Immune Support from Bioavailable Nutritional Yeast is formulated to boost the immune system rich in Zinc, Selenium, Vitamin B-B12 complex and Vitamin D Zinc contributes to the normal functioning of the immune system. Contributes to the protection of cells against oxidative damage. Selenium contributes to the normal functioning of the immune system and contributes to the protection of cells against oxidative damage. Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus, to the normal functioning of the immune system, and to the normal absorption and utilization of calcium and phosphorus. Vitamin B12 contributes to the normal functioning of the immune system 3 tablets a day, before food. Take the tablet and swallow it with plenty of water. Do not exceed the recommended daily dose. It should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. The information provided is not intended to replace the advice of health professionals. For any query related to the diagnosis and/or treatment of your health, consult your doctor. Keep out of the reach and sight of children; and in a dry, cool place protected from light.