Swanson, L-Arginine, 500 mg, 200 Capsules

Swanson L-Arginine provides L-arginine, a semi-essential amino acid that serves as a precursor to nitric oxide. Nitric oxide is a signaling molecule that helps relax blood vessels and support circulatory function. This capsule format offers convenient dosing for daily supplementation. L-arginine is commonly used to support cardiovascular health, exercise performance, and overall circulation. The product contains 200 capsules for extended use, with each capsule providing L-arginine.