Drug & supplement interaction

Apple Cider Vinegar + Acarbose

Acarbose brand names: Precose, Prandase, Glucobay.

Minor Interaction
Medically reviewed by · Updated September 2026
The bottom line Minor

Apple Cider Vinegar has a minor interaction with Acarbose. Theoretically, taking apple cider vinegar with antidiabetes drugs might increase the risk of hypoglycemia.

Read the full interaction report
SeverityMinor
LikelihoodPossible
EvidenceB
What do Severity, Likelihood & Evidence mean?
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Interaction report

Apple Cider Vinegar and Acarbose

Here is the interaction we found between these two, with the evidence behind it.

Minor

ANTIDIABETES DRUGS

Why this applies to Acarbose

Acarbose falls under ANTIDIABETES DRUGS — the group Apple Cider Vinegar interacts with.

Theoretically, taking apple cider vinegar with antidiabetes drugs might increase the risk of hypoglycemia.
Apple cider vinegar might reduce fasting and postprandial blood glucose levels and decrease gastric emptying in people with diabetes. However, not all research agrees. Theoretically, it might have additive effects on glucose levels when used with antidiabetes drugs.
Severity Minor Likelihood Possible Evidence B

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.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the thing to keep in mind with acarbose (Precose) and apple cider vinegar: both work in a similar direction. Acarbose slows how fast your body breaks down carbs after a meal, and ACV may do something similar by slowing stomach emptying and blunting the rise in blood sugar. Stacked together, they could nudge your post-meal numbers a little lower than acarbose alone would.

Honestly, this is a minor, mostly theoretical concern, and the research is mixed and not very strong. Acarbose by itself rarely causes low blood sugar, so a splash of diluted vinegar isn't likely to be a problem. Still, if you notice shakiness, sweating, or feeling lightheaded, mention it to your pharmacist or doctor before changing anything.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Hlebowicz J, Darwiche G, Björgell O, Almér LO. Effect of apple cider vinegar on delayed gastric emptying in patients with type 1 diabetes mellitus: a pilot study. BMC Gastroenterol 2007;7:46. PubMed
  2. Johnston CS, Kim CM, Buller AJ. Vinegar improves insulin sensitivity to a high-carbohydrate meal in subjects with insulin resistance or type 2 diabetes. Diabetes Care 2004;27:281-2. PubMed
  3. Hadi A, Pourmasoumi M, Najafgholizadeh A, Clark CCT, Esmaillzadeh A. The effect of apple cider vinegar on lipid profiles and glycemic parameters: a systematic review and meta-analysis of randomized clinical trials. BMC Complement Med Ther 2021;21(1):179. PubMed
  4. Feise NK, Johnston CS. Commercial vinegar tablets do not display the same physiological benefits for managing postprandial glucose concentrations as liquid vinegar. J Nutr Metab 2020;2020:9098739. PubMed
  5. Gheflati A, Bashiri R, Ghadiri-Anari A, Reza JZ, Kord MT, Nadjarzadeh A. The effect of apple vinegar consumption on glycemic indices, blood pressure, oxidative stress, and homocysteine in patients with type 2 diabetes and dyslipidemia: A randomized contro

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction 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.
  • PossibleInteraction 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.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Apple Cider Vinegar Also Interacts With Other Medications

Apple Cider Vinegar has 89 moderate, 72 minor known drug interactions in our database — the Acarbose one above is one of them. If you take anything else, check it against the full list below.

Moderate 89 Minor 72 No known interaction 2,669 (incl. Acarbose)
Taking anything else?

Check Another of Your Medications Against Apple Cider Vinegar

Covers the 2,830 medications we’ve checked against Apple Cider Vinegar. Pick one to open its full report.

From our Q&A

Questions About Apple Cider Vinegar or Acarbose

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Apple Cider Vinegar or Acarbose, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Acarbose

This page covers Apple Cider Vinegar only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Acarbose page lists 281 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Siberian Cocklebur (major), Wine (major) and Acai (moderate).

By severity: 4 major · 240 moderate · 37 minor.

From our pharmacist’s overview on the Acarbose page

“Acarbose (Precose, Glucobay) is taken with meals to blunt the blood sugar rise after eating, and its supplement list calls for genuine care, starting with the four major-rated entries: heavy alcohol and the herb Siberian cocklebur can strain the liver alongside acarbose, while activated charcoal can soak up oral drugs and cut what reac…”

Reviewed by 2 · Jul 18, 2026

Open the Acarbose interaction page

One more smart check

Taking Apple Cider Vinegar as Part of a Dietary Supplement Product? Check It for Interactions

We hold 1,329 real supplement products containing Apple Cider Vinegar, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Apple Cider Vinegar. Your product may carry other ingredients that interact with Acarbose too, on top of Apple Cider Vinegar — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Apple Cider Vinegar and Acarbose Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Apple Cider Vinegar
Top 10%

#119 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Acarbose
Steady interest

#1,590 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Supplement

About Apple Cider Vinegar

What is Apple Cider Vinegar?

Apple Cider Vinegar
  • Blood sugar support
  • Weight management
  • Digestive upset
  • Appetite control
  • Skin and hair care

Apple cider vinegar is a fermented apple product that many people use hoping to help with blood sugar, weight, or digestion. The evidence for most of these uses is limited and mixed, and the modest effects seen in small studies are not a substitute for proven treatments. When diluted and used in small amounts it is generally safe for most people, but undiluted vinegar can harm teeth and the throat.

Read the full Apple Cider Vinegar monograph & all interactions
Medication

About Acarbose

What Is Acarbose Used For?

Brand names: Precose, Prandase, Glucobay

Acarbose tablets are used to help control blood sugar in adults with type 2 diabetes. They are always used together with a proper diet and regular exercise — not as a replacement for them.

Acarbose can be used on its own or combined with other diabetes medicines such as sulfonylureas, insulin, or metformin to get better blood sugar control.

See full Acarbose drug information
Keep checking

Other Drugs & Apple Cider Vinegar

Browse every other medication we’ve checked against Apple Cider Vinegar — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
89Moderate
72Minor
2,668No known interaction
89 Moderate 72 Minor 2,668 No interaction
Moderate

89 interactions

Showing 60 of 89 moderate interactions — see all 89 on the Apple Cider Vinegar page.

Minor

72 interactions

Showing 60 of 72 minor interactions — see all 72 on the Apple Cider Vinegar page.

No interaction 2,668 drugs checked — show the list

We also checked Apple Cider Vinegar against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,668 medications checked with no known interaction — see the full Apple Cider Vinegar list.

See the full Apple Cider Vinegar interactions page
See every supplement checked against Acarbose, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Apple Cider Vinegar monograph › Uses, safety, and every drug interaction in one place Acarbose supplement interactions › Every supplement checked against Acarbose, ranked by severity Acarbose drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Apple Cider Vinegar and Acarbose Together: Common Questions

Can you take Apple Cider Vinegar with Acarbose?
There is only a minor interaction, which is usually not serious. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Apple Cider Vinegar and Acarbose interaction?
We rate it Minor. This interaction is generally not clinically significant, but it remains worth noting and discussing with your pharmacist.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Acarbose and Apple Cider Vinegar?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.