Short answer: L-Arginine is an amino acid and precursor to nitric oxide, which supports blood vessel relaxation and healthy circulation.
Why this is the formula's specifically named circulation ingredient
Circulation & Antioxidants is one of the formula's four stated systems, with L-Arginine specifically anchoring the circulation half of that pathway.
Why this ingredient carries a specific blood pressure caution
L-Arginine may lower blood pressure and can interact with blood pressure medication and nitrates — a direct, mechanism-based concern worth understanding.
💊 Worth knowing: speak with your doctor first if you take blood pressure medication or nitrates before starting this formula.