Sleep Support. 10 mg Per Serving. Naturally Sourced Flavors & Color. Gluten Free. Vegetarian. Dietary Supplement. No Added Yeast. 100% Vegetarian. Guaranteed Quality. Laboratory Tested. Trusted Quality for Over 30 Years. 21st Century® VitaJoy® Melatonin Gummies work in harmony with your natural sleep cycle to promote relaxation and sleep. These gummies with naturally sourced strawberry flavor taste great too! 21st Century Extra Strength Melatonin 10 mg has twice the amount of melatonin as in our 5 mg product.