Supports Natural Immune Function Whole Life-Cycle Full Spectrum Mushrooms Dietary Supplement HealthGuard Immune is rich in beta-glucans and provides the complete phytochemical package found in the various life cycle stages of 10 of the world's most treasured immune-supporting mushrooms. This full spectrum nutrition makes HealthGuard Immune far superior to simple extracts or single life stage mushroom products. It is simply the finest immune-enhancing mushroom formula available anywhere.Pure Essence