Peanuts are also a source of arginine, an amino acid that helps relax blood vessels and improve circulation, and potassium, which supports healthy blood pressure levels. In one study, people who ate ...

"Peanut butter is a good source of heart-healthy monounsaturated fats, which can help lower LDL (harmful) cholesterol and triglyceride levels." -Wan Na Chun, M.P.H., RD It's Packed with Antioxidants ...