Okay, I wonder, parmesan has a lot of tryptophan, more than beef, and Ray recommends eating parmesan?
Tryptophan is directly related to serotonin, but it is everywhere, what protein is left to eat, milk and eggs are rich and they are tryptophan too.
Tryptophan is directly related to serotonin, but it is everywhere, what protein is left to eat, milk and eggs are rich and they are tryptophan too.