Source Naturals L-Arginine 1000 mg 200 Tablet 200 Tablet

L-Arginine Free-Form Promotes Increased Circulation L-Arginine is a crystalline free-form amino acid. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen. It is also a precursor of guanidine-phosphate, phosphoarginine, and creatine, which are high-energy compounds found in muscles. stearic acid, hydroxypropyl cellulose, modified cellulose gum, and silica.

Ingredients:
Calories -10 
L-Arginine (as L-Arginine HCl) -1 g

Suggested Usage: 1 tablet 1 to 3 times daily between meals.