Turkey Tails are packed with medicinal compounds that can help strengthen the immune system. PSK is a powerful polysaccharide that is widely studied for its ability to slow the growth of tumors and help repair cell damage. Another compound, is PSP which acts as a prebiotic by promoting the growth of beneficial bacteria in the GI biome. Phenols and flavonoids help protect in the GI biome. Phenols and flavonoids help protect against oxidative stress and inflammation.