21st Century Full Fuel 365™, L-Arginine, 1,000 mg, 90 Tablets

21st Century's Full Fuel 365 L-Arginine is a dietary supplement formulated to support nitric oxide production, which the manufacturer states promotes healthy blood flow to muscles during exercise and aids vascular function and exercise capacity. It provides L-Arginine, an amino acid that serves as a precursor for nitric oxide synthesis in the body.

Each tablet contains 1,000 mg of L-Arginine, and the manufacturer notes it is designed for once-daily dosing, though directions allow for up to three tablets per day with meals. The product is part of the Full Fuel 365 line, which the brand positions for active individuals seeking nutritional support for performance and cardiovascular health. According to the manufacturer, it contains no artificial colors, flavors, or preservatives, and it is Non-GMO and Gluten-Free. The supplement comes in a 90-tablet package.