Immune Hero Respiratory Immune Health Support Powerful Amino Acids, Minerals & Vitamins. Helps Stimulate Immune Function With 1000 mg NAC Per Serving. Essential elements Immune hero is an expert-designed formula for a powerful immune boost, particularly when it comes to respiratory health, such as cough-related chest discomfort and sniffles. Immune hero can help stimulate the immune system to action, strengthen your natural immune defenses, and maintain proper respiratory immune health. With a powerful set of ingredients working together—including NAC, Zinc, Vitamin C, Vitamin D3, and Vitamin E—Immune hero is here to give you the immune boost you need every day of the year. This is due to the numerous benefits they can have, such as their antioxidant effects in helping minimize cellular damage from free radicals in the body.