Value Per Nutrient Food 1.00 mcg 100 grams Vitamin D2 (ergocalciferol) Soymilk, chocolate, nonfat, with added calcium, vitamins A and D 1.00 mcg 100 grams Vitamin D2 (ergocalciferol) Soymilk (All flavors), lowfat, with added calcium, vitamins A and D 0.70 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, oyster, raw 0.70 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, shiitake, cooked, with salt 0.70 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, shiitake, cooked, without salt 0.50 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, shiitake, stir-fried 0.40 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, shiitake, raw 0.30 mcg 100 grams Vitamin D2 (ergocalciferol) Mushrooms, portabella, raw