Boost your immune system with Kyolic Immuni-Shield Formula 103 - a synergistic combination of Aged Garlic Extract blended with an impressive list of immune boosters and antioxidants: Vitamin C, Power Mushroom Complex (maitake, poria cocos, reishi, shitake, agaricus), Astragalus Root, Oregano Leaf, Olive leaf. Each of these ingredients have been proven to enhance various essential immune factors such as macrophages, T-lymphocytes, natural killer-cell activities and anti-body generation. Together, the sum of their benefits may be the answer to optimizing your fight against the common cold and allergies. FREE OF: sodium, yeast, dairy, preservatives, sugar, gluten, artificial colors or flavors. Recommended Dosage: Adults: Take 2 capsules twice daily. For prolonged use, consult a health care practitioner.