Herb & supplement monograph

Ribose Drug Interactions, Uses, Effectiveness, Safety & More

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Reviewed by licensed pharmacists Sourced from Natural Medicines

Ribose 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 Ribose drug interaction appears low for most people, unless you take medication for diabetes. No interactions are rated major, and every one on the list traces back to a single concern: ribose can lower blood sugar.

Interactions deserving the most attention

The interactions that matter most involve diabetes medications. Human research shows ribose lowers blood glucose in a dose-dependent way, so combining it with drugs that already lower blood sugar could push levels too low. This applies to oral antidiabetes drugs, where the evidence is strongest, and to insulin, where studies found ribose modestly raised insulin levels, an effect that is less well confirmed in people. Anyone whose blood sugar is closely managed should treat this combination with care.

What the rest of the list means

Although the list of interacting medications is long, it does not represent many different risks. Nearly all entries are individual diabetes medicines grouped under the same blood-sugar effect, and the insulin interaction remains partly theoretical. For people not taking these medicines, we found no other documented concerns with ribose.

Check your medications against Ribose

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

Interaction report

Drugs that interact with Ribose

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

2,830 drugs
AcarboseGlucobay, Prandase, Precose› AcetohexamideDymelor› AlbiglutideTanzeum› AlogliptinNesina› Alogliptin, MetforminKazano› Alogliptin, PioglitazoneOseni› Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi› CanagliflozinInvokana› Canagliflozin, MetforminInvokamet› Canagliflozin, Metformin HydrochlorideInvokamet XR› ChlorpropamideChlorpropam, Diabinese› DapagliflozinFarxiga› Dapagliflozin Propanediol, MetforminXigduo XR› Dapagliflozin Propanediol, Saxagliptin HydrochlorideQtern› Dapagliflozin, Metformin Hydrochloride, Saxagliptin HydrochlorideQternmet XR› Dasiglucagon HydrochlorideZegalogue› DulaglutideTrulicity› EmpagliflozinJardiance› Empagliflozin, Linagliptin, Metformin HydrochlorideTrijardy XR› Empagliflozin, MetforminSynjardy› Empagliflozin, Metformin HydrochlorideSynjardy XR› ErtugliflozinSteglatro› Ertugliflozin, Metformin HydrochlorideSegluromet› ExenatideBydureon, Byetta› Exenatide SyntheticBydureon BCISE› GliclazideDiamicron› GlimepirideAmaryl› GlipizideGlucotrol, Glucotrol XL› Glipizide, MetforminMetaglip› GlucagonBaqsimi, Glucagon›
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 Ribose 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 Ribose affects

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

All 2 drug categories Ribose interacts with
Antidiabetes DrugsInsulin
Antidiabetes Drugs

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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence B
Monograph

Ribose: Uses, Safety & Side Effects

The bottom line

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.

Part used
Not applicable (a naturally occurring simple sugar)
Common forms
Powder, capsules, tablets, drink mixes
People commonly use it for
  • Energy and fatigue
  • Athletic performance and recovery
  • Fibromyalgia symptoms
  • Chronic fatigue
  • Heart-related (cardiac) conditions

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

Safety at a glance
OverallUse caution

Often well tolerated short-term, but it can lower blood sugar and long-term safety is 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.

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Overview

Ribose (often sold as D-ribose) is a simple sugar, not a plant or herb. Your body makes ribose on its own, and it is a building block of important molecules like ATP (the body's main energy carrier) and the genetic material RNA.

As a supplement, ribose is usually made through a fermentation process and sold as a powder, capsule, tablet, or drink mix. People most often take it hoping to boost energy, ease fatigue, support exercise recovery, or help with conditions like fibromyalgia and certain heart problems.

How it works

Ribose is a key part of ATP, the molecule your cells use to store and release energy. The idea behind supplementing is that giving the body extra ribose may help cells rebuild their energy supply faster, especially in tissues like the heart and muscles that work hard or have been stressed.

This theory is based mostly on biochemistry and animal or laboratory research. While the mechanism is reasonable, having a logical explanation does not prove that taking ribose produces real benefits in people.

Effectiveness

Does Ribose work?

Evidence overview · 11 uses evaluated
2 Leans ineffective 9 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.
Possibly Ineffective Athletic performance
Rating & evidence shown verbatim from Natural Medicines

Most studies show that oral ribose is not beneficial for improving athletic performance.

Possibly Ineffective McArdle disease
Rating & evidence shown verbatim from Natural Medicines

Oral ribose does not seem to improve exercise tolerance in patients with McArdle disease.

Also studied for 9 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Chronic fatigue syndrome (CFS)
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial in patients with CFS.

Insufficient Reliable Evidence To Rate Cognitive function
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial for improving cognition.

Insufficient Reliable Evidence To Rate Coronary artery bypass graft (CABG) surgery
Rating & evidence shown verbatim from Natural Medicines

Although there is interest in using oral ribose for improving recovery after CABG, there is insufficient reliable information about the clinical effects of ribose for this condition.

Insufficient Reliable Evidence To Rate Coronary heart disease (CHD)
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial for improving exercise tolerance in patients with CHD.

Insufficient Reliable Evidence To Rate Fibromyalgia
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial in patients with fibromyalgia.

Insufficient Reliable Evidence To Rate Heart failure
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial in patients with heart failure with preserved ejection fraction.

Insufficient Reliable Evidence To Rate Muscle soreness
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral ribose is beneficial for preventing muscle soreness from exercise.

Insufficient Reliable Evidence To Rate Restless legs syndrome (RLS)
Rating & evidence shown verbatim from Natural Medicines

Although there is interest in using oral ribose for RLS, there is insufficient reliable information about the clinical effects of ribose for this condition.

Insufficient Reliable Evidence To Rate Seizures
Rating & evidence shown verbatim from Natural Medicines

Although there is interest in using oral ribose for seizures, there is insufficient reliable information about the clinical effects of ribose for this condition.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

Ribose appears to be generally well tolerated in short-term studies, but its long-term safety has not been well established.

Because ribose is a sugar that can lower blood sugar, people with diabetes or low blood sugar should be especially careful and monitor closely. People scheduled for surgery may also want to stop it beforehand because of possible effects on blood sugar.

For pregnancy and breastfeeding, there is not enough reliable safety information, so it is best to avoid ribose during these times. Always check with your pharmacist or doctor before starting any new supplement.

Side effects

When side effects occur, they are usually mild and may include:

  • Low blood sugar (which can cause shakiness, sweating, or lightheadedness)
  • Stomach upset, nausea, or diarrhea, especially at higher doses
  • Headache

Taking ribose on an empty stomach or in large amounts may make stomach symptoms or low blood sugar more likely. Stop and seek advice if you have a strong reaction.

Ribose: Reported Adverse Effects

Documented safety reports on Ribose from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Orally and intravenously, ribose is generally well-tolerated for up to 1 month.

Most Common Adverse Effects:

Orally: Diarrhea, gastrointestinal discomfort, headache, hypoglycemia, nausea.

Intravenously: Hypoglycemia.

Reports by condition
Anxiety Neurologic/CNS
Diarrhea Gastrointestinal
Hypoglycemia Endocrine

Orally, ribose can decrease blood glucose levels. In one pharmacokinetic study, fasting plasma glucose declined after single ribose doses of 2.5-10 grams. At all doses, serum glucose returned to near normal 2 hours post-administration but remained slightly below pre-dose levels for up to 5 hours. One case of symptomatic hypoglycemia 70 minutes post-dose was reported in a 53 kg female who took ribose 10 grams. The reaction was considered mild; however, specific blood glucose levels were not reported.

Intravenously, ribose has been reported to cause hypoglycemia, increased serum insulin levels, and decreased serum phosphate.

  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
  3. Segal S, Foley J. The metabolism of D-ribose in man. J Clin Invest 1958;37:719-35.
  4. Perlmutter NS, Wilson RA, Angello DA, et al. Ribose facilitates thallium-201 redistribution in patients with coronary artery disease. J Nucl Med 1991;32:193-200.
  5. Hegewald MG, Palac RT, Angello DA, et al. Ribose infusion accelerates thallium redistribution with early imaging compared with late 24-hour imaging without ribose. J Am Coll Cardiol 1991;18:1671-81.
  6. Gross M, Reiter S, Zollner N. Metabolism of D-ribose administered continuously to healthy persons and to patients with myoadenylate deaminase deficiency. Klin Wochenschr 1989;67:1205-13.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no official standardized dose of ribose, and the amounts used in studies have varied widely depending on the goal. Because of this, it is best to follow the directions on the product label.

To lower the chance of stomach upset or low blood sugar, some people take it with food and start with a smaller amount. Talk with your pharmacist or doctor about whether ribose is appropriate for you and what amount makes sense for your situation.

Pregnancy & Breastfeeding

Ribose & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using.

Ribose & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 8 references that drive our Ribose monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Segal S, Foley J. The metabolism of D-ribose in man. J Clin Invest 1958;37:719-35. PubMed
  2. Perlmutter NS, Wilson RA, Angello DA, et al. Ribose facilitates thallium-201 redistribution in patients with coronary artery disease. J Nucl Med 1991;32:193-200.
  3. Hegewald MG, Palac RT, Angello DA, et al. Ribose infusion accelerates thallium redistribution with early imaging compared with late 24-hour imaging without ribose. J Am Coll Cardiol 1991;18:1671-81. PubMed
  4. Pliml W, von Arnim T, Stalein A, et al. Effects of ribose on excercise-induced ischaemia in stable coronary artery disease. Lancet 1992;340:507-10.
  5. Burke ER. D-Ribose What You Need To Know. Garden City Park, NY: Avery Publishing Group 1999;1-43.
  6. Gross M, Reiter S, Zollner N. Metabolism of D-ribose administered continuously to healthy persons and to patients with myoadenylate deaminase deficiency. Klin Wochenschr 1989;67:1205-13. PubMed
  7. Teitelbaum JE, Johnson C, St Cyr J. The use of D-ribose in chronic fatigue syndrome and fibromyalgia: a pilot study. J Altern Complement Med 2006;12:857-62. PubMed
  8. 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
Keep reading

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.

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

Product directory

Supplement products with Ribose

588 products in our database contain Ribose. Open any to see its full ingredient list and every drug interaction we check.

D-Ribose Powder by PhysioLogics Powder 5.3 oz. · 150 Gram(s) Off market View ingredients & interactions D-Ribose Powder by Solgar Powder 5.3 oz. · 150 Gram(s) Off market View ingredients & interactions D-Ribose Powder by Solgar Powder 5.3 oz. · 150 Gram(s) Off market View ingredients & interactions D-Ribose Powder by NOW Sports Powder 8 oz. · 227 g Off market View ingredients & interactions D-Ribose Powder Malic Acid + Magnesium by PureFormulas Powder 12 oz. · 340 Gram(s) Off market View ingredients & interactions D-Ribose Powder Unflavored by Lake Avenue Nutrition Powder 10.6 Ounce(s) · 300 Gram(s) Off market View ingredients & interactions D-Ribose Tablets by Life Extension Tablet Or Pill 100 Vegetarian Tablet(s) Off market View ingredients & interactions D-Ribose Tablets by Life Extension Tablet Or Pill 100 Vegetarian Tablet(s) Off market View ingredients & interactions D-Ribose with BioEnergy Ribose 850 mg by Doctor's Best Capsule 120 Veggie Cap(s) Off market View ingredients & interactions D-Ribose with Malic Acid Complex by Swanson Ultra Powder 12 Oz(s) · 340 Gram(s) Off market View ingredients & interactions D-Ribose With Vitamin B-12 by Indiana Botanic Gardens Capsule 30 Capsule(s) Off market View ingredients & interactions D-Ribose With Vitamin B-12 by Indiana Botanic Gardens Capsule 30 Capsule(s) Off market View ingredients & interactions Echinacea Synergy by Metagenics Tablet Or Pill 120 Tablet(s) Off market View ingredients & interactions Energy Cherry Berry by GNC Climb Liquid 6 Bottle(s) · 12.17 Fluid Ounce(s) · 360 mL Off market View ingredients & interactions Energy Crisp Melon by GNC Climb Powder 8.8 Ounce(s) · 249 Gram(s) Off market View ingredients & interactions Energy Crisp Melon by GNC Climb Powder 12 Packet(s) · 3.5 Ounce(s) · 99.6 Gram(s) Off market View ingredients & interactions Energy Pink Lemonade by GNC Climb Powder 9 Ounce(s) · 255 Gram(s) Off market View ingredients & interactions Energy Pink Lemonade by GNC Climb Powder 12 Packet(s) · 3.6 Ounce(s) · 102 Gram(s) Off market View ingredients & interactions Extended Delivery Energy Shot by Nature's Plus Source of Life Capsule 60 Liquid Filled Capsule(s) Off market View ingredients & interactions Insport Recovery by Living Fuel Powder 380 g Off market View ingredients & interactions Insport Recovery by Living Fuel Powder 13.58 oz. · 385 Gram(s) Off market View ingredients & interactions Klean Endurance by Klean Athlete Tablet Or Pill 90 Chewable Tablet(s) Off market View ingredients & interactions Klean Endurance by Klean Athlete Tablet Or Pill 90 Chewable Tablet(s) Off market View ingredients & interactions Klean Endurance by Klean Athlete Tablet Or Pill 90 Chewable Tablet(s) Off market View ingredients & interactions
Pharmacist Counseling Corner

Ribose: Common Questions

What is Ribose used for, and does it work?
People use Ribose for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Ribose interact with prescription medications?
Yes. We list 86 medications with a known interaction with Ribose. Use the checker above to see how Ribose interacts with a specific drug.
How are Ribose interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Ribose with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Ribose interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Ribose used for?
People most commonly take Ribose to boost energy and ease fatigue, and for conditions like fibromyalgia, chronic fatigue, and certain heart problems. However, the human evidence supporting these uses is limited and preliminary.
Is Ribose safe to take?
Ribose is generally well tolerated for short-term use, but long-term safety is not well studied. Because it can lower blood sugar, people with diabetes should be cautious and check with a healthcare provider first.
Can I take Ribose if I'm pregnant or breastfeeding?
There isn't enough reliable safety information for these situations, so it's best to avoid Ribose during pregnancy and breastfeeding unless your doctor advises otherwise.
Will Ribose improve my athletic performance?
Even though it's marketed to athletes, most well-designed studies have not found that Ribose meaningfully improves exercise performance in healthy people.

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

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