Best Immunity Booster in India- GXN Multivitamins Supplements GXN Vitaflex multivitamin is an advanced multivitamin tablet which is composed of several fine quality ingredients that helps it build a strong health foundation for optimal performance. Prepare yourself strong enough to defend the attack of deadly viruses. https://www.gogxn.com/product/workout-essentials/gxn-vitaflex-multivitamins/