Yahreah Skin’s Mushroom Immune Booster is formulated to support immune health, antioxidant activity, balanced estrogen levels, antiviral support, antibacterial activity, reduced stress, improved exercise performance, and blood sugar regulation. Our product is synthesized using the latest scientific research and formulated with high quality ingredients. Our formula is third-party independently tested for heavy metals and impurities, made in the USA,GMP-certified, and produced in an FDA-registered facility. 1% of the supplements on the market can match our world-class standards.