Oyster mushrooms, or Pleurotus species, are a group of gilled mushrooms. While mushrooms are classified as fungi, which are technically different from plants, they are a great addition to any meat-free diet. Oyster mushrooms are a fantastic addition to a gluten-free diet, help maintain a strong immune system, and provide a great addition to low-calorie, nutrient-dense diets. Due to their positive health benefits, oyster mushrooms have remained a vital element of traditional food for ages as a rich source of folk medicine and nutrition. Many experts believe that mushrooms offer antiviral, wound healing, immunomodulating, antioxidant, anti-hypercholesterolemia, and anti-diabetic properties. Eleven potential health benefits of oyster mushrooms include: Prevent osteoporosis and arthritis Boost vitamin D levels Help maintain blood pressure Lower bad cholesterol levels May prevent anemia Rich in antioxidants Provide protection against cancer Boost bone mineral density Regulate insulin levels in the body Low in calories and help lose weight Boost the immune system by detoxifying the body