Staminol

product on market Capsule GNC Men's Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 9% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This blend contains GABA and Kola Nut, which are studied for their roles in neurotransmission and energy, though evidence for this specific combination is limited. Nettle and oat straw are traditionally used for support, but clinical data for these ingredients in this context is sparse. Overall, the evidence coverage for this profile is very low.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Staminol
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
9%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Proprietary Blend
200 mg
Kola Nut
175 mg
Oat Straw
150 mg
GABA
100 mg
Nettle
100 mg
Yohimbe bark extract
60 mg
Horny Goat Weed
20 mg
Catuaba
10 mg
Muira
10 mg
Damiana
10 mg
10 mg
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)

Other Ingredients

Gelatin Dicalcium Phosphate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: As a dietary supplement, take two capsules before activity.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition. Discontinue use two weeks prior to surgery. Use only as directed. Do not exceed recommended daily intake.

Formulation Notes

Features L-arginine and maca

Includes horny goat weed and yohimbe

Powerful male performance formula

No Sugar, No Artificial Colors, No Artificial Flavors, Sodium Free, No Wheat, No Soy, No Dairy, Yeast Free.

Additional Information

Store in a cool, dry place.

“Men’s Staminol combines popular herbs widely used by men. This premium formula is produced following GNC’s strict quality guidelines, providing you the best product on the market.”

ACTUAL SIZE

CODE 237511 BJG

Conforms to USP <2091> for weight.

Dr. Frank J. Costa, M.D., an internationally acclaimed urological surgeon and men’s health expert, is part of the GNC Medical Advisory Board.

GNC GUARANTEE Use any GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!

GNC QUALITY COMMITMENT GNC is the leader in the development and manufacture of dietary supplements, committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee.

MADE IN THE USA

Meets USP <2040> disintegration.

One of “American’s Top Physicians,” Dr. Costa lectures nationally and internationally on men’s health topics. Dr. Costa is regularly featured in television, radio and newspaper interviews and has published articles in both professional journals and popular magazines.

Metadata

Product Details

DSLD Entry Date2011-10-26
Product TypeBotanical with Nutrients
FormCapsule
DSLD ID964
Data Updated2026-04-11
Research

Research Evidence

35
Research Sources
52
Avg Quality
15
Meta Analysis
11
Systematic Review
7
Rct
1
Narrative Review
1
Openfda Safety
B Serenoa repens for benign prostatic hyperplasia
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
B Serenoa repens for benign prostatic hyperplasia
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
B Serenoa repens for the treatment of lower urinary tract symptoms due to benign prostatic enlargement: A systematic review and meta-analysis
Meta Analysis Investigative and clinical urology 2021 PubMed DOI
B Clinical Efficacy of Serenoa repens Versus Placebo Versus Alpha-blockers for the Treatment of Lower Urinary Tract Symptoms/Benign Prostatic Enlargement: A Systematic Review and Network Meta-analysis of Randomized Placebo-controlled Clinical Trials
Systematic Review European urology focus 2021 PubMed DOI
B Non-hormonal treatment for male infertility: the potential role of Serenoa repens, selenium and lycopene
Systematic Review European review for medical and pharmacological sciences 2019 PubMed DOI
B Comparison of Serenoa repens With Tamsulosin in the Treatment of Benign Prostatic Hyperplasia: A Systematic Review and Meta-Analysis
Meta Analysis American journal of men's health 2020 PubMed DOI
B Serenoa repens monotherapy for benign prostatic hyperplasia (BPH): an updated Cochrane systematic review
Systematic Review BJU international 2012 PubMed DOI
B Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis
Systematic Review Frontiers in nutrition 2025 PubMed DOI
C Benign prostate hyperplasia and nutrition
Systematic Review Clinical nutrition ESPEN 2019 PubMed DOI
C American palm ethnomedicine: a meta-analysis
Meta Analysis Journal of ethnobiology and ethnomedicine 2009 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.