Solaray, L-Arginine & Ornithine 500mg/250mg, 50 VegCaps

Ingredients: L-Arginine (as L-Arginine HCl), L-Ornithine (as L-Ornithine HCl), Gelatin (capsule), Cellulose and Magnesium Stearate.

Directions: As a dietary supplement, take 1-3 capsules daily. For best results, take on an empty stomach about one hour before going to sleep or exercising.