🟢 90/100

This product looks safe

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

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Brown Capsule(s) Serving Size
Other Combinations Product Type
9% Evidence Coverage

Supplement Facts — Evidence Check

Proprietary Blend
100 mg
Kola Nut
87.5 mg
Oat Straw
75 mg
GABA
50 mg
Nettle
50 mg
Yohimbe bark extract
30 mg
Horny Goat Weed
10 mg
Catuaba
5 mg
Muira
5 mg
Damiana
5 mg
📊 Market median: 320.0mg (426 products) 📚 24 studies (Tier A: 0, B: 5)
This product: 5mg

Other Ingredients

Gelatin Dicalcium Phosphate

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (83% of products) Nutrient (17% of products)

Target Groups

Adult Male (18-50 Years) Dairy Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take the contents of one packet daily with food.

⚠️ Warnings & Precautions

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.

Keep out of reach of children.

🧪 Formulation Notes

No artificial colors, no wheat, no dairy, yeast free.

Staminol A powerful blend of herbs including maca, horny goat weed and yohimbe to help support sexual health.

Vitapak Program for active men

Additional Information

Boosts energy

CODE 330621 KQG

Physician endorsed

Physician endorsed This product is endorsed by the GNC Medical Advisory Board. This team of esteemed physicians utilizes their extensive medical knowledge and experience to aid in the creation of GNC premium products, helping you to achieve optimal health through comprehensive nutritional support so you can live your best life!

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Actual size

Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find you a replacement product that is right for you.

Store in a cool, dry place.

Product Details

DSLD Entry Date 2016-12-23
Product Type Other Combinations
Form Capsule
Brand GNC Mega Men
Bundle Energy
DSLD ID 68958
Data Updated 2026-04-11

Research Evidence

35 Research Sources
52 Avg Quality Score
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
B Serenoa repens for benign prostatic hyperplasia
Meta Analysis The Cochrane database of systematic reviews 2012
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
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
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
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
B Serenoa repens monotherapy for benign prostatic hyperplasia (BPH): an updated Cochrane systematic review
Systematic Review BJU international 2012
B Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis
Systematic Review Frontiers in nutrition 2025
C Benign prostate hyperplasia and nutrition
Systematic Review Clinical nutrition ESPEN 2019
C American palm ethnomedicine: a meta-analysis
Meta Analysis Journal of ethnobiology and ethnomedicine 2009
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