Shiitake mushrooms can help strengthen bones Mushrooms are the only natural plant source of vitamin D. Your body needs vitamin D to build strong bones, but very few foods contain this important nutrient. The vitamin D levels of mushrooms vary depending on how they are grown. Shiitake mushrooms are low in calories. They also provide a good amount of fiber, as well as B vitamins and some minerals. The nutrients in 4 dried shiitake mushrooms (15 grams) are: Calories: 44 PRODUCT DESCRIPTION: Ingredients: Dried shiitake mushroom Place of Origin: Vietnam Shelf Life: 12 months Manufacturer: VIET DELTA Size: Below2cm, 2-3cm, 3-4cm, 4-5cm ,5-6cm up Color: Nature dark brown We could processing and packing as customer request. We hope can cooperate with your business.