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Dietary supplement

Corvalene Ribose Ingredients & Drug Interactions

by Douglas Laboratories

Powder Category: Fiber And Other Nutrients
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Corvalene Ribose is a dietary supplement by Douglas Laboratories 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.

HelloPharmacist Scorecard of Corvalene Ribose by Douglas Laboratories

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

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.

Corvalene Ribose is a single-ingredient powder containing D-ribose, a five-carbon sugar that your body naturally produces as part of energy metabolism. There are no inactive ingredients listed for this product.

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's effectiveness is mixed and limited. It's rated possibly ineffective for athletic performance and McArdle disease (a rare muscle disorder).

For restless legs syndrome, muscle soreness, congestive heart failure, and recovery after heart bypass surgery, the evidence is insufficient — meaning we don't have enough reliable data to know whether it works. You'd want to talk with your doctor about whether ribose makes sense for your particular goal.

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 in the short term (up to about a month in studies), but long-term safety isn't well established. The most common side effects when taken by mouth are diarrhea, nausea, gastrointestinal discomfort, headache, and low blood sugar (hypoglycemia).

Some people also report feeling anxious, lightheaded, or having increased appetite. The good news is that lowering your dose has resolved nausea and anxiety in some cases.

There isn't enough safety information to recommend ribose during pregnancy or while breastfeeding. Talk with your doctor or pharmacist about whether it's right for you in these situations.

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 Corvalene Ribose, check with your doctor or pharmacist if you use insulin or antidiabetes drugs (the medications that lower your blood sugar). Both carry a Moderate risk of increased hypoglycemia when combined with ribose.

No other medication interactions are documented for the ingredients we hold data on.

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.

Corvalene Ribose might interest people looking for support with energy or muscle recovery, though the evidence is limited or unclear for most uses. If you take insulin or any blood-sugar-lowering medication, this product carries a Moderate risk of increasing low blood sugar — you'll need to check with your own doctor or pharmacist before starting.

Short-term use is generally tolerated, but long-term safety isn't well studied, so this is another point to discuss with your healthcare provider.

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 22, 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 Corvalene Ribose, straight from the product label.

Brand Douglas Laboratories
Barcode (UPC) 310539036976
Net contents 10.18 Ounce(s); 288.6 Gram(s)
Market status On market
Date entered into DSLD Aug 22, 2024
DSLD ID 317990
Product type Fiber And Other Nutrients
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 Corvalene Ribose by Douglas Laboratories, 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:
5.1 Gram(s)
Maximum serving Sizes:
5.1 Gram(s)
Servings per container
56
UPC/BARCODE
310539036976
IngredientAmount% DV
Calories20 Calorie(s)--
Total Carbohydrates5 Gram(s)2%
D-Ribose5 Gram(s)--
Total Sugars5 Gram(s)--

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.
Suggested/Recommended/Usage/Directions

Suggested usage: Normal dosage is 5 grams D-Ribose taken two times a day with the morning and evening meals. A third dose may be added at midday as needed, or as directed by your healthcare professional. Continued use is required to maintain the benefits of Corvalen.

Precautions

Warning: If you are pregnant, or nursing, or if you are taking prescription medication, consult your health professional before using this product.

Not for parenteral use, store at room temperature, avoid excess heat and moisture

Keep out of the reach of children.

Use only if safety seal is intact.

Brand IP Statement(s)

Protected by U.S. patents 6,159,942; 6,534,480; 6,218,366; 6,339,716; 6,703,370 and other U.S. and foreign patents issued and pending Copyright 2008 Bioenergy, Inc.

Storage

Not for parenteral use, store at room temperature, avoid excess heat and moisture

Store in a cool, dry place.

Packaged by weight, not volume. Settling may occur.

Formulation

Gluten-free, Non-GMO

Cellular energy

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

General Statements

Scan to learn about our manufacturing excellence

FDA Statement of Identity

Dietary Supplement

See for yourself

Corvalene Ribose by Douglas Laboratories label

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

What’s inside

The Ingredients in Corvalene Ribose by Douglas Laboratories

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

Serving size5.1 Gram(s) Dosage formPowder Servings per container56 Amounts shown are per serving.

D-Ribose

Interacts with
86 drugs
5 Gram(s) 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
Interaction report

Corvalene Ribose by Douglas Laboratories Drug Interactions

Want to check YOUR meds against Corvalene 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

Each ingredient & the kinds of drugs it affects

For each ingredient in Corvalene 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
The maker

Brand information

Manufacturer and brand details for Corvalene Ribose, from the product label.

Douglas Laboratories

See all Douglas Laboratories products
Name
Douglas Laboratories
City
Sudbury
State
MA
ZipCode
01776
Phone Number
1.800.245.4440
Web Address
www.douglaslabs.com
Pharmacist Counseling Corner

Corvalene Ribose by Douglas Laboratories: Common Questions

Does Corvalene Ribose by Douglas Laboratories interact with any medications?
Yes. Based on its ingredients, Corvalene 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?
Corvalene Ribose 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.
Can I take this if I have diabetes or take blood-sugar medication?
Not without checking first. D-ribose can lower your blood sugar further and increase the risk of hypoglycemia if you're on insulin or antidiabetes drugs. Talk with your doctor or pharmacist before starting — they may need to adjust your medication or monitor you more closely.
Will it help my workouts or muscle soreness?
The evidence doesn't support it for athletic performance. For muscle soreness, there isn't enough reliable data to say whether it helps. Your doctor or a sports medicine specialist can advise you on what's likely to work for your goals.
Is it safe to take long-term?
We don't have good safety data beyond about a month of use. If you're thinking about taking it regularly, check with your doctor or pharmacist — they can help you weigh the benefits and any risks over time.
What are the most common side effects?
Diarrhea, nausea, gastrointestinal discomfort, headache, and low blood sugar are the most frequent. Some people also report anxiety, lightheadedness, or increased appetite. Lowering your dose has helped some people with nausea and anxiety.
Can I take this if I'm pregnant or breastfeeding?
There isn't enough safety information, so it's best avoided in both situations. Talk with your doctor or pharmacist if you're pregnant, planning to get pregnant, or breastfeeding — they can give you personalized guidance.

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

Not sure if Corvalene 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.

Corvalene Ribose label
Go deeper

The Full Monographs Behind Corvalene Ribose’s Ingredients

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

Sources

Sources & How We Checked

Corvalene 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

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