🟢 95/100

This product looks safe

  • Boron Citrate: 200mg is 10.0× the Tolerable Upper Intake Level (20mg)
  • 12% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Boron Citrate: 200mg is 10.0× the Tolerable Upper Intake Level (20mg)

Label Data

7.31 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
12% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
3 Gram(s) (1% DV)
25 mg (156% DV)
✅ 1.8× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 25mg UL 35mg
Calcium
35 mg (3% DV)
Sodium
82 mg (4% DV)
NitraBurn Thermogenic, Acute Energy, Focus, Intensity, Neuromodulating, and Endurance Matrix Blend
2550 mg
Vasoactive Arginase Regulating NO Precursor Complex Blend
1000 mg
200 mg
⚠️ Exceeds Tolerable Upper Intake Level by 10.0× (UL: 20 mg) 📚 2 studies — no high-quality reviews
This product: 200mg UL 20mg

Other Ingredients

Malic Acid Silicon Dioxide Natural & Artificial Flavors Sucralose Xanthan Gum, Powder Acesulfame Potassium Erythritol Oligosaccharides Natural Flavors

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

For maximum results: Stack Nitraflex Burn with Flexx EAAs Aim to stay on a workout regimen consisting of both weights and cardiovascular training Eat 4-5 smaller meals throughout the day Eliminate fast food and other high saturated fat and high sugar foods from diet Stay hydrated by drinking adequate water throughout the day

⚠️ Warnings & Precautions

Do not use if neck seal is broken or missing.

Warning: This product is strictly intended for use by healthy persons 18 years of age or older.

Each serving (1 scoop) contains 325 mg of caffeine. Do not combine with other caffeine or stimulant-containing products.

Do not use if you are pregnant, nursing or 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 use 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.

Contains 325 mg caffeine anhydrous

Contains bioengineered food ingredients.

🧪 Formulation Notes

Build muscle Reduce body fat Hyperemia & Thermogenic formula

For nearly a decade, Nitraflex has been the name you trust when it comes to pre-workout formulas. And now, Nitraflex ups the ante by introducing Nitrosigine to the mix, and adding the new NitraBurn to the formula. This potent combo of Nitrosigine and CalorieBURN greatly increases pumps and thermogenic potential beyond expectations. The volume has been turned up on the energy, focus and flavor as well.

Lastly, there's no more artificial dyes in the formulas.

Physiological basis: "Reactive hyperemia" describes the increase in muscle blood flow that occurs during high-intensity resistance exercise and produces the "pump" associated with increases in muscle size.

The Nitraflex pre-training formula contains ingredients that in animal, in vitro and clinical studies suggest 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. Unique properties of some of the key compounds in Nitraflex Burn: Powered by Nitrosigine: This new formula boasts Nitrosigine as its only source of Arginine. Nitrosigine has been shown to inhibit the enzyme responsible for breaking down Arginine, making it the superior choice of arginine supplementation. Nitrosigine has scientifically validated that benefits last up to 6 hours after dosing. In addition to vasodilation (pump) and overall performance-enhancing benefits, Nitrosigine is clinically shown to increase mental focus, making it a truly well-rounded and multi-faceted addition to any effective pre-workout formula.

Note: One serving contains 325 mg caffeine, 1,000 mg Nitrosigine

Now with: NitraBurn Technology Now with: Nitrosigine CaloriBurn 325 mg caffeine Tropic Thunderburst naturally and artificially flavored

Thermogenic pre-workout Extreme thermogenic Insane pumps Seething intensity Explosive energy Intense focus Extreme pumps Thermogenic catalyst

Nitrosigine Bonded arginine silicate CaloriBurn

Additional Information

All in all, this is the strongest and best-tasting Nitraflex Burn yet!

#CompeteHarder with GAT Nitraflex Burn!

Store in a cool dry place.

Made in the United States with domestic and foreign ingredients

Product Details

DSLD Entry Date 2024-12-21
Product Type Other Combinations
Form Powder
Brand GAT Sport
DSLD ID 325647
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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