GNC Men's Staminol supplement bottle
GNC Men's

Staminol

What We Researched
9 active ingredients analyzed · 7 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
63
Product Score Fair
70
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 76 mg 6%
Proprietary Blend 200 mg
Oat Straw stems powder 150 mg
GABA 100 mg
Yohimbe bark extract 60 mg
Horny Goat Weed powder 20 mg
Muira Puama root powder 10 mg
Damiana leaf powder 10 mg
Saw Palmetto berries powder 10 mg
Bioavailability Fair

Absorption Rating

  • Calcium Good
  • Proprietary Blend Fair
  • Oat Straw stems powder Fair
  • GABA Poor
  • Yohimbe bark extract Fair
  • Horny Goat Weed powder Fair
  • Muira Puama root powder Fair
  • Damiana leaf powder Fair
  • Saw Palmetto berries powder Poor
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Gelatin
  • Water
  • Stearic Acid
  • Magnesium Stearate
  • Silica
  • Sodium Lauryl Sulfate Low
Efficacy Very Poor

Dosage Analysis

  • Calcium 76 mg Under-dosed
  • Oat Straw stems powder 150 mg Under-dosed
  • GABA 100 mg Effective
  • Yohimbe bark extract 60 mg Under-dosed
  • Horny Goat Weed powder 20 mg Under-dosed
  • Saw Palmetto berries powder 10 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium 76 mg 6%
Proprietary Blend 200 mg
Oat Straw stems powder 150 mg
GABA 100 mg
Yohimbe bark extract 60 mg
Horny Goat Weed powder 20 mg
Muira Puama root powder 10 mg
Damiana leaf powder 10 mg
Saw Palmetto berries powder 10 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.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Water Safe

Dissolves and carries water-soluble ingredients.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Sodium Lauryl Sulfate Caution

It is used to help mix oil and water-based ingredients.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $24.99
GNC

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

Brand Trust Report
GNC Men's

Founded 1935 · Pittsburgh, Pennsylvania, USA · 20 products · gnc.com/

Certifications

4 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Nsf Certified For Sport Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is GNC Men's Staminol a good supplement?

GNC Men's Staminol received a product quality score of 63/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 9 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 1 are flagged for review. The manufacturer, GNC Men's, holds a brand trust score of 70/100 with 4 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport.

What are the ingredients in GNC Men's Staminol?

GNC Men's Staminol contains 9 active ingredients: Calcium (76 mg), Proprietary Blend (200 mg), Oat Straw stems powder (150 mg), GABA (100 mg), Yohimbe bark extract (60 mg), Horny Goat Weed powder (20 mg), and 3 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Men's Staminol safe to take?

GNC Men's Staminol has been analyzed for ingredient safety across all its components. Of 7 inactive ingredients, 6 are rated safe. 1 ingredient is flagged for review: Sodium Lauryl Sulfate. '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 GNC Men's a trustworthy supplement brand?

GNC Men's receives a brand trust score of 70/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 20 products in their lineup. They hold 4 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.