Interactions on record — worth a quick check against your medications. Based on 1 of 2 ingredients. Check your meds →
Dietary supplement

Best Chewable D-Ribose Ingredients & Drug Interactions

by Doctor's Best

Best Chewable D-Ribose label
See full label image
Other (e.g. Tea Bag) Category: Fiber And Other Nutrients
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Best Chewable D-Ribose 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

Best Chewable D-Ribose is a dietary supplement by Doctor's Best with 2 active ingredients. 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 Best Chewable D-Ribose by Doctor's Best

Ask about any prescription or over-the-counter medication and we check it for interactions with Best Chewable D-Ribose by Doctor's Best — 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 Best Chewable D-Ribose by Doctor's Best

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 Jul 16, 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 sugar your cells use to produce energy. D-Ribose is the sugar part of ribonucleic acid (RNA), and your body makes it naturally, but some people take it as a supplement to support energy production in muscles and the heart.

The chewable tablets also include inactive ingredients—a chewable base, orange and citrus flavors, citric acid, and several common binders and anti-caking agents—that help you take the supplement easily.

Does it work?

Not established
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 established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Ribose's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: ATP production in heart and muscle tissue.
  • We looked for evidence on: Athletic performance, Chronic fatigue syndrome (CFS), Congestive heart failure (CHF), Coronary artery bypass graft (CABG) surgery, Coronary heart disease (CHD), Fibromyalgia — and 4 related terms.
  • The closest evidence on file: Ribose is rated "Possibly Ineffective" for Athletic performance (Natural Medicines).
  • Also on file: Ribose is rated "Insufficient Reliable Evidence To Rate" for Coronary heart disease (CHD), Chronic fatigue syndrome (CFS), Congestive heart failure (CHF), Fibromyalgia, and more.

The evidence for D-Ribose is mixed and incomplete in the data we hold. For athletic performance and McArdle disease (a rare genetic muscle disorder), the available research suggests it's possibly ineffective.

For muscle soreness, congestive heart failure, restless legs syndrome, and recovery after coronary artery bypass surgery, there isn't enough reliable evidence yet to know whether it works. If you're considering ribose for one of these uses, talk it over with your doctor—they may have seen studies or clinical experience that could help guide your decision.

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 you take it for up to a month, but long-term safety hasn't been well studied. The most common side effects from taking it by mouth are diarrhea, stomach discomfort, headache, nausea, and low blood sugar (hypoglycemia).

A small number of users have reported a hyperanxious feeling, lightheadedness, increased appetite, or mild anxiety—and in one study, lowering the dose resolved the anxiety. If nausea happens, lowering your dose may help.

Because ribose lowers blood sugar, be extra cautious if you already run low or take medication to control it. Pregnancy and breastfeeding: there isn't enough safety information to know whether ribose is safe during pregnancy or while breastfeeding.

Talk with your doctor or pharmacist before taking it if you're pregnant, planning to become pregnant, 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 you take Doctor's Best Chewable D-Ribose, double-check with your doctor or pharmacist if you take insulin or any antidiabetes medication (pills or injections). Both carry a moderate risk of low blood sugar when combined with ribose.

No other interactions are documented in our data for this ingredient.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

D-Ribose may be worth considering if you're exploring supplements for muscle energy or heart support, but the evidence for most uses isn't solid yet. The biggest caution is blood sugar: if you take insulin or diabetes medication, you need to check with your doctor or pharmacist first.

The supplement is generally well tolerated short-term, but long-term safety is unknown.

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 Aug 23, 2013.

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 Best Chewable D-Ribose, straight from the product label.

Brand Doctor's Best
Barcode (UPC) 753950002418
Net contents 10 Wafer(s); 1500 mg
Market status On market
Date entered into DSLD Aug 23, 2013
DSLD ID 25167
Product type Fiber And Other Nutrients
Supplement form Other (e.g. Tea Bag)
Dietary claims / uses All Other
Intended target group(s) Vegetarian, Adult (18 - 50 Years)
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 Best Chewable D-Ribose by Doctor's Best, 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:
1 Wafer(s)
Maximum serving Sizes:
3 Wafer(s)
Servings per container
10
UPC/BARCODE
753950002418
IngredientAmount% DV
Calories8 {Calories}--
Total Carbohydrates2 Gram(s)1%
Sugar2 Gram(s)--
D-Ribose1500 mg--

Other ingredients: Invetek chewable base, natural Orange flavor, Citrus blend flavor, Citric Acid, Magnesium Stearate, Stearic Acid, Silicon Dioxide

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.
FDA Statement of Identity

Dietary Supplement

Brand IP Statement(s)

Science-Based Nutrition(TM)

General Statements

SUPPORTS ATP PRODUCTION IN HEART AND MUSCLE TISSUE* DECREASES FREE RADICAL FORMATION DURING EXERCISE*

CONTAINS NOTHING OTHER THAN LISTED INGREDIENTS

Seals/Symbols

BIOENERGY(TM) RIBOSE OU

Suggested/Recommended/Usage/Directions

Suggested Adult Use: Chew one wafer 1 - 3 times daily. May be taken with or without food.

Precautions

Caution: Consult your doctor before use if you are pregnant or have gout or diabetes.

Formulation

Suitable for Vegetarians

General

R 04/11

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

See for yourself

Best Chewable D-Ribose by Doctor's Best label

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

Best Chewable D-Ribose 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 Best Chewable D-Ribose by Doctor's Best

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Wafer(s) Dosage formOther (e.g. Tea Bag) Servings per container10 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Sugar

2 Gram(s) per serving

D-Ribose

Interacts with
86 drugs
1500 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: Invetek chewable base, Natural Orange flavor, Citrus blend flavor, Citric Acid, Magnesium Stearate, Stearic Acid, Silicon Dioxide. These complete the product’s ingredient list but are not active constituents.

Interaction report

Best Chewable D-Ribose by Doctor's Best Drug Interactions

Want to check YOUR meds against Best Chewable D-Ribose?

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 Best Chewable D-Ribose interact with 86 drugs. Click any drug to see the details.

1 of the 2 ingredients in Best Chewable D-Ribose 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 Best Chewable D-Ribose 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 Best Chewable D-Ribose, from the product label.

Doctor's Best

See all Doctor's Best products
Name
Doctor's Best, Inc.
City
San Clemente
State
CA
ZipCode
92673
Phone Number
(800) 777-2474
Web Address
www.drbvitamins.com
Pharmacist Counseling Corner

Best Chewable D-Ribose by Doctor's Best: Common Questions

Does Best Chewable D-Ribose by Doctor's Best interact with any medications?
Yes. Based on its ingredients, Best Chewable D-Ribose 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?
Best Chewable D-Ribose contains 2 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is 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.
Can I take this if I have diabetes or take insulin?
Not without checking first. Ribose can lower your blood sugar, and when you combine it with insulin or diabetes medication, there's a moderate risk of going too low (hypoglycemia). Your doctor or pharmacist needs to know your exact medications and can help you decide whether it's safe and what dose makes sense.
What side effects might I get?
The most common are diarrhea, stomach discomfort, headache, nausea, and low blood sugar. Some people also report a hyperanxious feeling, lightheadedness, or increased appetite. If you get nausea or anxiety, lowering your dose may help. These effects are most common in the first month.
Is this safe during pregnancy or breastfeeding?
There isn't enough safety information to know. The safety data advises against taking it during pregnancy or while breastfeeding. Talk with your doctor or pharmacist if you're pregnant, planning pregnancy, or nursing—they can give you personalized advice.
Will this really boost my athletic performance?
The research we have suggests it's likely not effective for athletic performance. If you're hoping to enhance endurance or recovery, talk with your doctor about what the current evidence actually supports.
How long is it safe to take?
Ribose is generally well tolerated for up to a month. Long-term safety hasn't been well studied, so if you're thinking about taking it longer, check in with your doctor or pharmacist first.
Is this product gluten-free or vegan?
The ingredient list provided doesn't include gluten-containing grains or animal-derived ingredients in the amounts listed, but we don't have manufacturer certifications on file. If you have dietary restrictions, contact the maker directly to confirm.

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

Not sure if Best Chewable D-Ribose 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.

Best Chewable D-Ribose label
Go deeper

The Full Monographs Behind Best Chewable D-Ribose’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

Best Chewable D-Ribose'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