FitSmart’s ingredients are carefully selected and include niacin (vitamin B3), raspberry fruit extract, green tea leaf extract, guarana seed extract and N-acetyl-L-carnitine. Each of these ingredients contributes to the unique formula, which aims to support your health and well-being. From niacin to boost energy metabolism to green tea extract as a source of antioxidants, FitSmart offers a holistic solution to your nutritional needs.