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Hippophae rhamnoides

Sea Buckthorn

Research reviewed: Up until 03/2026

Sea Buckthorn (Hippophae rhamnoides) is a dietary supplement with 3 published peer-reviewed studies involving 105 participants, researched for Skin & Cardiovascular Health, Metabolic Health & Blood Sugar.

3
Studies
105
Participants
2000–2022
Research Span

Evidence at a Glance

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

Overall: Moderate Evidence

Skin & Cardiovascular Health

Strong
2 studies 2 of 2 positive 105 participants

Metabolic Health & Blood Sugar

Weak
1 study 1 of 1 positive 0 participants 0 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

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

Participants Per Study

Larger samples = more reliable results

Study 1 (2000)
45
Study 2 (2014)
60
Study 3 (2022)
0

Research Timeline

When the studies were published

1
2000
1
2014
1
2022

All Studies

Detailed breakdown of each trial. Click to expand.

Skin & Cardiovascular Health

1

To evaluate sea buckthorn oil effects on skin moisture, elasticity, and dryness.

2000 45 participants 12 weeks Sea buckthorn seed oil 5g daily
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To evaluate sea buckthorn oil effects on skin moisture, elasticity, and dryness.

Dose

Sea buckthorn seed oil 5g daily

Participants

45 healthy women with dry skin

Duration

12 weeks

Results

Sea buckthorn oil significantly improved skin moisture, reduced transepidermal water loss, and improved elasticity. Omega-7 (palmitoleic acid) identified as key active component.

How They Measured It

Transepidermal water loss, skin elasticity, moisture content, erythema index

Read full study
2

To assess sea buckthorn extract effects on cardiovascular risk markers.

2014 60 participants 12 weeks Sea buckthorn berry extract 900mg daily
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To assess sea buckthorn extract effects on cardiovascular risk markers.

Dose

Sea buckthorn berry extract 900mg daily

Participants

60 healthy adults with borderline lipid levels

Duration

12 weeks

Results

Significant reduction in LDL cholesterol and platelet aggregation. HDL increased. Blood pressure reduced. Cardiovascular benefits attributed to flavonoids and carotenoids.

How They Measured It

LDL, HDL, total cholesterol, blood pressure, platelet aggregation

Read full study

Metabolic Health & Blood Sugar

3

To evaluate the effects of sea buckthorn (Hippophae rhamnoides) on factors related to metabolic syndrome.

2022 ? participants Various Various forms and doses across included trials
Review/Other Positive

Study Type

Systematic Review and Meta-Analysis

Purpose

To evaluate the effects of sea buckthorn (Hippophae rhamnoides) on factors related to metabolic syndrome.

Dose

Various forms and doses across included trials

Participants

Meta-analysis of multiple RCTs

Duration

Various

Results

Sea buckthorn supplementation significantly reduced fasting blood glucose, triglycerides, total cholesterol, and blood pressure in subjects with metabolic syndrome components.

How They Measured It

Meta-analysis of RCTs; blood glucose, lipid profile, blood pressure, waist circumference

Read full study

Frequently Asked Questions

Common questions about Sea Buckthorn research

What does the research say about Sea Buckthorn?

There are currently 3 peer-reviewed studies on Sea Buckthorn (Hippophae rhamnoides), involving 105 total participants. Research covers Skin health, Cardiovascular health, Liver support and 1 more areas. The overall evidence strength is rated as Moderate.

How strong is the evidence for Sea Buckthorn?

The evidence is currently rated as "Moderate 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 Sea Buckthorn been studied for?

Sea Buckthorn has been researched for: Skin health, Cardiovascular health, Liver support, Immune support. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Sea Buckthorn based on human trials?

Yes, 2 out of 3 studies are human trials. Human trials carry more weight in our evidence scoring system.

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