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Barlean's Olive Leaf Complex Natural supplement bottle
Barlean's

Olive Leaf Complex Natural Review

What We Researched
16 active ingredients analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
55
Product Score Poor
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

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
Brand Trust Report
Barlean's

Founded 1989 · Ferndale, Washington, USA · 123 products · barleans.com/

Certifications

5 certifications
Consumerlab Source available Primary evidence
Non Gmo Project Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
IGEN Non-GMO Tested Supporting evidence unavailable

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Verified Evidence available Evidence
Coa Availability — True Brand claim; evidence unavailable

Violation History

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

Barlean's Olive Leaf Complex Natural 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, 2 are rated safe and 0 ingredients are flagged for review. The manufacturer, Barlean's, holds a brand trust score of 100/100.

What are the ingredients in Barlean's Olive Leaf Complex Natural?

Barlean's Olive Leaf Complex Natural 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 safe to take?

GoodSupp reviewed the inactive-ingredient data available for Barlean's Olive Leaf Complex Natural. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. 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 100/100 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 123 products in their lineup. 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 — read our methodology. 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.