Nitraflex Burn by GAT Sport is a high-stim pre-workout. The older Nitraflex Burn. One scoop is 325mg of caffeine. Beta-alanine, tyrosine, carnitine, and rauwolfia share a 2.55g blend, so those doses are not written out. The pump side is a 1g Nitrosigine blend with no citrulline. The enhanced formula is the one with the real pump doses.
325mg of caffeine is written out. The tub is $34.99 for 30 servings, about $1.17 each. The limit is that there is no citrulline, and the beta-alanine dose is not written out.
Disclaimer: This is an independent editorial analysis. No brand paid for this score.
$1.17 / serving 路 30 servings / container
Blue Raspberry, Tropic Thunderburst
4 stores we checked on Oct 26, 2026, best price per serving first. Prices change often, so the price at checkout is the one that counts.
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Lowest price we have written down
The company behind Nitraflex Burn
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How its label, price and reviews stack up against the 158 pre-workout tubs we rank.
Signature SeriesHTLT7.3
EuphoriQ V2MuscleTech7.3Nitraflex BurnGAT Sport7.2
Black AntBucked Up7.1
AlphaBombCellucor C47.14.8/5
117 reviews at GAT Sport, Walmart, iHerb
Next to other pre-workout tubs. This one is the bright bar.
Cheapest on the left. This one is the bright bar.
Each serving of GAT Sport Nitraflex Burn has 325mg of caffeine, more than 66% of the 122 pre-workout tubs we rank that list an amount. That makes it a high-stim pre-workout (250-349mg), where it ranks #32 of 42.
It lists beta-alanine and Nitrosigine in a blend with no doses. It has no citrulline.
The lowest price we found is $34.99 for 30 servings, or $1.17 per serving. That's cheaper than 69% of the 158 pre-workout tubs we rank, where the typical one costs $1.50.
We checked 4 stores on Oct 26, 2026: GAT Sport, Amazon, Walmart, and iHerb. It comes in 2 flavors.
Shoppers give GAT Sport Nitraflex Burn an average of 4.8 out of 5 across 117 reviews at GAT Sport, Walmart, and iHerb. Our Review Scan score for it is 8.6 out of 10.
GAT Sport makes Nitraflex Burn. The brand was founded in 1998 and is based in Monroe, Connecticut. We rank 8 GAT Sport products, averaging 7.7 out of 10.
We score it 7.2 out of 10, #155 of 199 pre-workouts. Its strongest rating is Review Scan 8.6 and its weakest is Ingredients & Blend 5.6.
Other tubs close to this one on caffeine, stim level, and the main ingredients.
$3.00 / serving 路 20 servings / container
$1.83 / serving 路 30 servings / container
$1.80 / serving 路 25 servings / container
$1.50 / serving 路 30 servings / container
$2.50 / serving 路 20 servings / container
The rest of the lineup we have ranked from this brand.
$0.21 / serving 路 100 servings / container
$1.87 / serving 路 16 servings / bottle
$1.50 / serving 路 30 servings / container
$1.33 / serving 路 30 servings / container
$1.00 / serving 路 20 servings / container
$1.00 / serving 路 30 servings / container
$1.33 / serving 路 30 servings / container
