Gnc Melatonin Timed Release Tablet 60 is used for regulating your body's sleep-wake cycle naturally. Each tablet contains 3mg of melatonin, a hormone the pineal gland produces which helps regulate sleep patterns. Taking it before bedtime helps promote restful and consistent sleep and it is ideal for those dealing with irregular sleep cycles, jet lag or sleep disturbances due to stress or other factors. The formula also contains Vitamin B6, crucial in maintaining a healthy nervous system. The timed-release nature of these tablets ensures melatonin is steadily released into your body throughout the night, helping support a natural circadian rhythm. These vegetarian tablets are easy to take and may help improve the quality of your sleep without causing grogginess the next day.