Arginine is an amino acid produced in the body and found in many foods—especially those rich in protein. But it's also sold as a dietary supplement as L-arginine. We clear the fog of claims and counter-claims.
A recent study by researchers made headlines when it pointed to a “previously unknown” culprit in red meat's bad rap—a nutrient called L-carnitine.
Packed with protein and healthful fat, this tuna dish is easy prepared and takes a mere 5 minutes to cook. The simple recipe also works with salmon, halibut, or swordfish.
