Natural Factors Melatonin 10 mg is a natural sleep aid that helps reset the sleep-wake cycle. Each bottle contains 90 sublingual tablets, with each tablet providing 10 mg of melatonin. By taking one tablet before bedtime, you can promote a restful night's sleep and wake up feeling refreshed. Natural Factors Melatonin 10 mg is a trusted choice for those looking for a natural solution to improve their sleep quality.