🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

3 Softgel(s) Serving Size
30 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

15 mg (136% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
200 mcg (364% DV)
📊 3.6× RDA — above typical dose (UL: 0.4 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.2mg UL 0.4mg
4Life Tri-Factor Formula
100 mg
📊 Market median: 320.0mg (426 products) 📚 24 studies (Tier A: 0, B: 5)
This product: 160mg
30 mg
📊 Market median: 10.0mg (35 products) 📚 5 studies (Tier A: 0, B: 2)
This product: 30mg
Proprietary Blend
546 mg

Other Ingredients

Gelatin Water Olive Oil Glycerin Beeswax Annatto Soy Lecithin Caramel

Label Claims — Verification

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

Target Groups

Kosher Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Directions: Take three (3) softgels daily with 8 oz of fluid.

⚠️ Warnings & Precautions

Keep out of reach of children.

Contains ingredients from milk, egg, and soy.

🧪 Formulation Notes

4Life Transfer Factor MalePro features exclusive 4Life Tri-Factor Formula and additional support ingredients specifically formulated to maintain and support prostate function and health.

Made in the USA with quality ingredients from around the world.

Targeted Transfer Factor

Ko D Kosher Service Dairy

Prostate health

Additional Information

Certified 4Life Transfer Factor

Ko D Kosher Service Dairy

Product Details

UPC / SKU 22562
DSLD Entry Date 2023-12-14
Product Type Other Combinations
Form Softgel Capsule
Brand 4Life
DSLD ID 301057
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
View all evidence for Zinc →

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