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L-Arginine Base

1890 reviews
Due to an influx of orders, shipping may be delayed by a couple of days.
What is L-Arginine?

L-Arginine, also known simply as Arginine, is an amino acid that is used in the biosynthesis of proteins. It is known as a semi-essential amino acid and is commonly taken by bodybuilders.

L-Arginine Benefits

Arginine may help increase muscle mass and boost exercise endurance. It may also support the heart, immune system, and skin.

  • May help increase muscle mass
  • May work to boost exercise endurance
  • May support heart health
  • May fortify immune function
  • May contribute to healthy skin

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Supplement Facts
Serving size: 500 milligrams
Serving per container: *
Amount Per Serving % Daily Value**
L-Arginine...500mg *
* Daily Value not established.
** Based on 2,000 calorie diet


Sugar, soy, dairy, yeast, gluten, corn and additives.

As a dietary supplement, take 750 mg one to three times daily on empty stomach, or as directed by physician.

Always consult your health care provider before taking any supplements. Pregnant or lactating women, people with existing medical conditions, or people taking medications should consult their health care provider/s before taking any dietary supplement. If you experience any adverse condition after taking this dietary supplement, discontinue use immediately and consult your health care provider.

Keep out of reach of children.

Customer Reviews
4.7 Based on 1890 Reviews
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David F.
United States United States
L-Arginine Base

Great product. Good value. Helps big time with circulation. Taste could be better.

Michael N.
United States United States
Raises my neutrophils

I was skeptical that it would work but I have increased my neutrophils with 6g/day

Richard C.
United States United States
product fine, company borders on harassment

Product is fine, cannot speak directly to it since I use with several others in a "cocktail." The company however has become really overbearing. Calls for reviews daily, sometimes 2-3 requests a day, plus requests for reviews of shipping, reviews of reviews, reviews of how they are doing reviews. Seems to be no way to shut all this stuff off. Look, the company is easy to order from, ships quickly, tracks well, arrives on time. All that is good, but this incessant begging for reviews is now leading to this, the first one I have given them with negative feedback.

Kevin G.
United States United States
Not for me.

I wouldn’t say this is a bad supplement but I didn’t notice any desired benefit from it.

Anna B.
United States United States

Awesome product

Dennis W.
United States United States
Great Experiences

Met or exceeded my expectations.