption. Phosphate levels are usually controlled with diet, medication, or dialysis, depending on the severity of the buildup.
May slow progression of type 1 diabetes
Type 1 diabetes is a disease in which your body attacks and destroys the insulin-producing beta cells in the pancreas. It has been suggested that nicotinamide protects and preserves beta cells, thereby preventing or delaying the onset of type 1 diabetes in high-risk individuals. However, research does not support the idea that nicotinamide can prevent the onset of type 1 diabetes, although it can help slow its progression by preserving beta cell function. While promising, more research is needed before nicotinamide supplementation can be recommended as an intervention for type 1 diabetes.
Supplementary types and forms
Side effects
Summary
Nicotinamide is a form of vitamin B3 (niacin) that plays an important role in energy metabolism and cellular health. It may provide benefits related to skin care and skin cancer, as well as chronic kidney disease and type 1 diabetes. Niacinamide is generally considered safe, with few side effects at appropriate doses. It is available as a dietary supplement and is a common ingredient in skin care products. However, it's best to talk to your healthcare provider before trying niacinamide.