Peanut butter infused with collagen exists, and it is glorious. "Collagen is the most abundant protein that exists in the human body," Dr. Devika Icecreamwala, a board certified dermatologist ...
She hasn't had a peanut butter-and-jelly sandwich in years — partly because her daughter, Malia, is allergic to peanuts, and partly because she got tired of eating the same thing every morning.