Barlean's Olive Leaf Complex Natural, 16 fl oz supplement bottle
Barlean's

Olive Leaf Complex Natural, 16 fl oz

What We Researched
16 active ingredients analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
55
Product Score Poor
79
Brand Score Fair

Product Analysis

Transparency Very Poor

Supplement Facts

IngredientAmount% DV
Olive LeafComplex: *
Oleuropein (Standardized) 95 mg *
Verbacoside *
Hydroxytyrosol *
Hydroxytyrosol-glucoside *
Tyrosol *
Caffeic Acid *
Syringic Acid *
Apigenin *
Diosmetin *
Quercetin *
Rutin *
Luteolin *
Erythrodiol *
Luteolin-7-0-glucoside *
Bioavailability Fair

Absorption Rating

  • Olive LeafComplex: Fair
  • Hydroxytyrosol Good
  • Hydroxytyrosol-glucoside Good
  • Apigenin Fair
  • Diosmetin Poor
  • Quercetin Fair
  • Rutin Fair
  • Luteolin Fair
  • Luteolin-7-0-glucoside Fair
Other Ingredients Excellent

Fillers & Additives

  • Glycerine
  • Water
  • Olea europaea olive leaves extract and natural flavors
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Calories from Fat 0
Olive LeafComplex: *
Oleuropein (Standardized) 95 mg *
Verbacoside *
Hydroxytyrosol *
Hydroxytyrosol-glucoside *
Tyrosol *
Caffeic Acid *
Syringic Acid *
Apigenin *
Diosmetin *
Quercetin *
Rutin *
Luteolin *
Erythrodiol *
Luteolin-7-0-glucoside *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Glycerine Generally_safe

It is used to dissolve ingredients, retain moisture, and add sweetness.

Water Safe

Dissolves and carries water-soluble ingredients.

Olea europaea olive leaves extract and natural flavors Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$44$43$42$41$40 Mar 12 $41.89
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Barlean's

Founded 1989 · Ferndale, Washington, USA · 72 products · barleans.com/

Certifications

4 certifications
Consumerlab Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source

Violation History

2 incidents
Prop 65 Lead2018-07-17Source
Lawsuit False advertising, unsubstantiated health claims, and failure to disclose lead content in violation of California's Proposition 65 for its Greens Supplement Powders.2018Source
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Frequently Asked Questions
Is Barlean's Olive Leaf Complex Natural, 16 fl oz a good supplement?

Barlean's Olive Leaf Complex Natural, 16 fl oz received a product quality score of 55/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 16 active ingredients with 26 servings per container. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Barlean's, holds a brand trust score of 79/100 with 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified.

What are the ingredients in Barlean's Olive Leaf Complex Natural, 16 fl oz?

Barlean's Olive Leaf Complex Natural, 16 fl oz contains 16 active ingredients: Calories from Fat (0), Olive LeafComplex:, Oleuropein (Standardized) (95 mg), Verbacoside, Hydroxytyrosol, Hydroxytyrosol-glucoside, and 10 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Barlean's Olive Leaf Complex Natural, 16 fl oz safe to take?

Barlean's Olive Leaf Complex Natural, 16 fl oz has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Barlean's a trustworthy supplement brand?

Barlean's receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Ferndale, Washington, USA, the company offers 72 products in their lineup. They hold 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Barlean's has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.