🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 11% 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 Filled Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
11% Evidence Coverage

Supplement Facts — Evidence Check

Calcium
38 mg (3% DV)
Proprietary Blend
100 mg
Oat Straw, Powder
75 mg
Gamma-Aminobutyric Acid
50 mg
Yohimbe bark extract
30 mg
Horny Goat Weed powder
10 mg
Muira Puama, Powder
5 mg
Damiana leaf powder
5 mg
📊 Market median: 320.0mg (426 products) 📚 24 studies (Tier A: 0, B: 5)
This product: 5mg

Other Ingredients

Dicalcium Phosphate Gelatin Stearic Acid Magnesium Stearate Silicon Dioxide Sodium Lauryl Sulfate

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult Male (18-50 Years) Seniors/Mature (>50 Years) - Men ONLY

Product Information

📋 Directions for Use

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

⚠️ Warnings & Precautions

Contains wheat.

Warning: Use only as directed. Do not exceed recommended daily intake. Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov. Discontinue use two weeks prior to surgery.

Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Keep out of reach of children.

🧪 Formulation Notes

Achieve your daily nutritional goals with customized ingredients plus a multivitamin with more than 30 clinically studied ingredients. Prostate health Supports normal prostate function and healthy urinary flow with saw palmetto and lycopene.

VITAPAK Program with clinically studied multivitamin blend In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 vitality and mental health scores were also observed compared to placebo.

Clinically studied support for healthy testosterone levels & improved sexual health Supports healthy prostate & urinary function plus enhanced circulatory support Clinically studied

No artificial flavors.

Additional Information

30-Day Supply

Each pack contains: Staminol

Store in a cool, dry place.

For more information: 1-888-462-2548 GNC.com

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 a replacement product that is right for you.

Product Details

DSLD Entry Date 2024-03-22
Product Type Other Combinations
Form Capsule
Brand GNC Mega Men
Bundle Healthy Testosterone
DSLD ID 304644
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
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