Your dopamine is all made from dietary tyrosine or recycled. Your serotonin is mostly all made from dietary tryptophan, or recycled. Your fat-metabolizing enz

Your dopamine is all made from dietary tyrosine or recycled. Your serotonin is mostly all made from dietary tryptophan, or recycled. Your fat-metabolizing enzymes rely on dietary threonine. Your collagen and extracellular matrix comes from glycine+lysine. And so forth. So... of course.