his claims?
He's being called out for it by the medical community.
He is a scammer who pushes a fad lectin free diet.
What does the science say?
"
In many large population studies, lectin-containing foods like legumes, whole grains, and nuts are associated with lower rates of cardiovascular disease, weight loss, and type 2 diabetes. [8-11] These foods are rich sources of B vitamins, protein, fiber, and minerals, and healthy fats."
https://www.hsph.harvard.edu/nutritionsource/anti-nutrients/lectins/