Olive Leaf by Higher Nature — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Capsule(s) Serving Size

Botanical with Nutrients Product Type

50% Evidence Coverage

Supplement Facts — Evidence Check

Zinc

2 mg (20% DV)

✅ Within RDA (0.2× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 2mg UL 40mg

Olive leaf extract

450 mg

📊 Market median: 500.0mg (115 products)

Median 500.0mg This product: 450mg

Other Ingredients

Olive Leaf Extract Hydroxypropyl Methylcellulose Zinc Citrate

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (100% of products) Structure/Function (86% of products) Nutrient (7% of products) Approved Health (1% of products) Qualified Health (1% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: Take 1-3 capsules a day 30 minutes before meals, spread throughout the day, building gradually. Do not exceed recommended daily intake. Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle.

⚠️ Warnings & Precautions

Storage: Store in a cool, dry place out of reach of children.

🧪 Formulation Notes

Free from: Artificial colours, flavourings or preservatives, dairy products, gluten, lactose, salt, soya, starch, sugar, wheat, yeast.

Body health Immune support optimal benefit

90 mg oleuropein with zinc for immune support

Vegetarian and vegan

Olive leaf contains naturally occurring oleuropein Zinc contributes to normal function of the immune system

Additional Information

This product has not been tested on animals.

Storage: Store in a cool, dry place out of reach of children.

Product Details

UPC / SKU 5 031013 109096

DSLD Entry Date 2023-03-22

Product Type Botanical with Nutrients

Form Capsule

Brand Higher Nature

DSLD ID 275924

Data Updated 2026-04-11

Research Evidence

5 Research Sources

47 Avg Quality Score

4 Clinical Trial

1 Rct

B Low Dose Monacolin K Combined with Coenzyme Q10, Grape Seed, and Olive Leaf Extracts Lowers LDL Cholesterol in Patients with Mild Dyslipidemia: A Multicenter, Randomized Controlled Trial

Rct Nutrients 2023

PubMed DOI

C Effect of a Supplement Containing Olive Leaf Extract and Vitamins on Performance of Male Elite Cyclists

Clinical Trial ClinicalTrials.gov 2025

ClinicalTrials.gov

C Olive Leaf Extract in Handball Players

Clinical Trial ClinicalTrials.gov 2025

ClinicalTrials.gov

C Effects of Enzymatic Digestion and Probiotic on Oleuropein Bioavailability

Clinical Trial ClinicalTrials.gov 2020

ClinicalTrials.gov

C Olive Leaf Extract as Part of a Healthy Lifestyle in the Reduction of Blood Pressure