Cinnamon
Cinnamon is a herbal supplement — a spice from the bark of Cinnamomum species used as powder or extracts. 20 peer-reviewed studies are available in our database. Common forms include Bark Powder, Bark Extract, Ceylon Cinnamon.
Content reviewed by Zynava Research Team · Last updated February 2026 · Editorial policy
Find Quality Cinnamon Supplements
Explore cinnamon supplements and browse options based on ingredient research.
What Is Cinnamon?
A spice from the bark of Cinnamomum species used as powder or extracts.
Key fact: Ceylon cinnamon and Cassia cinnamon differ in coumarin content.
Cinnamon Supplement Forms
Cinnamon is available in several supplemental forms: Bark Powder, Bark Extract, Ceylon Cinnamon. Ceylon cinnamon and Cassia cinnamon differ in coumarin content.
Explore Cinnamon Supplements
Use our research tool to explore cinnamon supplements and see what studies have examined.
Research Studies on Cinnamon
Our database contains 20 peer-reviewed studies examining cinnamon. Below are selected recent studies:
Related Supplements
Natural Food Sources of Cinnamon
Understanding the natural food sources of cinnamon provides valuable context for supplementation decisions. For many people, a well-planned diet can contribute meaningfully to their cinnamon intake, though individual needs may vary.
- Herbal teas — Many medicinal herbs can be consumed as teas or decoctions
- Culinary use — Some herbs are used in cooking, providing smaller amounts of active compounds
- Tinctures — Alcohol-based extracts are a traditional method of consuming herbs
Dietary Context
Many herbal supplements are derived from plants with long histories of traditional use in various cultures worldwide. While these plants contain bioactive compounds that are the subject of modern research, they are not typically found in everyday Western diets. Traditional medicine systems like Ayurveda, Traditional Chinese Medicine, and Western herbalism have their own preparation methods for these botanicals.
Absorption: Food vs. Supplements
The bioavailability of herbal compounds varies widely depending on the specific plant and preparation method. Teas extract water-soluble compounds, tinctures capture alcohol-soluble compounds, and standardized extracts concentrate specific active ingredients. Traditional preparations often combine herbs with other ingredients to enhance absorption.
Practical Tips
- Traditional preparation methods (teas, decoctions, tinctures) have been refined over centuries
- Culinary herbs and spices, while lower in concentration, contribute bioactive compounds to everyday meals
- Standardized extracts provide more consistent concentrations of active compounds than whole-herb preparations
How to Take Cinnamon
Getting the most from cinnamon supplementation involves more than just choosing the right product. When and how you take it can significantly affect absorption and effectiveness.
Best time to take: Varies by herb — check specific guidance
With or Without Food
Many herbal supplements are better tolerated when taken with food. Fat-soluble herbal compounds (like curcumin) benefit from being taken with a fat-containing meal.
How Often
Typically 1-3 times daily. Many herbs take weeks of consistent use before effects are noticeable.
Practical Tips
- Consistency is key — many herbs require weeks of regular use for noticeable effects
- Some practitioners recommend cycling herbal supplements (e.g., 8 weeks on, 2 weeks off)
- Start with lower doses and increase gradually to assess tolerance
Important Interactions
- Many herbs can interact with prescription medications — always inform your healthcare provider
- St. John's Wort is particularly known for numerous drug interactions
- Pregnant and breastfeeding women should consult a provider before using herbal supplements
This is not an exhaustive list of interactions. Always consult a healthcare provider or pharmacist about potential interactions with your specific medications and health conditions.
Where to Find Cinnamon Supplements
If you are considering cinnamon supplementation, choosing a quality product from a reputable retailer is an important step. Here are some trusted options where you can browse and compare cinnamon supplements.
How to Choose a Quality Cinnamon Supplement
- Check for third-party testing certifications (USP, NSF, or ConsumerLab) which verify potency and purity
- Compare cost per serving rather than total package price for accurate value comparison
- Read the supplement facts panel to verify the amount of active ingredient per serving
- Look for products with minimal unnecessary fillers, binders, or artificial additives
To explore supplements by ingredient or health goal, try our AI Supplement Advisor.
Research Highlights: Cinnamon
Our database includes 4 meta-analysiss, 1 review, 1 systematic review examining cinnamon, published between 2020 to 2025. Below are selected findings that illustrate the current state of research. These summaries are educational — not clinical recommendations — and individual outcomes may vary.
Effect of cinnamon supplementation on blood pressure, oxidative stress, and inflammatory biomarkers in adults: An umbrella review of the meta-analyses of randomized controlled trials
Published in Nutr Metab Cardiovasc Dis. Study from 2024.
Source: View full study on PubMed
Impact of Cinnamon Supplementation on cardiometabolic Biomarkers of Inflammation and Oxidative Stress: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Published in Complement Ther Med. Study from 2020. Comprehensive analysis combining multiple studies.
Source: View full study on PubMed
The effect of cinnamon supplementation on cardiovascular risk factors in adults: a GRADE assessed systematic review, dose-response and meta-analysis of randomized controlled trials
Published in J Health Popul Nutr. Study from 2025. Comprehensive analysis combining multiple studies.
Source: View full study on PubMed
Effects of cinnamon supplementation on metabolic biomarkers in individuals with type 2 diabetes: a systematic review and meta-analysis
Published in Nutr Rev. Study from 2025. Comprehensive analysis combining multiple studies.
Source: View full study on PubMed
A Systematic Review Evaluating Cinnamon's Effects on Glucose Utilizing a Ranking System to Assess Bias and Study Quality
Published in J Med Food. Study from 2024. Comprehensive analysis combining multiple studies.
Source: View full study on PubMed
The effect of cinnamon supplementation on glycemic control in patients with type 2 diabetes mellitus: An updated systematic review and dose-response meta-analysis of randomized controlled trials
Published in Phytother Res. Study from 2024. Comprehensive analysis combining multiple studies.
Source: View full study on PubMed
The research summaries above are based on published peer-reviewed studies and are provided for informational purposes only. Study findings may not apply to all individuals, and the presence of a study summary does not constitute an endorsement of cinnamon for any specific health condition. Always consult a qualified healthcare professional before making decisions based on research findings.
Important Information
Why Supplement Needs Are Highly Individual
No two people have identical supplement needs. Factors that influence which supplements may be beneficial for you include your diet and nutritional gaps, genetic variations that affect nutrient metabolism, your age and life stage, activity level, geographic location (which affects vitamin D synthesis), existing health conditions, and current medications. What works well for one person may be unnecessary or even counterproductive for another.
This is why Zynava provides information and tools rather than one-size-fits-all suggestions. Our Supplement Advisor asks about your individual circumstances to provide more relevant options, but even filtered results are starting points — not replacements for professional guidance. We encourage every user to work with their healthcare provider to develop a supplement plan that is tailored to their unique needs and regularly reassessed as those needs change.
Our Commitment to Editorial Independence
Zynava maintains strict editorial independence from supplement manufacturers, retailers, and advertisers. Our research summaries are based on peer-reviewed studies indexed in databases such as PubMed, Cochrane Library, and other scientific repositories. We do not accept payment from supplement brands to feature, promote, or favorably review their products. Our evidence grading system applies consistent criteria to all supplements regardless of commercial relationships.
Every supplement page on Zynava is generated using the same data-driven methodology. We do not cherry-pick studies to support a predetermined conclusion. When evidence is mixed or insufficient, we say so clearly. Our editorial policy requires transparent disclosure of study limitations, conflicts of interest, and the overall quality of available evidence.
This content is for general educational purposes only and is not intended as medical advice. Consult a healthcare professional before starting any supplement. Individual results may vary. See our full disclaimer and affiliate disclosure.