What is the nutritional breakdown of mushrooms in general?

Mushrooms are about 25% protein, 58% carbohydrates, and 3% fat. The rest is vitamins and minerals. Do you test for heavy metals? Yes, we require all our whole superfood nutritional supplements to be tested during production and bottling for heavy metals. We follow the American Health Products Association’s (AHPA) guidelines for heavy metals in compliance with CA Prop 65.