Sodium carbonate (also known as washing soda, soda ash and soda crystals), Na 2 CO 3, is the water-soluble sodium salt of carbonic acid.
7. Improves Skin Function. Niacin helps protect skin cells from sun damage, whether it's used orally or applied to the skin in lotions . And recent research suggests it may help prevent some types of skin cancer . A 2015 study found that taking 500 mg of nicotinamide (a form of niacin) twice daily reduced rates of non-melanoma skin cancer among people at a high risk of skin cancer .
B-complex vitamins are needed for a healthy liver, healthy skin, hair, and eyes, and to help the nervous system function properly. Niacin also helps the body make various sex and stress-related hormones in the adrenal glands and other parts of the body. Niacin helps improve circulation, and it has been shown to suppress inflammation.