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 .
Arthritis. Several researchers have reported excellent results in arthritic patients using niacinamide. While niacin opens up the blood vessels near the surface and causes a flushing sensation, niacinamide only opens up the deep blood vessels like those surrounding the joints. In cases of moderate arthritis, outstanding results have been produced by taking 1,000 to 1,500 mg a day.