Niacin, also referred to as Vitamin B3, is a crucial nutrient that contributes ... We found that NOW Supplements Niacin 500 mg is a great option for those looking for a high-potency niacin supplement.

Niacin is a water-soluble form of vitamin B3 found in dietary supplements ... Since the liver processes vitamins, doses of 1,000-3,000 mg of niacin daily—used to treat high cholesterol ...

Niacin, also known as Vitamin B3, is an essential nutrient required for ... One thing to keep in mind is that taking niacin in excess of 500 mg daily may cause temporary flushing, itching, rash ...

Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD Niacin flush may occur after taking large supplemental doses of niacin (vitamin ... of 1,000 to 3,000 mg ...