Help support deep, restorative sleep with Bluebonnet Nutrition EarthSweet Chewables Melatonin. Melatonin helps regulate the body's sleep/wake cycle, which is vital for promoting healthy, consistent sleep patterns. Each serving delivers 5 mg of melatonin. Free of yeast, gluten, barley, rice, sodium, milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans.