What is Happen to Your Body When You Eat Peanut Butter?

“Eating peanut butter may help you fight the effects of stress,” says Jacobson. PB contains beta-sitosterol, a plant sterol. In studies involving endurance athletes, beta-sitosterol was shown to normalize high cortisol levels and bring them back into balance with other hormones during times of stress. Beta-sitosterol can also help improve immunity.