10ml liquid culture syringe
   Blue oyster mushrooms (Pleurotus ostreatus var. columbinus) are a type of oyster mushroom that are known for their fan-like caps and cool blue-gray color. A good source of fiber, vitamins, minerals, and other beneficial compounds, including B vitamins, potassium, zinc, selenium, phosphorus, and iron. They may also promote heart and immune system health, encourage healthy blood sugar control, and provide antioxidant and anti-inflammatory effects.