
Sustained-release L-arginine, an amino acid.
Ingredients (per 2 capsules): L-Arginine 1g.
Other ingredients: Hydroxypropyl Methylcellulose, Calcium Laurate, Magnesium Citrate, Hypromellose, Leucine, Silicon Dioxide.
Gluten, dairy, and soy-free, third-party tested. Sourced and shipped directly from THORNE in the USA.