Herb & supplement monograph

Acai Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated June 2026

What is this page for?

First and foremost: how Acai interacts with medications. The heart of this page is the interaction list — every drug Acai is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Acai is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Reviewed by licensed pharmacists Sourced from Natural Medicines

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Acai Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Acai drug interaction appears low for most people. None of the listed interactions are rated major, and while many are graded moderate, the supporting evidence is weak, coming mostly from preliminary or theoretical research.

Interactions deserving the most attention

The interaction that deserves the most attention involves diabetes medications. Early research in healthy adults found that acai may either raise or lower fasting blood sugar, and the results have pointed in both directions. Because blood sugar control depends on steady, predictable medication effects, people taking insulin or other glucose-lowering drugs should watch for unexpected changes in their readings while using acai.

What the rest of the list means

The long list of interacting medications largely traces back to this single concern about blood sugar, applied across the many drugs used to treat diabetes. A high number of listed interactions does not mean each combination is harmful. The evidence here is preliminary and conflicting, and no interaction with acai has been firmly established in well-controlled human studies.

Check your medications against Acai

Based on HelloPharmacist’s Acai interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Acai

86 medications have a known interaction with Acai, graded by severity. Select any drug for the full evidence-based detail.

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Acai using our pharmacist-reviewed interaction data.

AI summaries are generated from our Acai interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
Each drug listed above links to the full report for that exact Acai combination — clinical detail, likelihood, evidence level, and citations.
Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

The big picture

The kinds of drugs Acai affects

Every type of medication (drug category) Acai is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Acai interacts with

Antidiabetes Drugs

Theoretically, taking acai with antidiabetes drugs might interfere with glycemic control.
Preliminary clinical research in healthy adults has shown that taking acai may increase or decrease levels of fasting blood glucose.

Likelihood Possible Evidence D

Monograph

Acai: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed June 2026 ·

The bottom line

Acai is a nutritious Amazonian berry rich in antioxidants and healthy fats, and it is fine to enjoy as a food. However, strong human evidence is lacking for the bold health claims often attached to acai supplements, including weight loss and disease prevention.

Scientific name: Euterpe oleracea
Family: Arecaceae
Part used: Fruit (berry) and its pulp
Common forms: Juice, frozen pulp, smoothie packs, powder, capsules, tablets

People commonly use it for

Antioxidant support
Weight loss
Energy and vitality
Heart health
General wellness ('superfood')

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance

OverallUse caution

Acai is generally well tolerated as a food, but supplement quality and high-dose effects are not well studied.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full pregnancy detail

BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Jump to a section

Overview

Acai (pronounced ah-sah-EE) is a small, dark purple berry that grows on the acai palm tree (Euterpe oleracea), native to the Amazon rainforest of Brazil and other parts of South America. The berry has a large seed and only a thin layer of edible pulp, which has a rich, slightly earthy flavor often described as a mix of berries and chocolate.

For centuries, people in the Amazon region have eaten acai as a staple food. In recent years it has become popular worldwide as a so-called 'superfood,' sold as juice, frozen pulp, smoothie bowls, powders, and capsules. Much of its popularity comes from its high antioxidant content and marketing claims about weight loss, energy, and overall health.

How it works

Acai berries contain plant compounds called anthocyanins and other polyphenols, which give the berry its deep purple color and act as antioxidants. Antioxidants help neutralize unstable molecules called free radicals, which can damage cells.

The berry also provides heart-healthy fats (similar to those in olive oil), fiber, and various vitamins and minerals. Researchers believe these compounds may help reduce inflammation and oxidative stress.

It is important to know that most of this research comes from laboratory and animal studies, or very small human trials. These findings do not prove that acai prevents or treats disease in people.

Effectiveness

Does Acai work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 10 uses evaluated

10 Insufficient evidence

How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.

2Likely EffectiveGood evidence, though not yet conclusive.

3Possibly EffectiveSome evidence suggests a benefit.

4Possibly IneffectiveSome evidence it may not help.

5Likely IneffectiveFairly strong evidence it doesn’t help.

6IneffectiveStrong evidence it doesn’t work.

7Insufficient Reliable Evidence to RateToo little research to say either way.

For Acai, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 10 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Aging skin