They come from East Asia, very nutritious mushrooms with properties that make them one of the most popular in the diet around the world. They are good for supporting heart rate, cancer prevention, and improving immunity. They can be found in stores as fresh, dried or as a dietary supplement. Shiitake are good for eating because they are low in calories, rich in Vitamin B, fiber and minerals.
They are also rich in amino acids, polysaccharides, as well as lipids, some of which contribute to lowering cholesterol and boosting immunity. Most of them grow in Japan about 83% but there are also in the US, Canada, Singapore and China. They contribute to bone strengthening, and due to the presence of compounds that have antibacterial properties, scientists are considering using shiitake as antibiotics, since bacteria become resistant to known pharmaceutical antibiotics.