NITRAFLEX® has been the trusted name when it comes to pre-workout for nearly a decade and reformulated NITRAFLEX  BURN® is its newest scientifically advanced muscle building powerhouse designed to build lean, dense muscle while burning subcutaneous body fat.* Feel the power surging within minutes. NITRAFLEX BURN will motivate your training and help take your physique and performance to the next level!

New Nitraflex Burn has upped the ante with a one-two punch combining the patented  Nitrosigine® and CaloriBURN® ingredients which work to greatly increase pumps and thermogenic potential beyond expectations.




Nitraflex Burn contains ingredients that in animal, in vitro and clinical studies possess properties that may help advanced athletes maximize energy, intensity, vascularity, and reactive hyperemia (pumps) during their workouts, and provide long term support of Nitric Oxide levels in the body when used as directed

The Nitrosigine ingredient has scientifically validated benefits that last up to 6 hours after dosing. In addition to vasodilation (pump) and overall performance enhancing benefits, it’s also been clinically shown to increase mental focus.

CaloriBurn GP™ is a branded form of Grains of Paradise, a spice from the ginger family that has unique properties, particularly for fitness enthusiasts. Research indicates it can increase the ratio of BAT, or brown adipose tissue, to that of WAT, or white adipose tissue. The latter’s primary function is fat storage. The former; however, is a thermogenic tissue that can increase energy expenditure and lead to a potential drop in unwanted visceral fat tissue, primarily seen around the abdomen. In addition to the fat burning benefits found in research, CaloriBurn GP™ may help support a healthy inflammatory response, have anti-microbial properties, could aid in glucose control (*another pathway for fat loss), may have potential neuroprotective properties and finally, could even help with increasing levels of cardiovascular fitness. Lastly, CaloriBurn GP™ maintains all key performance bioactive compounds from the human literature, including 6-Paradol, 6-Gingerol, 6-Gingerdione, and 6-Shagaol.

Take your training to the next Lastly, there’s no more artificial dyes in the formulas and the new flavor system makes this not only the strongest but best-tasting NITRAFLEX® BURN yet!† Take your training to the next level with newly reformulated Nitraflex Burn.

Size: 30-serving

30 Serving Flavors:  Blue Raspberry, Apple Melon, Spicy Mango-Rita, Tropic Thunderbust



You may experience a slight spicy sensation in your mouth and throat when you drink Nitraflex Burn. This is normal and is a natural sensation created by the CaloriBURN Grains of Paradise.

It is also normal to experience increased perspiration due to the thermogenic effect of Nitraflex Burn.

Whether you’re a professional athlete, a competitor getting ready to step on stage, or a fitness enthusiast who wants to get in better shape and improve their health, when you want RESULTS, nothing compares to Nitraflex Burn!

Nitraflex Burn Can:

  • Enhance muscle pumps
  • Boost thermogenesis and fat burning
  • Increase free testosterone
  • Improve strength
  • Elevate energy levels
  • Heighten mental focus
  • Support muscle hardness

GAT Sport has been an innovation leader in the industry for over 20 years, and Nitraflex Burn is just another feather in their cap when it comes to raising the bar and industry standard.


GAT Sport is a brand that has earned the trust of thousands across the globe, and Nitraflex Burn is the next step in providing you with hardcore products that can maximize your results.

This one-of-a-kind formulation is unlike anything you’ll find on the market. FINALLY! A product that can not only help improve your workout performance and support your muscle-building goals but also provide you with the ability to incinerate body fat at the same time.

Next-Level Fat-Burning Matrix with Patented CaloriBURN: A clinically proven ingredient that has been shown to help increase energy expenditure and improve body composition by activating brown adipose tissue.

Use of Patented Nitrosigine: This powerful and patented ingredient has been clinically shown to help increase blood flow, enhance muscle volume and the pump, boost energy levels, improve mental focus, and reduce muscle damage caused by intense workouts.

Caffeine for Increased Energy: 325mg of caffeine is added to Nitraflex Burn to help provide you with enough fuel to get you through the most demanding and grueling workouts.

More Boron Per Serving: With 200mg of boron per serving, you can naturally increase testosterone levels to help build and protect lean muscle tissue.

Cognitive Enhancers: Nitraflex Burn contains unique ratios of scientifically validated ingredients and compounds such as L-Tyrosine, L-Theanine, and Rauwolfia Vomitoria Root Extract to help create a deep mind-muscle connection while also allowing you to remain alert and focused.

Inclusion of Sodium Bicarbonate: There’s something incredibly refreshing about a beverage with a little fizz to it. With the inclusion of sodium bicarbonate, you get a unique and refreshing drinking experience.

Potent 1-Scoop Serving Size: With a pre-workout this powerful, anything more than a 1-scoop serving would be WAY too much. GAT Sport specifically formulated Nitraflex Burn to be extremely effective with the use of ONLY one scoop. DO NOT exceed one serving in a single 24-hour period and refrain from using within five hours of bedtime.

Improved Flavor System: If you thought the original flavors were good, wait until you experience the flavor explosion in your mouth from the new and improved flavor system. With flavors this good, it’s going to be hard putting your shaker bottle down. You may find yourself watching the clock and counting down the minutes until your next workout.

No Artificial Colors: You wanted them gone, so we took them out. It’s as simple as that. You asked for it, and we listened. Nitraflex Burn now contains zero artificial colors or dyes.

Recommended Dosage:

(TAKE 1 SERVING) Training days:
Day 1: Begin by assessing your tolerance with half a serving of NITRAFLEX® BURN mixed with 6 oz of cold water.

Days 2 and beyond: Depending on tolerance, mix 1 serving (1 scoop) of NITRAFLEX® BURN with 10 oz of cold water and consume within 30 minutes before working out.

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