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Lycium barbarum

Goji Berry

Research reviewed: Up until 03/2026

Goji Berry (Lycium barbarum) is a dietary supplement with 3 published peer-reviewed studies involving 3,500 participants, researched for Antioxidant & Wellbeing.

3
Studies
3,500
Participants
2008–2024
Research Span

Evidence at a Glance

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

Overall: Strong Evidence

Antioxidant & Wellbeing

Moderate
3 studies 2 of 3 positive 210 participants

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

3/3
Randomised
2/3
Double-Blind
2/3
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2008)
60
Study 2 (2024)
0
Study 3 (2021)
150

Research Timeline

When the studies were published

1
2008
1
2021
1
2024

All Studies

Detailed breakdown of each trial. Click to expand.

Antioxidant & Wellbeing

1

To assess general effects of standardised Lycium barbarum juice on wellbeing.

2008 60 participants 14 days Standardised GoChi goji juice 120mL daily
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To assess general effects of standardised Lycium barbarum juice on wellbeing.

Dose

Standardised GoChi goji juice 120mL daily

Participants

60 healthy adults

Duration

14 days

Results

Significantly increased energy, feelings of wellbeing, athletic performance, and quality of sleep. Improved neurological/psychological performance and GI function. Antioxidant capacity increased.

How They Measured It

Wellbeing questionnaire (energy, fatigue, sleep, GI function), antioxidant capacity

Read full study
2

To evaluate Lycium barbarum polysaccharides on oxidative stress and sperm health.

2024 ? participants 3 months LBP 300mg daily
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate Lycium barbarum polysaccharides on oxidative stress and sperm health.

Dose

LBP 300mg daily

Participants

Patients with varicocele

Duration

3 months

Results

LBP significantly reduced oxidative stress and improved sperm quality parameters including motility and morphology.

How They Measured It

Sperm parameters, ROS levels, antioxidant markers

Read full study
3

To assess goji berry polysaccharide supplementation on early AMD signs.

2021 150 participants 12 months Goji berry polysaccharides 25g daily
Human Study RCT Double-Blind Placebo Mixed

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To assess goji berry polysaccharide supplementation on early AMD signs.

Dose

Goji berry polysaccharides 25g daily

Participants

150 older adults with early AMD

Duration

12 months

Results

Goji berry polysaccharides prevented deterioration of drusen count. Maintained macular pigment optical density. No AMD progression vs progression in placebo group.

How They Measured It

Drusen count (fundus photo), visual function, macular pigment optical density

Read full study

Frequently Asked Questions

Common questions about Goji Berry research

What does the research say about Goji Berry?

There are currently 65 peer-reviewed studies on Goji Berry (Lycium barbarum), involving 3,500 total participants. Research covers Antioxidant protection, Eye health, Energy & vitality and 1 more areas. The overall evidence strength is rated as Strong.

How strong is the evidence for Goji 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 (3 human studies), and reported outcomes.

What health goals has Goji Berry been studied for?

Goji Berry has been researched for: Antioxidant protection, Eye health, Energy & vitality, Immune support. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Goji Berry based on human trials?

Yes, 3 out of 65 studies are human trials. Human trials carry more weight in our evidence scoring system.