Drug & supplement interaction

Ribose + Inhaled Insulin

Inhaled Insulin brand name: Exubera.

Moderate Interaction
The bottom line Moderate

Inhaled Insulin falls into 2 drug categories that Ribose can interact with; the most serious is rated moderate. Theoretically, taking ribose in combination with antidiabetes drugs might increase the risk of hypoglycemia.

Read the full interaction report
SeverityModerate
LikelihoodProbable
Interactions2
EvidenceB
What do Severity, Likelihood & Evidence mean?
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Interaction report

Ribose and Inhaled Insulin

These two interact in 2 distinct ways. Each one is explained separately below.

Why Are There 2 Interactions?

Ribose interacts with whole categories of medication. Inhaled Insulin falls into 2 of those categories, so it can interact with Ribose in 2 different ways. We’ve listed each one below — your overall risk is driven by the most serious of them (Moderate).

Moderate

ANTIDIABETES DRUGS

1 of 2

Why this applies to Inhaled Insulin

Inhaled Insulin falls under ANTIDIABETES DRUGS — the group Ribose interacts with.

Theoretically, taking ribose in combination with antidiabetes drugs might increase the risk of hypoglycemia.
In clinical research, ribose decreases serum glucose levels in a dose-dependent manner.
Severity Moderate Likelihood Probable Evidence B

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..

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

Here's the thing to keep an eye on if you're using inhaled insulin (Exubera) and thinking about ribose. Inhaled insulin works just like injected insulin: it pulls sugar out of your blood to lower your glucose. Ribose, in clinical studies, has been shown to lower blood sugar on its own, and that effect gets bigger with higher doses. So stacking the two together could push your blood sugar lower than you intended.

In plain terms, that raises your chance of a low blood sugar (hypoglycemia) episode, which can show up as shakiness, sweating, dizziness, confusion, or feeling faint. This isn't a reason to panic, but please loop in your pharmacist or doctor before adding ribose. If you do try it, check your glucose more often so any drop gets caught early.

References
  1. Burke ER. D-Ribose What You Need To Know. Garden City Park, NY: Avery Publishing Group 1999;1-43.
  2. Thompson J, Neutel J, Homer K, Tempero K, Shah A, Khankari R. Evaluation of D-ribose pharmacokinetics, dose proportionality, food effect, and pharmacodynamics after oral solution administration in healthy male and female subjects. J Clin Pharmacol 2014;54 PubMed
Moderate

INSULIN

2 of 2

Inhaled Insulin also falls under INSULIN.

Theoretically, taking ribose with insulin could increase the hypoglycemic effect of insulin.
In clinical pharmacokinetic studies, oral administration of ribose modestly increased serum insulin levels.
Severity Moderate 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 gist for inhaled insulin (Exubera): both work to lower your blood sugar, and ribose may nudge it down a little further. In some pharmacokinetic studies, taking ribose by mouth modestly bumped up insulin levels in the blood. Stacked on top of the insulin you breathe in, that could mean your sugar dips lower than you expect.

So the practical worry is hypoglycemia, meaning shaky hands, sweating, a racing heart, hunger, confusion, or feeling lightheaded. This is mostly theoretical and the effect looks modest, so don't panic. Just keep an eye on your readings, and check with your pharmacist or doctor before adding ribose, especially since you're managing diabetes. Don't change your insulin on your own.

References
  1. Burke ER. D-Ribose What You Need To Know. Garden City Park, NY: Avery Publishing Group 1999;1-43.
  2. Thompson J, Neutel J, Homer K, Tempero K, Shah A, Khankari R. Evaluation of D-ribose pharmacokinetics, dose proportionality, food effect, and pharmacodynamics after oral solution administration in healthy male and female subjects. J Clin Pharmacol 2014;54 PubMed

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

Ribose Also Interacts With Other Medications

Ribose has 85 moderate known drug interactions in our database — the Inhaled Insulin one above is among them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Ribose

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

Everything else you take

See Every Supplement That Interacts With Inhaled Insulin

This page covers Ribose only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Inhaled Insulin page lists 259 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Chelation Therapy Products (major), Siberian Cocklebur (major), Acai (moderate) and African Wild Potato (moderate).

By severity: 3 major · 218 moderate · 38 minor.

From our pharmacist’s overview on the Inhaled Insulin page

“Inhaled insulin (Exubera) comes with a supplement list that warrants real caution, and the three major-rated entries deserve your attention first. Siberian cocklebur has caused severe hypoglycemia in people, activated charcoal can pull medications out of the body, and chelation products containing EDTA can drive blood sugar dangerously…”

Reviewed by 2 · Jul 18, 2026

Open the Inhaled Insulin interaction page

One more smart check

Taking Ribose as Part of a Dietary Supplement Product? Check It for Interactions

We hold 543 real supplement products containing Ribose, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Ribose. Your product may carry other ingredients that interact with Inhaled Insulin too, on top of Ribose — 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 Ribose and Inhaled Insulin 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 Ribose
Top 25%

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

29 days ago today
Medication Inhaled Insulin
Top half

#1,275 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 Ribose

What is Ribose?

  • Energy and fatigue
  • Athletic performance and recovery
  • Fibromyalgia symptoms
  • Chronic fatigue
  • Heart-related (cardiac) conditions

Ribose (D-ribose) is a simple sugar your body makes naturally and uses to build energy molecules like ATP. Some people take it for fatigue, fibromyalgia, exercise recovery, or heart conditions, but solid human evidence is limited and mostly small or preliminary. It is generally well tolerated in short-term use, but talk to your pharmacist or doctor before trying it, especially if you have diabetes.

Read the full Ribose monograph & all interactions
Keep checking

Other Drugs & Ribose

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

0Major
85Moderate
0Minor
2,744No known interaction
Moderate

85 interactions

Showing 60 of 85 moderate interactions — see all 85 on the Ribose page.

No interaction 2,744 drugs checked — show the list
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

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Pharmacist Counseling Corner

Taking Ribose and Inhaled Insulin Together: Common Questions

Can you take Ribose with Inhaled Insulin?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
Why are there 2 interactions listed for Ribose and Inhaled Insulin?
Inhaled Insulin belongs to more than one drug category, and Ribose interacts with each of those categories a little differently. We list every one so nothing is missed — your overall risk is driven by the most serious of them.
How serious is the Ribose and Inhaled Insulin interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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.