the ingredient that gives it the 'meat' 'blood' taste is from genetically modified yeast furthermore, more than 40 other proteins, which are byproducts of the GMO yeast process, which make up part of the soy leghemoglobin product have never been tested on human beings and their safety has never been established. As reported by the NY times: https://www.nytimes.com/2017/08/08/business/impossible-burge...