Home/ Supplements/ Zinc/ Xtra-Cell PgP

Xtra-Cell PgP

product on market Capsule Douglas Laboratories Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 78% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Zinc, selenium, and copper are essential minerals with strong evidence supporting their roles in antioxidant defense and cellular function. Green tea extract provides polyphenols that may support metabolic health, though evidence for the proprietary blend is limited. The overall ingredient profile maintains a high safety score.

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 Xtra-Cell PgP
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
78%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
200 mcg (286% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
700 mcg (35% DV)
Within RDA (0.8× RDA) 37 studies (A:0, B:11)
Proprietary Blend
274 mg
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Tumeric root extract
200 mg
Market median: 250.0mg (562 products) 55 studies (A:0, B:19)
Market median: 60.0mg (94 products) 13 studies (A:0, B:7)
Market median: 1000.0mg (212 products) 12 studies (A:0, B:3)

Other Ingredients

Cellulose Rice Flour
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, take 2 capsules per day, preferably with meals or as directed by your healthcare professional.

Warnings & Precautions

Warning: Not intended for children under 12. Check with your healthcare professional prior to use if you are pregnant or lactating, have experienced recent surgery or have a cardiovascular condition.

KEEP OUT OF REACH OF CHILDREN.

Tamper resistant package, do not use if outer seal is missing

Formulation Notes

This product contains NO wheat gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

Additional Information

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formula #99464-60XC

Metadata

Product Details

UPC / SKU3 10539 02509 3
DSLD Entry Date2012-06-25
Product TypeBotanical with Nutrients
FormCapsule
BrandDouglas Laboratories
DSLD ID10409
Data Updated2026-04-11
Research

Research Evidence

397
Research Sources
55
Avg Quality
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 PubMed DOI
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 PubMed DOI
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
View all evidence for Zinc →
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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.