Present in many preworkout products, the nitric oxide supplement arginine is commonly known for its awesome pump. Here are 7 other cool facts you probably didn’t know about it.

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Hey guys, Paul from Ultimatefatburner here, and today I’m going to hit you up with 7 quick facts about the amino acid arginine.

As usual, if you want to learn more or review the clinical references we’ve used to compile these facts, you can find links in the description under this video.

I’ll be right back in about 10 seconds… don’t go anywhere!

1. Arginine is a precursor to the gas nitric oxide. Nitric oxide production causes vasodilation – or simply, it dilates the arteries and blood vessels.

2. The clinical data supporting arginine’s effects as a sports performance enhancing supplement is conflicting and contradictory at this time.

3. The more you use arginine, the less effective it becomes. That’s because regular usage ramps up the activity of an enzyme called arginase which breaks down arginine, leaving less of it available for NO production. Because of this, many supplements are now switching to using citrulline in their formulas, or a combination of arginine and citrulline.

4. Concentrated pre-workout supplements that contain arginine do not contain anywhere near an effect dose of the supplement.

5. Because of its ability to dilate blood vessels, arginine has been used to treat angina, hypertension, congestive heart failure and hyperlipidemia all with varying degrees of success.

6. On its own and in combination with yohimbine and pycnogenol, multi-gram doses of arginine have been used to successfully treat certain types of erectile dysfuncton.

7. If you are taking any drugs to lower your blood pressure (i.e., antihypertensive drugs) do not attempt supplementing with arginine before speaking with your doctor, as it may create an additive effect!

So there you have it! 7 little known facts about arginine.

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