🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

3 Vegetable Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

40 mg (500% DV)
📊 3.6× RDA — above typical dose (UL: 40 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 40mg UL 40mg
Tribulus terrestris
500 mg
Horny Goat Weed
400 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 300mg
📊 Market median: 500.0mg (357 products) 📚 1 studies — no high-quality reviews
This product: 250mg
📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)
This product: 150mg
📊 Market median: 200.0mg (3 products) 📚 10 studies (Tier A: 1, B: 3)
This product: 100mg
Tongkat Ali extract
50 mg
Yohimbe bark extract
1.5 mg

Other Ingredients

Vegetable Cellulose Rice Flour Silica Vegetable Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (48% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Use only as directed. Take three (3) capsules 1-2 times daily with breakfast and/or lunch. If taken twice, wait 5-8 hours between doses. Do not take within 5 hours of bedtime. For maximum effect, take daily for at least 30 days combined with a healthy exercise routine.

⚠️ Warnings & Precautions

Do not take within 5 hours of bedtime.

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Non-GMO

Zero gluten, soy, milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, preservatives, animal products, or artificial ingredients.

Additional Information

Formulated to support test levels Stamina and energy

GMP Good Manufacturing Practice Consistent quality Lab verified Made with non-GMO ingredients

2800444 0118

Store in a cool, dry place.

Premium test booster

#howizhou Facebook Instagram

Product Details

UPC / SKU 8 59805 00602 7
DSLD Entry Date 2019-02-25
Product Type Other Combinations
Form Capsule
Brand ZHOU
DSLD ID 200020
Data Updated 2026-04-11

Research Evidence

397 Research Sources
55 Avg Quality Score
200 Meta Analysis
68 Rct
58 Systematic Review
53 Clinical Trial
9 Cochrane Review
2 Narrative Review
2 Regulatory Source
1 Observational
1 Other
1 Openfda Safety
A Zinc supplementation for improving pregnancy and infant outcome
Meta Analysis The Cochrane database of systematic reviews 2021
A Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years
Narrative Review The Cochrane database of systematic reviews 2023
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014
A Zinc for the prevention or treatment of acute viral respiratory tract infections in adults: a rapid systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ open 2021
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
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