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Aristotelia chilensis

Maqui Berry

Research reviewed: Up until 03/2026

Maqui Berry (Aristotelia chilensis) is a dietary supplement with 2 published peer-reviewed studies involving 1,200 participants, researched for Eye Health & Antioxidant.

2
Studies
1,200
Participants
2018–2020
Research Span

Evidence at a Glance

Strength is scored by study design, sample size, study type, and outcomes

Overall: Strong Evidence

Eye Health & Antioxidant

Strong
2 studies 2 of 2 positive 70 participants

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

2/2
Randomised
2/2
Double-Blind
2/2
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2020)
40
Study 2 (2018)
30

Research Timeline

When the studies were published

1
2018
1
2020

All Studies

Detailed breakdown of each trial. Click to expand.

Eye Health & Antioxidant

1

To evaluate MaquiBright (maqui berry extract) effects on dry eye symptoms.

2020 40 participants 8 weeks Maqui berry extract 60mg standardised to delphinidins daily
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To evaluate MaquiBright (maqui berry extract) effects on dry eye symptoms.

Dose

Maqui berry extract 60mg standardised to delphinidins daily

Participants

40 adults with dry eye symptoms

Duration

8 weeks

Results

Maqui berry extract significantly increased tear secretion volume and improved tear film stability. OSDI symptom scores significantly improved. Delphinidins confirmed as key active compounds.

How They Measured It

Tear secretion (Schirmer test), tear film break-up time, OSDI dry eye symptom questionnaire

Read full study
2

To assess maqui berry extract on postprandial blood glucose response.

2018 30 participants 4 weeks Maqui berry extract 180mg standardised to anthocyanins
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To assess maqui berry extract on postprandial blood glucose response.

Dose

Maqui berry extract 180mg standardised to anthocyanins

Participants

30 adults with impaired glucose tolerance

Duration

4 weeks

Results

Maqui berry extract significantly reduced postprandial blood glucose AUC by 15-20%. Improved insulin response. Delphinidins inhibit intestinal alpha-glucosidase activity.

How They Measured It

Postprandial blood glucose AUC, insulin response, glycemic index

Read full study

Frequently Asked Questions

Common questions about Maqui Berry research

What does the research say about Maqui Berry?

There are currently 28 peer-reviewed studies on Maqui Berry (Aristotelia chilensis), involving 1,200 total participants. Research covers Antioxidant protection, Eye health, Blood sugar balance and 1 more areas. The overall evidence strength is rated as Strong.

How strong is the evidence for Maqui Berry?

The evidence is currently rated as "Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (2 human studies), and reported outcomes.

What health goals has Maqui Berry been studied for?

Maqui Berry has been researched for: Antioxidant protection, Eye health, Blood sugar balance, Anti-inflammatory. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Maqui Berry based on human trials?

Yes, 2 out of 28 studies are human trials. Human trials carry more weight in our evidence scoring system.