Drug & supplement interaction

Gluten-free Diet + Insulin Degludec

Insulin Degludec brand name: Tresiba.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Gluten-free Diet and Insulin Degludec in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Gluten-free Diet and Insulin Degludec

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Insulin Degludec and Gluten-free Diet in our sources. This does not guarantee that the combination is completely free of risk — research on Gluten-free Diet alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Gluten-free Diet at all — not against Insulin Degludec, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

Gluten-free Diet is an eating pattern rather than something you take. Ask your pharmacist or doctor before changing how you eat while on a prescribed medicine: some medicines are dosed around meals, and a change in diet can change how they work. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Gluten-free Diet safety at a glance

Gluten-free Diet overall Use caution Generally safe for those who need it, but can lower fiber and certain nutrients if not well planned.
Pregnancy Generally safe Appropriate and important during pregnancy for people with celiac disease, ideally with dietitian support.
Breastfeeding Generally safe A medically needed gluten-free diet is fine while breastfeeding; aim for balanced nutrition.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Insulin Degludec and Gluten-free Diet? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Gluten-free Diet Itself Has Been Linked To

This is not an interaction — nothing below involves Insulin Degludec. It is the side-effect record for Gluten-free Diet on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Gluten-free Diet, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • Low mood / Anemia Worth acting on Additional detail

    “Some research reports iron deficiency (anemia), malnutrition, anxiety and depression in people using the gluten free diet; however causality of these symptoms is unclear.”

    Gluten-free Diet · Natural Medicines adverse-effect record, reported in anemia.

  • Anxiety or restlessness Additional detail

    Recorded for Gluten-free Diet in the same Natural Medicines adverse-effect record shown under Low mood / Anemia above.

Everything above comes from the Natural Medicines adverse-effect record for Gluten-free Diet — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Insulin Degludec’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Insulin Degludec column appears here.

Overlapping uses

What Insulin Degludec Is Prescribed For, and What Gluten-free Diet Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Insulin Degludec is a prescription medicine with approved uses on its FDA label. Gluten-free Diet is an eating pattern: what follows is what researchers have looked at it for, and how strong that evidence is.

Insulin Degludec is prescribed for: Insulin degludec (brands: Insulin Degludec, Tresiba) is indicated to improve glycemic control (blood sugar management) in patients 1 year of age and older with diabetes mellitus — both type 1 and type 2. It is not recommended for treating diabetic ketoacidosis (a dangerous complication where acids build up in the blood). In patients with type 1 diabetes, it must be used together with a short-acting insulin.

Gluten-free Diet has been studied for:

  • Diabetes studied, not established Gluten-free Diet has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Gluten-free Diet for diabetes

    It is unclear if a gluten-free diet is beneficial for type 1 diabetes.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Insulin Degludec on your own; if you are taking Gluten-free Diet for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Insulin Degludec

This page covers Gluten-free Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Insulin Degludec page lists 239 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate), Agaricus Mushroom (moderate) and Agmatine (moderate).

By severity: 1 major · 208 moderate · 30 minor.

From our pharmacist’s overview on the Insulin Degludec page

“Insulin degludec (Tresiba) is a long-acting insulin meant to hold blood sugar steady around the clock, which means anything else that pushes glucose down can push it too far. That is the story for nearly all 239 ingredients on this page, and the list warrants genuine caution.”

Reviewed by 2 · Jul 18, 2026

Open the Insulin Degludec interaction page

How much people look this up

Where Gluten-free Diet and Insulin Degludec 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 Gluten-free Diet
Steady interest

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

29 days ago today
Medication Insulin Degludec
Top half

#1,018 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.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions. Gluten-free Diet is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Gluten-free Diet reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Gluten-free Diet and Insulin Degludec records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Eating pattern

About Gluten-free Diet

What is Gluten-free Diet?

  • Celiac disease
  • Non-celiac gluten sensitivity
  • Wheat allergy
  • Dermatitis herpetiformis
  • Digestive symptoms like bloating or diarrhea

A gluten-free diet removes wheat, barley, rye, and related grains. It is the proven, necessary treatment for celiac disease and dermatitis herpetiformis, and it helps some people with wheat allergy or non-celiac gluten sensitivity. For people without these conditions, there is no strong evidence that going gluten-free improves health, so talk with your doctor before making big diet changes.

Whole-food eating pattern; gluten-free packaged foods, flours, and breads

An interaction check asks whether these two react with each other — it does not ask whether Gluten-free Diet is a good idea for someone in your situation. Here is what our Gluten-free Diet record says about it on its own.

Gluten-free Diet: dosing

A gluten-free diet is not a pill, so there is no "dose." Instead, the goal for people who need it is to completely avoid gluten from wheat, barley, rye, and related grains, including hidden sources in sauces, processed foods, and even some medicines and supplements.Look for products labeled certified gluten-free, and read ingredient lists carefully. Working with a registered dietitian is the best way to follow the diet correctly while keeping your nutrition balanced.

From our Gluten-free Diet monograph — the full record covers uses, side effects and every documented interaction.

Read the full Gluten-free Diet monograph & all interactions
Medication

About Insulin Degludec (rDNA Origin) Injection

What Is Insulin Degludec (rDNA Origin) Injection Used For?

Brand name: Tresiba

Insulin degludec (brands: Insulin Degludec, Tresiba) is indicated to improve glycemic control (blood sugar management) in patients 1 year of age and older with diabetes mellitus — both type 1 and type 2.

It is not recommended for treating diabetic ketoacidosis (a dangerous complication where acids build up in the blood). In patients with type 1 diabetes, it must be used together with a short-acting insulin.

Most-Reported Side Effects for Insulin Degludec

From FAERS, the FDA’s public side-effect reporting system (24,909 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Blood glucose increased 3,929 reports
Nausea 1,601 reports
Blood glucose decreased 1,336 reports
Vomiting 1,069 reports
Diarrhea 1,038 reports
See full Insulin Degludec (rDNA Origin) Injection drug information
Keep checking

Other Drugs & Gluten-free Diet

Browse every other medication we’ve checked against Gluten-free Diet — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Gluten-free Diet References

The 2 sources that drive our Gluten-free Diet monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Gluten-free Diet is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Celiac Disease — MedlinePlus (NIH) Source
  2. Celiac Disease — NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Source

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Following Gluten-free Diet While Taking Insulin Degludec: Common Questions

Is it safe to follow Gluten-free Diet while taking Insulin Degludec?
We do not list a known interaction between Gluten-free Diet and Insulin Degludec. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Are Gluten-free Diet and Insulin Degludec used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Gluten-free Diet in each. That is a conversation for your prescriber, especially if Insulin Degludec is being adjusted to a target.
Does Insulin Degludec interact with any supplements?
Yes. Insulin Degludec has documented interactions with 239 supplements in our database — Gluten-free Diet is not one of them. The Insulin Degludec interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Insulin Degludec and Gluten-free Diet?

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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.