help/
support

help/support

speak with a Customer Support Representative
Call 1-800-824-4491
7am—Midnight CT Mon—Sat
Text 1-800-824-4491
7am—11:30pm CT Mon—Fri,
8am—11:30pm CT Sat
More ways to contact us
Up to 25% off Swanson Brand + Free Ship $50+ Exclusions Apply*

Arginine (L-Arginine)

Also known as: 2-Amino-5-guanidinopentanoic Acid

Arginine plays a pivotal role in the urea cycle, helping to rid the body of excess ammonia. This amino acid is also important in protein synthesis as well as for the support of healthy immune function.

41 items

REFINE