Ultra Nox | GNC

GNC AMP Ultra Nox


Item # 988711
$34.99 $27.99


Size: 120 Tablets

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Product Information




  • Maximizes N.O. Production & Blood Vessel Tone*
  • Supports Endurance & Performance*


Nutrition Facts
Serving Size  4 Tablet(s)
Servings Per Container  30

Amount Per Serving     % DV

Vitamin B-12 (as Cyanocobalamin) 2.4 mcg   100%

Nitrosigine® (Arginine Silicate Inositol)  1.5 g   **
L-Citruline  1.5 g   **
Oxyjun® Terminalia arjuna Bark Extract (30% Polyphenols 120 mg)  400 mg   **
Agmatine Sulfate  250 mg   **

** Daily Value (DV) not established.
Other Ingredients
Mica, Microcrystalline Cellulose, Croscarmellose Sodium, Hydroxypropylcellulose, Silica, Hydroxypropyl Methlycellulose, Polydextrose, Magnesium Stearate, Vegetable Source, Titanium Dioxide (Mineral Whitener), Stearic Acid Vegetable Source, Talc, Medium Chain Triglycerides, FD&C Blue #2 lake, FD&C Red #3 Lake, Ethylcellulose, Triacetin, Diacetylated Monoglycerides, Oleic Acid , Polyethylene Glycol
Label (click image to enlarge)

How To Use

As a dietary supplement, take four tablets daily with 8 fl. oz. of water or your favorite sports beverage 30-60 minutes before your workout. On non-training days, take first thing in the morning.
Use only as directed., Do not exceed recommended daily intake., Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition. Discontinue use two weeks prior to surgery., Keep out of reach of children.
Store in a cool, dry place.
Distributed by:
General Nutrition Corporation
Pittsburgh, PA 15222


4.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
It does work but could use a little zap it does tast good
Its ok but I have had better
February 3, 2019
1 month ago
More Stamina, More Pump!
Great source of stamina. Was able to extend my excercises duration & still felt I have tons of energy after I finish. Will continue to buy more!
July 26, 2018
7 months ago
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Browse 4 questions Browse 4 questions and 2 answers
does this have caffeine in any form? I'm staying away from supplements that have it . .
Azzedine A on Apr 6, 2018
BEST ANSWER: The Product is Stimulant free No caffeine and no jitters
How does this compare to NO 3?
Kevin H on Nov 4, 2018
BEST ANSWER: 10 times better in the gym and giving you a extra boost in the bedroom
Can stack with bcaa or pre workout?
A shopper on Dec 15, 2018
Has anyone used this who is also on Levothyroxine for hypothyroidism? I used to use Nitrix years ago before my diagnosis and would like to get on this supplement. There does not seem to be a lot of information regarding pairing Nitric Oxide boosters, such as this, with hypothyroid medications.
A shopper on Dec 13, 2018