XYMOGEN Melatonin CR - Time Release Melatonin 5mg Supplement with Vitamin B6 - Nighttime + Immune Support - Biphasic Delivery Releases Quickly Then Steadily (180 Melatonin Extended Release Tablets)Brand: XYMOGEN Features: A vegetarian melatonin time release formula with a biphasic delivery system that releases melatonin quickly and then steadily.* Includes 5mg melatonin per tablet, plus b6 vitamins and calcium dicalcium phosphate. Melatonin is naturally produced in the pineal gland in response to changes in light exposure; it helps promote healthy rest patterns as well as antioxidant and acts as an immune support supplement.* Melatonin CR