Niacinamide (Vitamin B3 ) 

1, Energy metabolism: Vitamin B3 is involved in the key enzyme system of energy metabolism in the body, helping to convert carbohydrates, fats and proteins in food into energy. It plays a key role in assisting the metabolism of glucose, fat and amino acids.

2, maintain skin health: vitamin B3 is good for skin health. It can promote the regeneration of skin cells and maintain the normal function of skin. Therefore, vitamin B3 is used in some skin care products to improve skin texture, reduce inflammation and moisturize.

3. Lowering blood lipids: Vitamin B3 helps regulate blood lipid levels, especially lowering triglycerides and raising high density lipoprotein (HDL) cholesterol levels, which is beneficial to cardiovascular health.

4, Treatment of diabetic insulin resistance: A derivative of vitamin B3, niacinamide (a form of niacin), is used to treat diabetic insulin resistance, helping to improve insulin sensitivity.