Oysters are one of the most versatile mushrooms. They are easy to cultivate and common all over the world. They're extremely low in calories but contain a good chunk of protein, fiber, niacin and riboflavin. In addition to the nutrients listed above, oyster mushrooms also contain a small amount of magnesium, zinc and selenium.

Oysters are one of the most versatile mushrooms. They are easy to cultivate and common all over the world. They're extremely low in calories but contain a good chunk of protein, fiber, niacin and riboflavin. In addition to the nutrients listed above, oyster mushrooms also contain a small amount of magnesium, zinc and selenium.