Arginine and Ornithine | GNC

GNC Pro Performance® Arginine and Ornithine


Item # 987712


Size: 60 Tablets

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1500 MG L-Arginine | 1000 MG L-Ornithine
Fuels Muscle & Nitric Oxide Production*

Pro Performance® Results
Pro Performance® L-Arginine & L-Ornithine are two amino acids popular among serious athletes, bodybuilders & fitness enthusiasts. L-Arginine supports blood vessel tone and boosts nitric oxide.*


Nutrition Facts
Serving Size  4 Tablet(s)
Servings Per Container  15

Amount Per Serving     % DV

L-Arginine  1500 mg   **
L-Ornithine (as L-Ornithine Monohydrochloride)  1000 mg   **

** Daily Value (DV) not established.
Other Ingredients
Cellulose, Dicalcium Phosphate
Label (click image to enlarge)

How To Use

As a dietary supplement, take four tablets daily.
Distributed by:
General Nutrition Corporation
Pittsburgh, PA 15222


4.0 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great stuff.
I find that it’s easier to loose weight while I’m on this product and get stronger also.
March 11, 2019
12 months ago
I don't understand why you didn't deliver the goods to me
February 17, 2019
3 months ago
Love this stuff.
November 3, 2018
6 months ago
Arginnine and Ornithine
I have used this supplement for years and find complete satisfaction in using it.
July 4, 2017
1 year ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 5 questions Browse 5 questions and 6 answers
Do you take all at once or different times?
A shopper on Jul 12, 2018
BEST ANSWER: All at once at bedtime.
Is it good for diabetics ?
Mervin on Aug 20, 2018
Is this product good for diabetics ??
Mervin on Aug 20, 2018
what does pro performance. arginine&ornithine do?
A shopper on Mar 11, 2019
BEST ANSWER: Increases immunity and gives disposition.
is this product good for muscle pump?
A shopper on Mar 11, 2019
BEST ANSWER: I'm not taking this product for a pump, so I can't say that I've noticed one. I take it specifically due to its HGH correlation.