Many foods high in good-for-you omega 3s are also high in L-Arginine, such as free-range game, seafood, walnuts, and sesame seeds. Plus, omega 3s help your
body better absorb
L-
Arginine, according to a study in Nutrition & Metabolism. There are no RDA guidelines for how much L-Arginine you should have, but Lindberg recommends getting your daily fix by eating omega-3 packed protein such as free-range beef and chicken, or fatty fish like salmon.