Immune System Support Specialized Blend of Mushrooms Plus Astragalus Root Extract Non-GMO A Dietary Supplement Vegetarian/Vegan Kosher General Health Family Owned Since 1968 GMP Quality Assured Halal NOW Immune Renew has been delivers the natural nutrient profile found in genuine whole foods. NOW Immune Renew has been specifically formulated to support the immune system with standardized astragalus extract and a specialized mushroom blend. Our specialized blend of eight mushrooms has been optimized for the characteristic mushroom polysaccharides known as beta-glucans. Mushroom beta-glucans have been long respected and scientifically studied for their immune system supporting properties. Astragalus has been included to complement our mushroom blend due to its ability to support a healthy immune system response.