«Plant Lectins», Dr William Rawls argues that «anyone with any sort of digestive issue should be paying close attention to lectins since they're
found in so many foods» then he lists the problematic ones to be Grains, Beans / legumes, especially
soybeans, kidney beans,
black beans, peanuts, Tree nuts, such as almonds, pecans, walnuts, cashews, and pistachios concluding that «Fish, eggs, and poultry don't contain lectins or other similarly damaging substances, so they're the best source of protein.»