Vitamin B3, also known as Niacinamide, is a water-soluble vitamin that plays an important role in the production of energy from food. It helps release energy from carbohydrates, fats and proteins for use by the body. It is a precursor to nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP), collectively known as coenzymes involved in redox reactions, which are essential for cellular metabolism. Niacinamide supplement, or Niacinamide 500 mg, supports skin health.* It works by increasing the production of ceramides, which are essential for keeping your skin looking and feeling healthy.* Niacinamide, also available in niacinamide pills, also helps maintain the integrity of your skins barrier function, which keeps moisture in and environmental factors out.* In addition to its many benefits for your overall health, Vitamin B3 is also commonly used as a sleep aid.* Niacinamide, a B3 vitamins, plays a vital role in the body's production of serotonin and dopamine, which help regulate mood and sleep cycles.* And, it can help maintain your bodys antioxidant defenses against free radicals and helps maintain healthy cholesterol levels already in normal range in conjunction with diet and exercise.* Lastly, this niacinamide supplement is in powder form and does not contain any fillers or additives. In addition, it is also available capsule form, niacinamide pills and it is in 100 & 300 counts.