Immune Guard Beta Glucans - Beta Glucans 1,3/1,6 with Vitamins D3 & C, Selenium and Zinc Beta glucans are naturally occurring polysaccharides found in the cell walls of certain mushrooms and yeasts. They are often recommended to prepare the immune system for any potential challenges. Lamberts®Immune-Guard Beta Glucans is a comprehensive dietary supplement combining the potent effects of beta glucans 1,3/1,6, derived from the cell wall of Sacchromyces Cerevisiae. with essential vitamins and minerals which can contribute to normal immune function: vitamins C and D, selenium and zinc. This formula provides a synergistic approach to supporting your body’s natural defences. It is suitable for those who exercise regularly and need additional immune support, people leading hectic lives looking for a convenient way to maintain their health and anyone wanting to bolster their immune system, especially during seasonal changes or times of increased stress.