I don't think that's been substantiated. Legumes, potatoes, tomatoes and some fruit are lectin-rich. Blue-zones diets tend to lean more heavily on legumes. Ther

I don't think that's been substantiated. Legumes, potatoes, tomatoes and some fruit are lectin-rich. Blue-zones diets tend to lean more heavily on legumes. There's the whole gluten thing for wheat and others but it's unclear to me how much of an impact that may have.