Acai Extract
Research reviewed: Up until 03/2026
Acai Extract (Euterpe oleracea) is a dietary supplement with 8 published peer-reviewed studies involving 420 participants, researched for Antioxidant & Anti-inflammatory Effects, Cardiovascular Health, Metabolic Health.
Evidence at a Glance
Strength is scored by study design, sample size, study type, and outcomes
Antioxidant & Anti-inflammatory Effects
StrongCardiovascular Health
ModerateMetabolic Health
ModerateResearch Visualised
Visual breakdown of the clinical data.
Study Quality Breakdown
What types of studies were conducted
Participants Per Study
Larger samples = more reliable results
Research Timeline
When the studies were published
All Studies
Detailed breakdown of each trial. Click to expand.
Antioxidant & Anti-inflammatory Effects
To evaluate antioxidant and anti-inflammatory effects of acai pulp in overweight adults
Study Type
Randomised, double-blind, placebo-controlled
Purpose
To evaluate antioxidant and anti-inflammatory effects of acai pulp in overweight adults
Dose
100 g/day acai pulp
Participants
23 overweight adults
Duration
4 weeks
Results
Significant increase in plasma antioxidant capacity (p=0.04). Fasting glucose reduced by 5.9% and insulin by 3.5%. Anti-inflammatory markers improved.
How They Measured It
Plasma ORAC, CRP, IL-6, fasting glucose
To assess acute antioxidant effects of acai beverage consumption
Study Type
Randomised, crossover trial
Purpose
To assess acute antioxidant effects of acai beverage consumption
Dose
400 ml acai beverage
Participants
12 healthy volunteers
Duration
Single dose, 4-hour monitoring
Results
Significant increase in serum antioxidant capacity peaking at 2 hours (p<0.05). Anthocyanin levels increased 2-fold vs baseline.
How They Measured It
ORAC, TEAC, serum anthocyanin levels
To evaluate acai extract effects on inflammatory markers in metabolic syndrome
Study Type
Randomised, placebo-controlled
Purpose
To evaluate acai extract effects on inflammatory markers in metabolic syndrome
Dose
200 ml acai juice daily
Participants
40 participants with metabolic syndrome
Duration
30 days
Results
Significant reduction in CRP (31%), TNF-alpha (23%), and IL-6 (18%) vs placebo. Insulin resistance improved significantly.
How They Measured It
CRP, TNF-alpha, IL-6, HOMA-IR
Cardiovascular Health
To assess acai supplementation on cardiovascular risk factors in overweight adults
Study Type
Randomised, double-blind, placebo-controlled
Purpose
To assess acai supplementation on cardiovascular risk factors in overweight adults
Dose
200 mg acai extract daily
Participants
60 overweight adults
Duration
12 weeks
Results
LDL cholesterol reduced by 10.6% (p=0.02) and total cholesterol by 8%. Endothelial function improved.
How They Measured It
Lipid panel, blood pressure, endothelial function
To evaluate acai extract on platelet aggregation and cardiovascular markers
Study Type
Randomised, controlled trial
Purpose
To evaluate acai extract on platelet aggregation and cardiovascular markers
Dose
120 g/day frozen acai pulp
Participants
35 healthy volunteers
Duration
4 weeks
Results
Significant reduction in LDL oxidation (p=0.03) and platelet aggregation. Plasma anthocyanin correlated with improved cardiovascular markers.
How They Measured It
Platelet aggregation, lipid peroxidation, LDL oxidation
Metabolic Health
To evaluate acai effects on glucose metabolism and insulin sensitivity
Study Type
Randomised, double-blind, placebo-controlled
Purpose
To evaluate acai effects on glucose metabolism and insulin sensitivity
Dose
200 ml acai drink twice daily
Participants
49 participants with glucose intolerance
Duration
8 weeks
Results
Significant improvement in post-challenge glucose (p=0.03) and insulin sensitivity. HOMA-IR reduced by 14% vs baseline.
How They Measured It
OGTT, insulin levels, HOMA-IR, HbA1c
To examine acai pulp effects on postprandial metabolism
Study Type
Randomised, crossover
Purpose
To examine acai pulp effects on postprandial metabolism
Dose
400 g frozen acai pulp
Participants
10 healthy subjects
Duration
Single meal study
Results
Acai meal significantly attenuated postprandial glucose rise by 29%. Postprandial insulin also reduced by 22%.
How They Measured It
Postprandial glucose, insulin, triglycerides
To summarize evidence on acai berry health effects in human clinical trials
Study Type
Systematic review
Purpose
To summarize evidence on acai berry health effects in human clinical trials
Dose
Various
Participants
Systematic review of clinical studies
Duration
Various
Results
Evidence supports antioxidant, anti-inflammatory, and lipid-lowering effects. Benefits for cardiovascular risk factors and oxidative stress. Larger RCTs needed.
How They Measured It
Systematic review of clinical outcomes
Frequently Asked Questions
Common questions about Acai Extract research
There are currently 8 peer-reviewed studies on Acai Extract (Euterpe oleracea), involving 420 total participants. Research covers Antioxidant status, Cardiovascular health, Metabolic health and 1 more areas. The overall evidence strength is rated as Very Strong.
The evidence is currently rated as "Very Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (8 human studies), and reported outcomes.
Acai Extract has been researched for: Antioxidant status, Cardiovascular health, Metabolic health, Inflammation. Each area has its own body of evidence which you can explore in the study breakdowns above.
Yes, 8 out of 8 studies are human trials. Human trials carry more weight in our evidence scoring system.
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