Espadiet Selenium + Reishi is a nutritional supplement that combines selenium and reishi to provide health benefits. Selenium is an essential mineral that acts as an antioxidant, strengthens the immune system, and contributes to normal thyroid function. Reishi, on the other hand, is a mushroom with adaptogenic properties that helps reduce stress, improve sleep quality, and strengthen the immune system. This product can be used to support a stronger immune system, combat oxidative stress, and promote overall good health