Boost Your Nitric Oxide Levels With L-Arginine, Right? Wrong!  Here’s Why Arginine Is Nearly Useless For
People Over 40… Plus What MIT Researchers
Say You Should Be Doing Instead 

You’ve probably heard about nitric oxide, the molecule that improves heart health, energy levels, and sexual performance.

But here’s something you probably haven’t heard: The popular advice on how to increase nitric oxide is dead wrong!

The most common advice is to take l-arginine to boost nitric oxide. But …