Our natural nutrients have been scientifically validated to work on men of all ages. That’s why our customers report a rapid decline in their symptoms – even in 9 days or less. 

We use adaptogenic nutrients that have the unique ability to adapt to your needs. This way, they help you feel like a man again – without nasty symptoms that ruin your life.

Helps to increase blood flow and provide more oxygen and nutrients to the muscles, thus improving muscular endurance and strength, reducing fatigue, and promoting post-exercise recovery, helping athletes recover faster from high-intensity training and improving training results.

Lead Formulator, Nutritional Scientist

Tobie has 17 years of experience in formulating natural health supplements. Thanks to his knowledge, he knows exactly what nutrients men need to feel, perform, and look their best.

At 37 years old, he has T levels of 792 ng/dL – which is higher than most healthy 20-year-olds have. He looks and feels amazing – without any strict diets and tough workouts. 

At  L-Arginine, he shares his discoveries with you to help you get the body, energy, strength, and confidence you want – fast.

An Entrepreneur, Traveler, and Natural Health Enthusiast

 Evan Leo (Matthew Murphy), founder of L-arginine, is a visionary entrepreneur who changed the men's health market in 2017.

It was then that he launched Vitality Health, the world's fastest growing men's health company. With its cutting-edge, customized formulas, the brand has changed the lives of over 2.4 million men (and counting).

That's how Leo gets the highest quality ingredients grown on organic family farms. He has built relationships with the most reliable military-grade manufacturers. He also assembled a team of world-class nutritional scientists and health experts.

That's how he created L-Arginine - a premium product unrivaled in men's health.