Melatonin PR 3mg - 60 tabsMelatonin P. R. contains 3 mg of high purity melatonin in a prolonged release tablet, formulated to slowly break down and release in the small intestine. Supplement Facts Amount Per Serving Serving Size 1 Tablet Melatonin3 mg Other ingredients: Dicalcium phosphate, microcrystalline cellulose, ethylcellulose, stearic acid, vegetable stearate, coating (hypromellose, glycerin) and silica Suggested Usage: 1 tablet, 1 hour before bedtime