Now with Zinc & Ester-C for immune support Puts back what stress takes out. Stress is a thief. It robs your body of essential nutrients that are vital to a host of bodily functions. This can weaken your immune system, impair memory and decision-making, accelerate aging and deplete energy. Stresstabs Advanced Formula is designed to replace the key nutrients that you need to defend your body against the effects of stress In addition to high levels of B-Vitamins, Antioxidants, and Zinc, it features Ester-C, the most advanced form available of this immune support ingredient - so that your body is well protected Stresstabs provides a unique combination of ingredients specially formulated to help you stay healthy.