ViraPro Kids delivers time-tested elderberry (Sambucus nigra) plus key vitamins and minerals well known for supporting optimal immune health. It contains 7 Powerhouse Ingredients. Clinically studied Haschberg Austrian Elderberry comes from berries that are standardized for anthocyanins, compounds that support strong immune function. Vitamins A, C, D3, and E are key antioxidant vitamins, critical for overall health and wellness. Zinc and Selenium are required daily minerals to support optimal health. Zinc supports the thymus gland, the master gland of the immune system, while selenium is especially important for maintaining a healthy immune defense.