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Aci2.5
Acai Research
Mostly mechanism / observational
19 peer-reviewed studies
What the evidence says
Mostly mechanism / observational
Most Acai studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from high-quality meta-analyses and randomised trials published 2008–2026 with a typical study size of 30 participants.
Based on 19 studies · 1 meta-analysis · 10 RCTs · 511 total participants
Confidence
Moderate confidence
By outcome
Glucose & metabolicSmall short-term trials show modest HDL and antioxidant-enzyme shifts; no effect on glucose or lipid metabolism in metabolic-syndrome patients · 4-12 weeks (biomarker level only)
Too few graded studies1 study
Active research area
9 studies in the last 5 years · Latest meta-analysis: 2025
200820172026
1Review2025
In plain English: This review aims to highlight the studies emerging in the last five years regarding what can be considered "skin-friendly" foods in contrast to what can be considered "skin-unfriendly" habits, taking into consideration studies regarding the innovations recently developed in terms of nutrients and skin aging strategies.
Tranchida N, Molinari F, Franco GA, Cordaro M, Di Paola R. · Food science & nutrition (2025)
Açai berries, Moringa oleifera , and spirulina are just some of the emerging nutrients that counteract skin aging because of their potent antioxidant properties.
Conversely, foods high in trans-fatty acids, refined sugars are related to accelerated skin aging as they are associated with the production of advanced glycation end products.
Due to the interest generated in recent years on the subject, a subspecialty of anti-aging medicine called "nutricosmetics" has even emerged.
Carvalho Sette Abrantes L, Oliveira LA, Dias KA, Cupertino Fialho T, Vitória Cipriana Martins K, da Silva Paes S, Fernandes Lacerda G, Vitória Dos Santos Nazário K, Pereira SMS, Della Lucia CM. · Critical reviews in food science and nutrition (2026)
Beneficial effects were also observed on intestinal barrier integrity, including increased expression of Mucin-2 and Claudin-1, and maintenance of Zonula occludens-1 and Claudin-3 levels.
An increased SCFA production, a reduction in intestinal inflammation, and modulation of oxidative stress were reported.
These findings highlight the potential of Brazilian berries as allies in nutritional and therapeutic strategies aimed at promoting gut health.
In plain English: The consumption of the above-mentioned berries particularly acai berry, blueberry, and boysenberry primarily reduces free radicals and inflammatory compounds thereby promoting a healthier life.
Jain S, Sivapragasam N, Maurya A, Tiwari S, Dwivedy AK, Thorakkattu P, Koirala P, Nirmal N. · Current nutrition reports (2025)
Recent findings These berries are dense in various polyphenols, vitamins, minerals, and fatty acids.
These bioactive compounds have proven to exhibit various in-vitro and in-vivo biological activities including antioxidant, anti-inflammatory, antidiabetic, neuroprotective, cardioprotective, anti-cancer, etc.
The consumption of the above-mentioned berries particularly acai berry, blueberry, and boysenberry primarily reduces free radicals and inflammatory compounds thereby promoting a healthier life.
In plain English: As studies remain largely unexplored, this narrative review discusses the possible health-beneficial effects for patients with NCDs.
Lima LS, Ribeiro M, Cardozo LFMF, Moreira NX, Teodoro AJ, Stenvinkel P, Mafra D. · Current nutrition reports (2024)
Recent findings Studies evaluating the chemical composition of these fruits have observed a high content of nutrients and bioactive compounds.
Such components are associated with significant biological effects in treating various non-communicable diseases (NCDs) and related complications.
Regular intake of these fruits from Amazonas emerges as a potential therapeutic approach to preventing and treating NCDs as a nutritional strategy to reduce the incidence or mitigate common complications in these patients, which are the leading global causes of death.
In plain English: Although the direct effect of microbiome bioconversion of botanical supplements is largely unexplored due to the complexity of both systems, this review provides a framework for research to determine the bidirectional effects of botanicals and gut microbiota on human health.
Ponte AT, Liu A, Acquah KS, Balunas MJ. · Journal of natural products (2026)
Herein, we summarize the chemistry of microbial biotransformations of botanical supplements, highlighting key enzymatic transformations.
The reciprocal interactions between four widely used botanical supplements and the human gut microbiome are outlined including green tea, açai, red wine, and mangosteen.
Their microbial metabolism and modulation of human gut microbiota is discussed, highlighting the various enzymes and metabolites reported from relevant literature.
In plain English: Preclinical in vivo and in vitro pharmacological studies were utilized to investigate the learning and memory effects of the pulp and seed of the açaí fruit, focusing on antioxidant, anti-inflammatory, antiapoptotic, and autophagy restoration actions.
Ferreira FDS, de Mattos JLA, da Silva PHF, da Costa CA, Ognibene DT, Resende AC, de Bem GF. · Plants (Basel, Switzerland) (2025)
Moreover, many studies have demonstrated the pharmacological potential of açaí, mainly the pulp and seed of the fruit, due to its chemical composition, which significantly consists of polyphenols.
Therefore, this review aims to evaluate the potential role of açaí fruit in preventing or treating cognitive deficits, highlighting its potential in Alzheimer's disease therapy.
Preclinical in vivo and in vitro pharmacological studies were utilized to investigate the learning and memory effects of the pulp and seed of the açaí fruit, focusing on antioxidant, anti-inflammatory, antiapoptotic, and autophagy restoration actions.
In plain English: We concluded that AS increased the TEAC and promoted faster recovery of the knee flexors IPT when compared to GP.
Dos Reis TMP, Aguiar GG, de Azevedo LP, Silva Lima E, André Dellagrana R, Rossato M. · Research in sports medicine (Print) (2024)
A time-treatment interaction was observed for TEAC ( p = 0.01), in which the GA presented increases of 11% after 24 h.
Similarly, time-treatment interaction was observed for knee flexors IPT ( p = 0.02), where GA showed superior recovery after 24 h (GA = 108 ± 23 vs.
No significance was observed in the fatigue index for knee extensors ( p = 0.75) and flexors ( p = 0.89), indicating similar fatigue in both situations.
In plain English: Findings from this small pilot study provide a weak indication that the selected dose of açaí polyphenols may be beneficial in metabolic syndrome as only two biomarkers for inflammation and oxidative stress were improved over 12 weeks.
Kim H, Simbo SY, Fang C, McAlister L, Roque A, Banerjee N, Talcott ST, Zhao H, Kreider RB, Mertens-Talcott SU · Food Funct (2018)
Randomized, double-blind, placebo-controlled pilot in 37 metabolic-syndrome patients over 12 weeks
Plasma IFN-γ and urinary 8-isoprostane decreased significantly vs placebo
NO significant change in any lipid- or glucose-metabolism biomarker
In plain English: The results indicated a positive impact of regular consumption of açaí and juçara juices on the HDL-c levels, as well as on the antioxidant enzyme activities, which may contribute to cardiovascular health.
de Liz S, Cardoso AL, Copetti CLK, Hinnig PF, Vieira FGK, da Silva EL, Schulz M, Fett R, Micke GA, Di Pietro PF · Clin Nutr (2020)
Randomized crossover in 30 healthy adults, 200 mL/day for 4 weeks
HDL-c rose 7.7% and antioxidant enzymes (catalase, GPx) increased vs baseline
No significant intergroup differences for any outcome (P > 0.05)