PureDefense is formulated to boost immunity with targeted nutrients and antioxidants.• Contains vitamin C to support the immune system• Contains zinc which contributes to prevent viral infections• Potent antioxidant mix helps to fight off free radicals• Contains elderberry to prevent and ease flu symptoms• Contains vitamin D to help improve resistance to infections• Can help lower the inflammatory responseSupporting the immune system is important for overall health and can be particularly beneficial during the winter months. Supplementing vitamin D when we do not get exposure to sunshine is recommended to help activate the immune system and keep it alert against pathogens. The addition of EpiCor, a dried yeast complex, further encourages the immune response, and stimulates the production of infection-fighting white blood cells. Vitamin C is well known for its ability to fight off viruses, such as the common cold.Suggested use is 2 capsules twice daily.