GAT Testrol® Original, Testosterone Booster, 60 Tablets supplement bottle
GAT

Testrol® Original, Testosterone Booster, 60 Tablets

What We Researched
15 active ingredients analyzed · 13 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
47
Product Score Poor
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 165 mg 13%
Magnesium (as magnesium oxide) 450 mg 107%
Zinc (as zinc sulfate) 30 mg 273%
Selenium (as selenomethionine) 50 mcg 91%
Tribulus terrestris extract (whole plant) (45% saponins) 500 mg **
Avena sativa (aerial parts) (from 50 mg of 10:1 extract) 500 mg **
L-Arginine (as L-arginine HCl) 150 mg **
Mucuna pruriens seed extract [10% L-dihydroxyphenylalanine (L-DOPA)] 100 mg **
Fenugreek seed 100 mg **
Ginkgo biloba leaf (from 2 mg of 50:1 extract) 100 mg **
Eurycoma longifolia root (long jack) (from 2 mg of 50:1 extract) 100 mg **
Epimedium extract (aerial parts) (10% flavonoids as icariin) 100 mg **
Saw palmetto fruit (from 25 mg of 4:1 extract) 100 mg **
Damiana leaf 50 mg **
Cnidium monnieri (whole fruit containing seeds) 30 mg **
Bioavailability Good

Absorption Rating

  • Calcium Good
  • Magnesium (as magnesium oxide) Poor
  • Zinc (as zinc sulfate) Fair
  • Selenium (as selenomethionine) Good
  • Tribulus terrestris extract (whole plant) (45% saponins) Fair
  • Avena sativa (aerial parts) (from 50 mg of 10:1 extract) Good
  • L-Arginine (as L-arginine HCl) Good
  • Mucuna pruriens seed extract [10% L-dihydroxyphenylalanine (L-DOPA)] Good
  • Fenugreek seed Fair
  • Ginkgo biloba leaf (from 2 mg of 50:1 extract) Poor
  • Eurycoma longifolia root (long jack) (from 2 mg of 50:1 extract) Good
  • Epimedium extract (aerial parts) (10% flavonoids as icariin) Fair
  • Saw palmetto fruit (from 25 mg of 4:1 extract) Poor
  • Damiana leaf Fair
Other Ingredients Very Poor

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Hypromellose
  • Propylene Glycol
  • Titanium Dioxide High
  • Polythylene Glycol
  • FD&C Blue #1 Lake High
  • FD&C Blue #2 lake High
  • Hydroxypropylcellulose
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
Efficacy Poor

Dosage Analysis

  • Calcium 165 mg Under-dosed
  • Magnesium (as magnesium oxide) 450 mg High
  • Zinc (as zinc sulfate) 30 mg Effective
  • Selenium (as selenomethionine) 50 mcg Effective
  • Tribulus terrestris extract (whole plant) (45% saponins) 500 mg Effective
  • Avena sativa (aerial parts) (from 50 mg of 10:1 extract) 500 mg Under-dosed
  • L-Arginine (as L-arginine HCl) 150 mg Under-dosed
  • Mucuna pruriens seed extract [10% L-dihydroxyphenylalanine (L-DOPA)] 100 mg Under-dosed
  • Fenugreek seed 100 mg Under-dosed
  • Ginkgo biloba leaf (from 2 mg of 50:1 extract) 100 mg Under-dosed
  • Eurycoma longifolia root (long jack) (from 2 mg of 50:1 extract) 100 mg Under-dosed
  • Epimedium extract (aerial parts) (10% flavonoids as icariin) 100 mg Under-dosed
  • Saw palmetto fruit (from 25 mg of 4:1 extract) 100 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium 165 mg 13%
Magnesium (as magnesium oxide) 450 mg 107%
Zinc (as zinc sulfate) 30 mg 273%
Selenium (as selenomethionine) 50 mcg 91%
Tribulus terrestris extract (whole plant) (45% saponins) 500 mg **
Avena sativa (aerial parts) (from 50 mg of 10:1 extract) 500 mg **
L-Arginine (as L-arginine HCl) 150 mg **
Mucuna pruriens seed extract [10% L-dihydroxyphenylalanine (L-DOPA)] 100 mg **
Fenugreek seed 100 mg **
Ginkgo biloba leaf (from 2 mg of 50:1 extract) 100 mg **
Eurycoma longifolia root (long jack) (from 2 mg of 50:1 extract) 100 mg **
Epimedium extract (aerial parts) (10% flavonoids as icariin) 100 mg **
Saw palmetto fruit (from 25 mg of 4:1 extract) 100 mg **
Damiana leaf 50 mg **
Cnidium monnieri (whole fruit containing seeds) 30 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Propylene Glycol Generally_safe

It is used as a solvent to dissolve ingredients.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Polythylene Glycol Unknown
FD&C Blue #1 Lake Unknown
FD&C Blue #2 lake Unknown
Hydroxypropylcellulose Generally_safe

It is added to bind ingredients together and provide a smooth coating.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$29$28$27$26$25 Mar 12 $27.00
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
Related Supplements
Frequently Asked Questions
Is GAT Testrol® Original, Testosterone Booster a good supplement?

GAT Testrol® Original, Testosterone Booster, 60 Tablets received a product quality score of 47/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 15 active ingredients with 30 servings per container. Of the 13 inactive ingredients, 7 are rated safe and 1 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 Testrol® Original, Testosterone Booster?

GAT Testrol® Original, Testosterone Booster contains 15 active ingredients: Calcium (165 mg), Magnesium (as magnesium oxide) (450 mg), Zinc (as zinc sulfate) (30 mg), Selenium (as selenomethionine) (50 mcg), Tribulus terrestris extract (whole plant) (45% saponins) (500 mg), Avena sativa (aerial parts) (from 50 mg of 10:1 extract) (500 mg), and 9 more. Notable high-dose ingredients include Zinc at 273% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GAT Testrol® Original, Testosterone Booster safe to take?

GAT Testrol® Original, Testosterone Booster, 60 Tablets has been analyzed for ingredient safety across all its components. Of 13 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. 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.