niacin benefits skin cancer
shows nicotinamide (also known as niacinamide) taken twice ... ...shows nicotinamide (also known as niacinamide) taken twice a day lowers skin cancer risk by 23%. Effects were ...same benefit as nicotinamide or niacinamide in reducing skin cancer incidence.
High doses (50 mg or more) of niacin can cause side effects. The most common side effect is called niacin flush, which is a burning, tingling sensation in the face and chest, and red or flushed skin. Taking an aspirin 30 minutes prior to the niacin may help reduce this symptom.