Melatonin is produced in the pineal gland and the gastrointestinal tract, making it 400 times the amount of melatonin in the pineal gland. Melatonin for anxiety sleep and its antioxidant properties is typically consumed between 0.3mg (300 mcg) to 10mg. However, starting with a lower dosage is critical in eliminating other factors and nutrient deficiencies...