GAT, Nitraflex Pump, Pink Lemonade, 10.23 oz (290 g)



Only 9 left!


  • Stim-Free
  • Hyperemia & Strength
  • Intense Performance Gains with CFB
  • Mental Focus & Muscle Energy
  • Vascular Muscle Pumps
  • GAT Authentic - Satisfaction Guaranteed
  • 20 Servings
  • Dietary Supplement
  • Naturally & Artificially Flavored
  • Vasodilation
  • Reactive Hyperemia (Muscle Pumps)
  • Strength
  • Hardness
  • CarnoSyn - Carnosine Synthesizer
  • HydroMax - Glycerol Powder 65%

Hyperemia & Strength Formula

New Nitraflex Pump has the power to outpump!

This scientifically complex power output formula is designed to create dramatically extended muscle pumps while weight training. Impressive, bigger and longer-lasting Nitraflex Pumps! It's Stim-Free, and won't keep you awake after night training. Even those sensitive to stimulants can take it. Plus, it stacks well with other GAT products!

Massive Hyperemia Muscle Pumps:

Inducing advanced, blood-engorged Hyperemia Muscle Pumps takes precision. The uniquely potent, athletics-enhancing formula in Nitraflex Pump! Its clinically defined dosage matrix of L-Citrulline, Hydromax Glycerol, L-Norvaline and Pine Bark boosts nitric oxide, dilates blood vessels for higher volume flow racing into muscles, fights fatigue. It increases pumps and endurance. Agmatine Sulfate adds Nitric Oxide synthesis, muscle growth and recovery.

Best-In-Class Power Output, Focus & Performance:

Feel the power of Nitraflex Pump, and crush workouts with seething intensity. You won't believe it's stim-free! Carnosyn Beta-Alanine enhances muscle's hydrogen (H+) ion buffering. Agmatine increases energy for heightened performance. NitraFlex Pump is truly a power-packed pre-workout pump matrix for today's athletes!

Over 8 Years of Proven Success:

Original Nitraflex by GAT Sport dominates pre-workout. Its proven performance has fueled thousands of fitness enthusiasts and Pro athletes worldwide. Now, the power of Nitraflex is also in the new Stim-Free Nitraflex Pump!

Note: One serving contains 1000 mg of Carnosyn Beta-Alanine, and a clinically researched dose of CFB (Calcium Fructoborate - US Patent #5,962,049).

Suggested Use

Mix 1 serving (2 scoops) of Nitraflex Pump with 10-12 fl oz of cold water and consume within 30 minutes before working out. Can take up to two servings daily.

40 Scoops!

Nitraflex Pump is stim-free yet powerful, just like legendary Nitraflex Original. Use it alone, or stack it easily with GAT Sport Nitraflex Original, JetFuse, or Psychon!

For Maximum Results:

  • Stack Nitraflex Pump with Nitraflex
  • Do cardiovascular activity first thing daily
  • Eat 4-5 smaller meals throughout the day
  • Eliminate fast food and soda from your diet
  • Drink 1 full glass of water before each meal

Other Ingredients

Citric acid, pineapple fruit powder, silicon dioxide, malic acid, calcium silicate, acesulfame potassium, natural flavors, sucralose, carmine powder.


This product is strictly intended for use by healthy persons 18 years of age or older. Do not use if you are pregnant, nursing, or are trying to become pregnant. Do not use if you are currently unaware of your health status or if you have a medical condition including but not limited to heart, liver, kidney, or thyroid disease, psychiatric or epileptic disorders, high or low blood pressure, cardiac arrhythmia, recurrent headaches, enlarged prostate or glaucoma. Do not use if you are taking prescription or non-prescription medication of any kind including but not limited to MAO inhibitors, anti-depressants, aspirin or non-steroidal anti-inflammatory drugs. Do not use if you are prone to overheating or dehydration. After 8 weeks of use, take 1 week off before resuming use. Discontinue at least 2 weeks prior to surgery or if you experience rapid heartbeat, dizziness, severe headache or shortness of breath. Keep out of the reach of children.

Store in a cool dry place. Do not use if neck seal is broken or missing.

Consuming this product can expose you to lead, which is known for the State of California to cause birth defects or other reproductive harm.


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.

Supplement Facts
Serving Size: 14.5 g (approx. 2 scoops)
Serving Per Container: 20
  Amount Per Serving %Daily Value†
L-Citrulline 4 g
HydroMax Glycerol Powder 65% 2 g
Taurine 2 g
CarnoSyn Beta-Alanine 1 g
Agmatine Sulfate 500 mg
Masson Pine Bark Extract 200 mg
Calcium Fructoborate 150 mg
L-Norvaline 150 mg
†Daily Value (DV) not established