Jamieson's Melatonin + Immune Support Gummies are formulated to improve sleep quality and support a healthy immune system. Each delicious mixed berry gummy provides Vitamin C, D, Zinc and Elderberry. 5 mg of Melatonin per gummy to support better sleep With Vitamin C, Vitamin D3, Zinc and Elderberry to support your immune system. Helps increase the total sleep time in people suffering from sleep restriction or an altered sleep schedule (shift work or jet lag). Source of antioxidants for the maintenance of good health. Delicious natural mixed-berry flavour gummies.