Many nutrients can be found in medicinal mushrooms. They provide basic nourishment to your body. Polysaccharides, flavonoids, terpenes, phenolic compounds, and alkaloids are among the bioactive substances found in them. In particular, the immune-stimulating and prebiotic effects of -glucan, a polysaccharide found in mushrooms, have been examined. Chaga (Inonotus obliquus), Cordyceps (Ophiocordyceps Sinensis), Lion’s Mane (Hericium Erinaceus), Reishi (Ganoderma lingzhi), Turkey Tail (Coriolus Versicolor), Shiitake (Lentinula edodes), Maitake (Grifola frondosa), and Oyster Mushroom are among the most well-known and studied.