Supplement analysis backed by scientific evidence · PT

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Limited evidenceLongevity & antioxidants

Acai Extract

Açaí pulp is genuinely rich in anthocyanins, but the "superfood" reputation rests on antioxidant assays rather than outcomes: a 2025 meta-analysis of 8 trials found no effect on cholesterol or triglycerides, with low to very low certainty.

What the science says

  • Improves cholesterol and triglycerides Limited evidence

    A 2025 systematic review and meta-analysis pooling 411 participants across 8 trials found no significant effect of açaí on LDL-C (MD +6.06 mg/dL, 95% CI -0.03 to 12.48), HDL-C (+0.30 mg/dL), total cholesterol (+2.94 mg/dL) or triglycerides. GRADE certainty was rated low to very low. The only significant pooled finding was a reduction in "total lipids," a soft outcome of unclear clinical meaning.

  • Raises antioxidant capacity and HDL Limited evidence

    In a 4-week randomized crossover trial in healthy adults, açaí and juçara juices (roughly 200 mL/day) modestly raised HDL-C and some antioxidant-defense markers. These are surrogate biomarkers in a small crossover study, and the trial drew published methodological criticism in the same journal.

  • High ORAC score means real health benefits Limited evidence

    Açaí's marketing leans on ORAC antioxidant rankings, a measure the USDA withdrew from its nutrient database in 2012 as having no demonstrated relevance to human health. In vitro antioxidant capacity has never predicted clinical outcomes for any fruit, and it does not here.

Dosage & safety

Studied doseHuman trials used 200–300 mL/day of açaí pulp or juice (roughly 100–200 g pulp) for 4 weeks, or about 12.5 g/day of freeze-dried pulp. Typical capsule products supplying 500–1000 mg of "açaí extract" deliver a small fraction of the anthocyanin dose used in trials and have essentially no direct evidence at that dose.
SafetyWell tolerated as a food. Açaí pulp is calorie-dense (roughly 70–100 kcal per 100 g, mostly fat), so "açaí bowls" are not a low-calorie food. In the Brazilian Amazon, unpasteurised açaí pulp is a documented vehicle for oral transmission of Chagas disease (Trypanosoma cruzi) — use only pasteurised product. Açaí was the subject of US FTC enforcement actions against "free trial" weight-loss and colon-cleanse scams; treat any açaí product making rapid weight-loss claims as fraudulent.

Scientific references

Where to buy

Source Naturals, Acai Extract, 500 mg, 120 Capsules

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