Apple Polyphenols + Insulin Glargine (rDNA)
Insulin Glargine (rDNA) brand name: Lantus.
Apple Polyphenols has a moderate interaction with Insulin Glargine (rDNA). In healthy adults, taking 900-1800 mg of a polyphenol-rich apple extract prior to a meal delays the time to peak postprandial blood glucose levels.
Read the full interaction reportApple Polyphenols and Insulin Glargine (rDNA)
Here is the interaction we found between these two, with the evidence behind it.
INSULIN
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..
Here's the simple version: concentrated apple polyphenol extracts (the studies used about 900 to 1800 mg before a meal) seem to slow how fast your blood sugar rises after eating. On their own that's mild, but when you stack that blood-sugar-lowering nudge on top of your Lantus, the two can add up. The concern is that your sugar could dip too low, giving you classic hypoglycemia signs like shakiness, sweating, a racing heart, confusion, or feeling lightheaded.
This is rated moderate and likely, though it's based on lower-quality human research. Eating an apple isn't the issue; the worry is concentrated supplement doses. If you want to try them, check your blood sugars more closely at first and let your pharmacist or doctor know, since your insulin timing or dose may need a small adjustment. Please don't change your Lantus on your own.
- Prpa EJ, Corpe CP, Atkinson B, et al. Apple polyphenol-rich drinks dose-dependently decrease early-phase postprandial glucose concentrations following a high-carbohydrate meal: a randomized controlled trial in healthy adults and in vitro studies. J Nutr B PubMed
What These Ratings Mean
Every interaction above is graded three ways — here’s the key to each label.
Clinically significant. Avoid the combination, or use only under close professional supervision.
Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.
Generally not serious. Be aware of it and mention it to your pharmacist.
- 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.
- 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.
Apple Polyphenols Also Interacts With Other Medications
Apple Polyphenols has 12 moderate known drug interactions in our database — the Insulin Glargine (rDNA) one above is one of them. If you take anything else, check it against the full list below.
Check Another of Your Medications Against Apple Polyphenols
We haven’t checked that one against Apple Polyphenols yet — ask our pharmacists directly.
Covers the 2,830 medications we’ve checked against Apple Polyphenols. Pick one to open its full report.
See Every Supplement That Interacts With Insulin Glargine (rDNA)
This page covers Apple Polyphenols only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Insulin Glargine (rDNA) page lists 242 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Chelation Therapy Products (major), Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate) and Agaricus Mushroom (moderate).
By severity: 2 major · 211 moderate · 29 minor.
From our pharmacist’s overview on the Insulin Glargine (rDNA) page
“This page for insulin glargine (Lantus) runs to 242 ingredients, and it earns real care, because nearly everything on it moves blood sugar while your basal insulin dose stays fixed. Most add to the glucose-lowering effect and raise the odds of a low.”
Reviewed by 2 · Jul 18, 2026
Where Apple Polyphenols and Insulin Glargine (rDNA) 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.
#564 of 1,452 supplements looked up here in the last 7 days
#1,940 of 2,830 medications looked up here in the last 7 days
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.
About Apple Polyphenols
What is Apple Polyphenols?
- High cholesterol
- High blood pressure
- Weight management
- Antioxidant support
- Blood sugar support
- Skin health (topical)
Apple polyphenols are antioxidant plant compounds taken from apples and marketed for heart, weight, and blood sugar health. Early research is interesting, but there is not enough reliable human evidence to confirm these benefits. They appear generally safe in food-like amounts, but talk with your pharmacist or doctor before using concentrated supplements.
About Insulin Glargine (rDNA origin) Injection
What Is Insulin Glargine (rDNA origin) Injection Used For?
Brand name: Lantus
Insulin glargine is used to improve glycemic control (blood sugar management) in adults and pediatric patients with type 1 diabetes mellitus, and in adults with type 2 diabetes mellitus. It is a long-acting basal insulin, meaning it works gradually over the course of the day to keep blood sugar steady.
Insulin glargine is not recommended for treating diabetic ketoacidosis (a serious complication where the blood becomes dangerously acidic).
Other Drugs & Apple Polyphenols
Browse every other medication we’ve checked against Apple Polyphenols — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
12 interactions
No interaction 2,817 drugs checked — show the list
We also checked Apple Polyphenols against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Metoprolol ›
- Aspirin ›
- Ivermectin ›
- Rivaroxaban ›
- Rosuvastatin ›
- Escitalopram ›
- Tadalafil ›
- Acetaminophen ›
- Clopidogrel ›
- Valacyclovir ›
- Atorvastatin ›
- Docusate ›
- Hydroxyurea ›
- Abemaciclib ›
- Methamphetamine ›
- Ibuprofen ›
- Sumatriptan ›
- Semaglutide ›
- Tirzepatide ›
- Warfarin Sodium ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Acyclovir ›
- Bupropion ›
- Metformin ›
- Amoxicillin ›
- Lisinopril ›
- Bendamustine ›
- Amitriptyline ›
- Doxycycline ›
- Lamotrigine ›
- Fluoxetine ›
- Methotrexate ›
- Acetaminophen, Codeine ›
- Gabapentin ›
- Amphetamine ›
- Pregabalin ›
- Isotretinoin ›
- Dextroamphetamine ›
- Azithromycin ›
- Clonazepam ›
- Quetiapine ›
- Omeprazole ›
- Amlodipine Besylate ›
- Methylene Blue ›
- Duloxetine ›
- Letrozole ›
- Buspirone ›
- Citalopram ›
- Ciprofloxacin ›
- Naproxen ›
Showing the 60 most looked-up of 2,817 medications checked with no known interaction — see the full Apple Polyphenols list.
Sources & How We Checked
Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference for vitamins, herbs and supplements — the basis for our interaction data.
- MedlinePlus, U.S. National Library of Medicine — NIH consumer drug information, used for the medication overviews.
- NIH Dietary Supplement Label Database (DSLD) — Official supplement product labels.
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
Insulin Glargine (rDNA) Is Linked to Lower Levels of 2 Nutrients
Natural Medicines records Insulin Glargine (rDNA) as a medicine that can lower these. This is not an interaction with Apple Polyphenols — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:
Read the full Insulin Glargine (rDNA) nutrient depletion report ›
Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.
Taking Apple Polyphenols and Insulin Glargine (rDNA) Together: Common Questions
Can you take Apple Polyphenols with Insulin Glargine (rDNA)?
How serious is the Apple Polyphenols and Insulin Glargine (rDNA) interaction?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.