GAT Sport, NITRAFLEX® Advanced, Pre-Workout, Green Apple, 10.1 oz (285 g) supplement bottle
GAT

Sport, NITRAFLEX® Advanced, Pre-Workout, Green Apple, 10.1 oz (285 g)

What We Researched
8 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
83
Product Score Good
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin 25 mg 156%
Calcium (as Calcium Silicate) 35 mg 3%
Sodium (as Sodium Bicarbonate) 82 mg 4%
Vasoactive Arginase-Regulating No Precursor ComplexL-Citrulline, Inositol - Stabilized Arginine Silicate (as Nitrosigine®), Resveratrol, Pterostillbene. 3,700 mg **
Acute Energy, Focus, Intensity, Neuromodulating, Endurance ComplexBeta-Alanine, L-Tyrosine, Caffeine Anhydrous, Dimethylaminoethanol (DMAE) Bitartrate, L-Theanine, Rauwofia vomitoria Root Extract 2,621 mg **
Boron Citrate 200 mg **
Bioavailability Very Good

Absorption Rating

  • Niacin Good
  • Calcium (as Calcium Silicate) Poor
  • Sodium (as Sodium Bicarbonate) Good
  • Vasoactive Arginase-Regulating No Precursor ComplexL-Citrulline, Inositol - Stabilized Arginine Silicate (as Nitrosigine®), Resveratrol, Pterostillbene. Good
  • Acute Energy, Focus, Intensity, Neuromodulating, Endurance ComplexBeta-Alanine, L-Tyrosine, Caffeine Anhydrous, Dimethylaminoethanol (DMAE) Bitartrate, L-Theanine, Rauwofia vomitoria Root Extract Fair
  • Boron Citrate Good
Other Ingredients Excellent

Fillers & Additives

  • Malic Acid
  • Silicon Dioxide
  • Sucralose
  • Natural and Artificial Flavor
  • L-Tartaric Acid
  • Acesulfame Potassium
  • Natural sweetener blend (erythritol, fructooligosaccharides, natural flavor)
Efficacy Fair

Dosage Analysis

  • Niacin 25 mg Effective
  • Calcium (as Calcium Silicate) 35 mg Under-dosed
  • Sodium (as Sodium Bicarbonate) 82 mg Under-dosed
  • Vasoactive Arginase-Regulating No Precursor ComplexL-Citrulline, Inositol - Stabilized Arginine Silicate (as Nitrosigine®), Resveratrol, Pterostillbene. 3,700 mg Effective
  • Acute Energy, Focus, Intensity, Neuromodulating, Endurance ComplexBeta-Alanine, L-Tyrosine, Caffeine Anhydrous, Dimethylaminoethanol (DMAE) Bitartrate, L-Theanine, Rauwofia vomitoria Root Extract 2,621 mg High
  • Boron Citrate 200 mg High

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Total Carbohydrate 1 g <1%*
Niacin 25 mg 156%
Calcium (as Calcium Silicate) 35 mg 3%
Sodium (as Sodium Bicarbonate) 82 mg 4%
Vasoactive Arginase-Regulating No Precursor ComplexL-Citrulline, Inositol - Stabilized Arginine Silicate (as Nitrosigine®), Resveratrol, Pterostillbene. 3,700 mg **
Acute Energy, Focus, Intensity, Neuromodulating, Endurance ComplexBeta-Alanine, L-Tyrosine, Caffeine Anhydrous, Dimethylaminoethanol (DMAE) Bitartrate, L-Theanine, Rauwofia vomitoria Root Extract 2,621 mg **
Boron Citrate 200 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

L-Tartaric Acid Generally_safe

It is used as a buffering agent.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Natural sweetener blend (erythritol, fructooligosaccharides, natural flavor) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $29.99
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
GAT

Founded 1997 · Monroe, CT, United States · 50 products · gatsport.com

Certifications

2 certifications
Informed Sport Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Recall Jetfuel Diuretic2022-01-06Source
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Frequently Asked Questions
Is GAT Sport, NITRAFLEX® Advanced a good supplement?

GAT Sport, NITRAFLEX® Advanced, Pre-Workout, Green Apple, 10.1 oz (285 g) received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 8 active ingredients Of the 7 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, GAT, holds a brand trust score of 71/100 with 2 verified certifications including Informed Sport, Fda Gmp Inspections.

What are the ingredients in GAT Sport, NITRAFLEX® Advanced?

GAT Sport, NITRAFLEX® Advanced contains 8 active ingredients: Calories (5), Total Carbohydrate (1 g), Niacin (25 mg), Calcium (as Calcium Silicate) (35 mg), Sodium (as Sodium Bicarbonate) (82 mg), Vasoactive Arginase-Regulating No Precursor ComplexL-Citrulline, Inositol - Stabilized Arginine Silicate (as Nitrosigine®), Resveratrol, Pterostillbene. (3,700 mg), and 2 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GAT Sport, NITRAFLEX® Advanced safe to take?

GAT Sport, NITRAFLEX® Advanced, Pre-Workout, Green Apple, 10.1 oz (285 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GAT a trustworthy supplement brand?

GAT receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1997 and headquartered in Monroe, CT, United States, the company offers 50 products in their lineup. They hold 2 verified certifications including Informed Sport, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: GAT has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.