Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

D-Ribose 5 g Capsules Ingredients & Drug Interactions

by BulkSupplements.com

D-Ribose 5 g Capsules label
See full label image
Capsule Category: Fiber And Other Nutrients
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking D-Ribose 5 g Capsules against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

D-Ribose 5 g Capsules is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for energy and fatigue, athletic performance and recovery, fibromyalgia symptoms.Based on those ingredients, 86 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are D-Ribose. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against D-Ribose 5 g Capsules by BulkSupplements.com

Ask about any prescription or over-the-counter medication and we check it for interactions with D-Ribose 5 g Capsules by BulkSupplements.com — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of D-Ribose 5 g Capsules by BulkSupplements.com

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Oct 1, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: D-Ribose, a simple five-carbon sugar (pentose) that your cells make naturally and use for energy production. Each capsule delivers 5 grams.

The capsule itself is made from bovine gelatin, an inactive ingredient that holds the powder.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Ribose product and its label doesn't state a use — see Ribose's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for D-Ribose is mixed and limited. For athletic performance and McArdle disease, it's rated possibly ineffective.

For restless legs syndrome, muscle soreness, congestive heart failure, and coronary artery bypass recovery, we hold insufficient reliable evidence to say whether it works — the data we have isn't complete enough to draw a conclusion.

The evidence, ingredient by ingredient Ribose

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

D-Ribose is generally well tolerated when taken by mouth for up to one month. The most common side effects are diarrhea, gastrointestinal discomfort, headache, low blood sugar (hypoglycemia), and nausea.

Some people report hyperanxious feelings, lightheadedness, increased appetite, and mild anxiety — but lowering the dose has resolved these in study participants. Long-term safety hasn't been well studied.

The safety data advises against use during pregnancy and while breastfeeding because there isn't enough information to know it's safe in those situations. Talk with your doctor or pharmacist about whether D-Ribose is right for you if you're pregnant, planning pregnancy, or nursing.

Side effects, ingredient by ingredient Ribose

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Ribose.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 86 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking D-Ribose, double-check with your pharmacist or doctor if you take insulin (Moderate severity) or any antidiabetes drugs like metformin, sulfonylureas, or GLP-1 agonists (Moderate severity). Ribose can lower your blood sugar further and raise hypoglycemia risk with both.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

D-Ribose is a natural sugar your body uses for energy, but evidence that it improves athletic performance or treats heart or muscle conditions is weak or missing. The main caution is low blood sugar risk — especially if you take insulin or diabetes medications.

If you're considering this supplement and take any diabetes or insulin drugs, check with your doctor or pharmacist before starting.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated May 23, 2024.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about D-Ribose 5 g Capsules, straight from the product label.

Brand BulkSupplements.com
Barcode (UPC) X003LY0XS7
Net contents 210 Capsule(s)
Market status On market
Date entered into DSLD May 23, 2024
DSLD ID 312893
Product type Fiber And Other Nutrients
Supplement form Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for D-Ribose 5 g Capsules by BulkSupplements.com, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
7 Capsule(s)
Maximum serving Sizes:
7 Capsule(s)
Servings per container
30
UPC/BARCODE
X003LY0XS7
IngredientAmount% DV
D-Ribose5000 mg--

Other ingredients: Bovine Gelatin

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula

D-Ribose 5 g per serving

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take 7 capsules once daily, or as directed by a physician.

FDA Disclaimer Statement

Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Formulation

Free of: Added sugar, dairy, yeast, soy, gluten, additives

Storage

Store in a dry, cool place

General Statements

New

Scan me

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

D-Ribose 5 g Capsules by BulkSupplements.com label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

D-Ribose 5 g Capsules label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in D-Ribose 5 g Capsules by BulkSupplements.com

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size7 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

D-Ribose

Interacts with
86 drugs
5000 mg per serving

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, fibromyalg...

D-Ribose monograph & interactions

Other (inactive) ingredients: Bovine Gelatin. These complete the product’s ingredient list but are not active constituents.

Interaction report

D-Ribose 5 g Capsules by BulkSupplements.com Drug Interactions

Want to check YOUR meds against D-Ribose 5 g Capsules?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
86Drugs
86 Moderate

Ingredients driving the most interactions

D-Ribose 86

Individual Drug Interactions

The ingredients in D-Ribose 5 g Capsules interact with 86 drugs. Click any drug to see the details.

1 of the 1 ingredient in D-Ribose 5 g Capsules interact with drugs. Each result below shows which ingredient is responsible. D-Ribose

Each ingredient & the kinds of drugs it affects

For each ingredient in D-Ribose 5 g Capsules with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

D-Ribose2 drug types · 86 drugs

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
D-Ribose full monograph & interactions
The maker

Brand information

Manufacturer and brand details for D-Ribose 5 g Capsules, from the product label.

BulkSupplements.com

See all BulkSupplements.com products
Name
BulkSupplements.com
Street Address
7511 Eastgate Rd
City
Henderson
State
NV
ZipCode
89011
Web Address
BulkSupplements.com
Pharmacist Counseling Corner

D-Ribose 5 g Capsules by BulkSupplements.com: Common Questions

Does D-Ribose 5 g Capsules by BulkSupplements.com interact with any medications?
Yes. Based on its ingredients, D-Ribose 5 g Capsules has a known interaction with 86 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
D-Ribose 5 g Capsules contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will D-Ribose give me energy for workouts?
D-Ribose is rated possibly ineffective for athletic performance based on the evidence we have. It's a sugar your cells naturally use, but the data doesn't show it reliably boosts workout performance.
What are the most common side effects?
Diarrhea, gastrointestinal upset, headache, nausea, and low blood sugar are the most often reported. Some people also feel anxious, lightheaded, or have increased appetite. Lowering your dose can resolve nausea and anxiety in many cases.
Is D-Ribose safe to take long-term?
Research shows it's well tolerated for up to one month, but long-term safety hasn't been well studied. Talk with your doctor if you're thinking about taking it beyond a few weeks.
Can I take this if I'm pregnant or breastfeeding?
No — there isn't enough safety information, so the data advises against use during pregnancy and while breastfeeding. Discuss it with your doctor or pharmacist for personalized advice.
What is D-Ribose, exactly?
It's a simple five-carbon sugar that your cells naturally produce and use as raw material for energy. This supplement gives you 5 grams per capsule.

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

Not sure if D-Ribose 5 g Capsules is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

D-Ribose 5 g Capsules label
Go deeper

The Full Monographs Behind D-Ribose 5 g Capsules’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Ribose

Interacts with 86 drugs

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 conditio...

Read the full Ribose monograph →
Sources

Sources & How We Checked

D-Ribose 5 g Capsules's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

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

The 8 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Ribose 8 references
  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

See these in context on the Ribose monograph →

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
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team