✓ No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
📰Read the full D-Ribose evidence review on GMJ News →Complete clinical article, references and updates on news.gmj.ge. This page is the structured safety summary.⚠ May cause hypoglycemia — monitor glucose in diabetics [1]
⚠ NOT a stimulant — works through ATP resynthesis, not CNS [1]
⚠ Small trial base — needs larger RCTs [2]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
Recommended test
Blood glucose
Blood glucose
Reference range / target
Monitor for hypoglycemia
Monitor for hypoglycemia
D-ribose may lower glucose [1].
Full lab monitoring ↓⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
No data [1].
👦 Pediatric: See guidance
No data [1].
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose
How to take
🍽 Timing: TID with meals [2].
💊 With food: Dissolves in beverages. Sweet [1].
🚫 Avoid: Hypoglycemia risk in diabetics [1].
2 Which form?
| Form | Bioavailability | Vegan | Cost |
|---|---|---|---|
| ['D-Ribose powder', 'common', 'Sweet taste. 5 g per tsp. 5–15 g/day divided [1].'] | Standard | Check label |
3 Common questions
Does D-ribose give energy like caffeine? ▼
No — completely different mechanism. Caffeine blocks adenosine (stimulant). D-ribose provides the sugar backbone for ATP resynthesis (metabolic). No stimulatory 'buzz' — it supports cellular energy production [1].
Can D-ribose lower blood sugar? ▼
Yes — it has been reported to cause hypoglycemia in some individuals. Monitor glucose, especially in diabetics [1].
4 Clinical evidence
Strong
ATP structural component: basic biochemistry [1]. Accelerates ATP resynthesis post-ischemia: confirmed in animal and cell models [1]. HIGH
Moderate
Heart failure: small trials showed improved diastolic function and exercise tolerance [2]. CFS/fibromyalgia: one pilot (n=41) — 66% reported significant improvement in energy and well-being [2]. MODERATE
Insufficient
5 Safety, toxicity & adverse events
Relative
⚠ Diabetes — can cause hypoglycemia and affect glucose readings
⚠ Gout — theoretical purine concern
⚠ Pregnancy and lactation — limited data
🚩 Red flags
● Diabetic patient — hypoglycemia risk [1]
6 Interactions
Drug interactions
Insulin/diabetes medications Moderate
Mechanism: D-ribose may lower blood glucose. [1]
Effect: Hypoglycemia. [1]
Action: Monitor glucose [1].
Supplement synergies
CoQ10 + L-Carnitine · 100–200 mg CoQ10 + 500–1,000 mg carnitine
Mitochondrial energy triad: ribose (ATP backbone) + CoQ10 (electron transport) + carnitine (fatty acid transport) [1].
Mitochondrial energy triad: ribose (ATP backbone) + CoQ10 (electron transport) + carnitine (fatty acid transport) [1].
7 Regulatory
United States: GRAS. Dietary supplement [1].
8 US supplement products
2
on-market products containing D-Ribose (NIH DSLD)
Brands carrying D-Ribose (2)
Click a brand to see its D-Ribose products.
9 Frequently paired with
10 Cite this page
Vancouver: Pkhakadze G. D-Ribose — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Aug 15]. Available from: https://supplement.ge/ingredients/d-ribose/
APA 7th: Pkhakadze, G. (2026). D-Ribose — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/d-ribose/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Institution: Public Health Institute of Georgia (PHIG)
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: February 2027
References: 2 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "D-Ribose — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/d-ribose/ CC BY 4.0.
GP
Prof. G. Pkhakadze, MD, MPH, PhD
Professor of Public Health · Head of Department, DTMU
Editor-in-Chief, Georgian Medical Journal (ISSN 3088-4322)
Chair, Public Health Institute of Georgia · UEMS Public Health Section
Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG