Improved blood circulation-21st Century L-Arginine 1,000 mg, Increased Physical Endurance -21st Century L-Arginine 1,000 mg, Accelerated Healing -21st Century L-Arginine 1,000 mg, Supported Sexual Health -21st Century L-Arginine 1,000 mg

Improved blood circulation -EVLution Nutrition L-Arginine + L-Citrulline, Increased physical endurance -EVLution Nutrition L-Arginine + L-Citrulline, Accelerated healing -EVLution Nutrition L-Arginine + L-Citrulline, Sexual health support -EVLution Nutrition L-Arginine + L-Citrulline

Improved blood circulation-NOW Foods L-Arginine Double Strength 1,000 mg, Increased Physical Endurance -NOW Foods L-Arginine Double Strength 1,000 mg, Accelerated Healing -NOW Foods L-Arginine Double Strength 1,000 mg, Sexual Health Support -NOW Foods L-Arginine Double Strength 1,000 mg

Improved blood circulation- NOW Foods L-Arginine 500 mg, Increased Physical Endurance - NOW Foods L-Arginine 500 mg, Accelerated Healing - NOW Foods L-Arginine 500 mg, Sexual Health Support - NOW Foods L-Arginine 500 mg