Douglas Labs

Olive Leaf Extract 500mg 120 capsules

Capsules

  • Quality · 82% of verified reviews
  • Practitioner Trust · 88% of verified reviews
  • Product Range · 75% of verified reviews
  • Value · 70% of verified reviews
★★★★☆ 4.6 (5.4K) 1 sources
See breakdown →
Manufacturing61
Lab Verification78
Review Consensus100.0
Brand-verified ·Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
$53.99
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Ingredients & product label

The complete ingredient list and product label have not yet been published for this item. Please check the manufacturer’s label or contact us before ordering if you need to confirm an ingredient or allergen.

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About Douglas Labs - Olive Leaf Extract 500mg 120 capsules

Douglas Labs Olive Leaf Extract delivers 500mg of standardized Olea europaea leaf extract per serving, a botanical long studied for its oleuropein content. It supports immune function and may help maintain healthy antioxidant activity, making it a practical option for those seeking plant-based immune and cardiovascular wellness support.

Why It's Worth Considering: Douglas Labs is a practitioner-trusted manufacturer with decades of third-party testing standards; this extract is standardized to ensure consistent oleuropein levels dose to dose.

Why Gabriel Recommends This

Quality & Trust Score: 83 Moderate Evidence
Quality Verified
Douglas Labs products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Label details
Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Douglas Labs maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.
Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Quality & Trust Score works →
Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Follow the directions on the label. Product-specific guidance hasn't been published for this item yet.
Ask Gabriel about timing & dosing →

Real Reviews. Real Sources.

4.6
5403 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (5403)
0 Clinical Research
iHerb
0 iHerb
Amazon
5403 Amazon
0 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
5.4K ratings aggregated across 1 sources · full-text reviews below
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Apotheca's Analysis · 50+ Signals Across 6 Dimensions
Practitioners recommend Douglas Labs products as part of comprehensive supplement protocols, reflecting strong professional trust in the brand.
Quality
82%
Practitioner Trust
88%
Product Range
75%
Value
70%
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Compatibility Guide

Compatibility Data Loading

Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for Douglas Labs - Olive Leaf Extract 500mg 120 capsules. This data will be available soon.

Research Behind This

Douglas Labs Product Quality Assessment
Quality & Trust Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Douglas Labs products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Douglas Labs is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement
Those who prioritize quality and transparency in supplements
People following a health protocol designed by their practitioner
Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement
Check for interactions with current medications
If pregnant or nursing, seek professional guidance first
Compare options using Apotheca's AI to find the best fit for your goals
Douglas Labs is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Douglas Labs is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.
Gabriel VerifiedQuality Analyzed

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Douglas Labs
Douglas Labs - Olive Leaf Extract 500mg 120 capsules
Quality & Trust Score
Strong quality signals. Meets recommended thresholds across most pillars.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
61
Lab Verification
78
Review Consensus
100.0
Practitioner Confidence
52.0
Community & Social
56
Transparency
70
Consumer & Practitioner Intelligence
★★★★☆ 4.6 from 5403 reviews across 1 sources
Amazon 5403
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Quality & Trust Score works