What it is
L-arginine is an amino acid the body uses to make proteins and nitric oxide. Supplement research is condition-specific and does not support treating yourself for a medical problem.
Purenio ingredient guide
L-arginine is an amino acid the body uses to make proteins and nitric oxide. Supplement research is condition-specific and does not support treating yourself for a medical problem.

L-arginine is an amino acid the body uses to make proteins and nitric oxide. Supplement research is condition-specific and does not support treating yourself for a medical problem.
Use only as directed on the finalized label. Review it with a clinician or pharmacist if you use prescription medicines.
L-arginine may affect blood pressure and may interact with medicines that lower blood pressure, nitrates, sildenafil, blood thinners, and diabetes medicines. Do not use after a recent heart attack unless a clinician specifically directs it.