Chromium is an essential mineral element with only one known role in the human body, which is in potentiating insulin receptors Tyrosine Kisase by which it helps body regulate blood sugar levels. Each vegetable capsule of Solgar Chromium Polynicotinate 200mcg 100 Veggie Caps supplies 2 mg of Niacin and will not cause skin flushing or other side effects associated with high does of Niacin.