Food AMushroom, common, rawServing 100 g (100 g) 1 mushroom (extra large/giant) (165 g) 1 mushroom (large) (75 g) 1 mushroom (medium) (35 g) 1 mushroom (small) (20 g) 1 mushroom (very small) (12 g) 1 slice (5.8 g)