Cinnamon Ingredients & Drug Interactions
by Hawaii Pharm
What is this page for?
First and foremost: checking Cinnamon 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
Cinnamon is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for blood sugar support, digestive upset, antioxidant support.Based on those ingredients, 442 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Cinnamon Bark Extract, Dry. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Cinnamon by Hawaii Pharm
Ask about any prescription or over-the-counter medication and we check it for interactions with Cinnamon by Hawaii Pharm — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Cinnamon by Hawaii Pharm
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.
What’s inside
Full disclosure
This product contains one active ingredient: cinnamon bark extract in dry form. The liquid also includes alcohol, water, and glycerin as inactive ingredients.
Does it work?
Couldn't assess
The evidence for cinnamon's effectiveness isn't established in our data. The product facts show insufficient reliable evidence to rate it for amenorrhea, angina, common cold, diabetes, diarrhea, and dyslipidemia (high cholesterol).
That means the research either hasn't been done or isn't strong enough to say whether it works for these conditions.
How safe is it?
Well-documented data
Cinnamon is generally well tolerated in food amounts, but supplement doses—especially high ones—warrant caution. Because the extract is concentrated, there's concern about coumarin buildup and liver damage if you take large amounts over a long time.
Rare adverse effects in trials included a rash in one person taking 1 gram daily, and isolated reports of contact dermatitis in people with a documented cinnamon allergy. One trial participant had a low blood sugar seizure, though it's unclear if cinnamon caused it.
For pregnancy and breastfeeding, food amounts are likely safe, but you should avoid concentrated supplement doses during pregnancy because safety data is limited. If you're pregnant or nursing, talk to your pharmacist or doctor about whether this product is right for you.
Meds to double-check
Moderate interaction found
Before taking this product, have your pharmacist check your medications against two types: drugs that stress the liver (hepatotoxic drugs) and diabetes medications. Both interactions are Moderate severity and may require dose adjustments or timing changes.
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.
If you take medications for blood sugar control or liver health, check with your pharmacist before adding this. The supplement is generally well tolerated at food-level doses, but large or long-term amounts carry a liver-safety concern.
Your pharmacist can help you decide if it fits your medications and health situation.
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 Oct 24, 2023.
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
General information
Key facts about Cinnamon, straight from the product label.
| Brand | Hawaii Pharm |
|---|---|
| Barcode (UPC) | 840253614773 |
| Net contents | 4 Fluid Ounce(s); 120 mL |
| Market status | On market |
| Date entered into DSLD | Oct 24, 2023 |
| DSLD ID | 301474 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free |
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 Cinnamon by Hawaii Pharm, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Cinnamon Bark Extract, Dry | 983 mg | -- |
Other ingredients: Alcohol, Water, Glycerin
Tap any ingredient to jump to its full detail below.
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.
Brand IP Statement(s)
Hawaii Pharm Herbal Extract Highest quality since 2008
Suggested/Recommended/Usage/Directions
Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.
Precautions
Warning: We recommend to seek expert medical advice before taking.
Do not use if you are allergic to any ingredients.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.
Keep out of the reach of children!
Storage
Store in a cool dry place.
Seals/Symbols
cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.
Organic Alcohol Based USA Made in United States of America
FDA Disclaimer Statement
This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.
General Statements
Scan this QR-code to get 15% discount on your next purchase. Limited time deal.
Formula
Cinnamomum verum
Organic Alcohol Based
Formulation
Only natural ingredients Purity is laboratory tested and verified
All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives
Not tested on animals
Organic Alcohol Based
Made in USA, Hawaii
FDA Statement of Identity
Herbal Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Cinnamon by Hawaii Pharm label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Cinnamon by Hawaii Pharm
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.7 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.
Cinnamon Bark Extract, Dry
Interacts with442 drugs
Cassia cinnamon is the common, inexpensive cinnamon used in cooking, and it is also taken as a supplement, most often for blood sugar support. The evi...
Cinnamon Bark Extract, Dry monograph & interactionsOther (inactive) ingredients: Alcohol, Water, Glycerin. These complete the product’s ingredient list but are not active constituents.
Cinnamon by Hawaii Pharm Drug Interactions
HelloPharmacist Interaction Report
Hawaii Pharm Cinnamon Liquid contains cinnamon bark extract, which has documented interactions with two categories of medications.
Read the full breakdown — every affected drug type, severity by severity
The most serious concern is with drugs that can harm the liver (hepatotoxic drugs). Large doses of cassia cinnamon might add to that liver stress over time, especially if you're taking them long-term.
The ingredient contains coumarin, a compound that can damage the liver in animal studies; in humans, very high doses of coumarin (50–7000 mg/day) have caused liver injury that reversed when the coumarin stopped.
Cinnamon may also lower blood sugar levels, so it could have additive effects with diabetes medications (antidiabetes drugs). If you take a blood sugar medication, your dose might need adjusting.
Overall, these interactions span 425 individual medications. Before you start this product, run your exact prescriptions through the checker on this page.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Cinnamon?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Cinnamon interact with 442 drugs. Click any drug to see the details.
1 of the 1 ingredient in Cinnamon interact with drugs. Each result below shows which ingredient is responsible. Cinnamon Bark Extract, Dry
Asparaginase Erwinia Chrysanthemi (recombinant)-rywnRylaze
How Asparaginase Erwinia Chrysanthemi (recombinant)-rywn interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Asparaginase Erwinia Chrysanthemi (recombinant)-rywn interactionAspirin, Caffeine, Phenacetin, PropoxypheneMargesic Comp. 65
How Aspirin, Caffeine, Phenacetin, Propoxyphene interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Aspirin, Caffeine, Phenacetin, Propoxyphene interactionAtorvastatinAtorvaliq
How Atorvastatin interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Atorvastatin interactionAtorvastatin CalciumLipitor
How Atorvastatin Calcium interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Atorvastatin Calcium interactionAvacopanTavneos
How Avacopan interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Avacopan interactionAzamuneImmunoprin
How Azamune interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Azamune interactionAzathioprineAzamune, Imuran
How Azathioprine interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Azathioprine interactionBaricitinibOlumiant
How Baricitinib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Baricitinib interactionBelinostatBeleodaq
How Belinostat interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Belinostat interactionBenzhydrocodone, AcetaminophenApadaz
How Benzhydrocodone, Acetaminophen interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Benzhydrocodone, Acetaminophen interactionBimekizumab-bkzxBimzelx
How Bimekizumab-bkzx interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Bimekizumab-bkzx interactionBinimetinibMektovi
How Binimetinib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Binimetinib interactionBismuth Subsalicylate, Metronidazole, TetracyclineHelidac
How Bismuth Subsalicylate, Metronidazole, Tetracycline interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Bismuth Subsalicylate, Metronidazole, Tetracycline interactionBortezomibVelcade
How Bortezomib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Bortezomib interactionBosentanTracleer
How Bosentan interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Bosentan interactionBosutinibBosulif
How Bosutinib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Bosutinib interactionCanagliflozinInvokana
How Canagliflozin interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, cassia cinnamon may have additive effects with antidiabetes drugs.
Read the full Cinnamon Bark Extract, Dry + Canagliflozin interactionCanagliflozin, MetforminInvokamet
How Canagliflozin, Metformin interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, cassia cinnamon may have additive effects with antidiabetes drugs.
Read the full Cinnamon Bark Extract, Dry + Canagliflozin, Metformin interactionCanagliflozin, Metformin HydrochlorideInvokamet XR
How Canagliflozin, Metformin Hydrochloride interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, cassia cinnamon may have additive effects with antidiabetes drugs.
Read the full Cinnamon Bark Extract, Dry + Canagliflozin, Metformin Hydrochloride interactionCannabidiol (prescription Drug)Epidiolex
How Cannabidiol (prescription Drug) interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Cannabidiol (prescription Drug) interactionCapmatinib HydrochlorideTabrecta
How Capmatinib Hydrochloride interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Capmatinib Hydrochloride interactionCarbamazepineCarbatrol, Carnexiv, Equetro, Tegretol, Tegretol XR
How Carbamazepine interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Carbamazepine interactionCarbenicillin Indanyl SodiumGeocillin
How Carbenicillin Indanyl Sodium interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Carbenicillin Indanyl Sodium interactionCarbimazoleNeo-Mercazole
How Carbimazole interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Carbimazole interactionCarfilzomibKyprolis
How Carfilzomib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Carfilzomib interactionCeritinibZykadia
How Ceritinib interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Ceritinib interactionCerivastatin SodiumBaycol
How Cerivastatin Sodium interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Cerivastatin Sodium interactionChlorothiazide, MethyldopaAldochlor, Aldoclor 150, Aldoclor 250
How Chlorothiazide, Methyldopa interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Chlorothiazide, Methyldopa interactionChlorpropamideChlorpropam, Diabinese
How Chlorpropamide interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs, Antidiabetes Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Chlorpropamide interactionChlortetracyclineAureomycin
How Chlortetracycline interacts with Cinnamon — through 1 ingredient. Tap an ingredient for the detail:
Cinnamon Bark Extract, DryHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Read the full Cinnamon Bark Extract, Dry + Chlortetracycline interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Cinnamon 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.
Cinnamon Bark Extract, Dry
Antidiabetes Drugs
Theoretically, cassia cinnamon may have additive effects with antidiabetes drugs.
Cassia cinnamon may lower blood glucose levels, and have additive effects in patients treated with antidiabetic agents. Dose adjustments to diabetes medications might be necessary.
Hepatotoxic Drugs
Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
There is some concern that ingesting large amounts of cassia cinnamon for an extended duration might cause hepatotoxicity in some people. Cassia cinnamon contains coumarin, which can cause hepatotoxicity in animal models. In humans, very high doses of coumarin from 50-7000 mg/day can result in hepatotoxicity that resolves when coumarin use is discontinued. Lower amounts might also cause liver problems in sensitive people, such as those with liver disease or those taking potentially hepatotoxic agents.
Brand information
Manufacturer and brand details for Cinnamon, from the product label.
Hawaii Pharm
See all Hawaii Pharm products- Name
- Hawaii Pharm LLC
- Street Address
- 510 Sumner St. Ste. 613
- City
- Honolulu
- State
- HI
- ZipCode
- 96817
- Phone Number
- 888-854-2924
- Web Address
- www.hawaiipharm.com
Cinnamon by Hawaii Pharm: Common Questions
Does Cinnamon by Hawaii Pharm interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is this safe to take if I'm pregnant or breastfeeding?
Can cinnamon help with blood sugar control?
What are the side effects I should watch for?
Is this product just cinnamon, or does it have other stuff in it?
What happens if I take too much?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Cinnamon is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Cinnamon’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Cinnamon'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 20 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.
Cassia Cinnamon 20 references
- Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
- Khan A, Safdar M, Ali Khan M, et al. Cinnamon improves glucose and lipids of people with type 2 diabetes. Diabetes Care 2003;26:3215-8. PubMed
- De Benito V, Alzaga R. Occupational allergic contact dermatitis from cassia (Chinese cinnamon) as a flavouring agent in coffee. Contact Dermatitis 1999;40:165. PubMed
- Drake TE, Maibach HI. Allergic contact dermatitis and stomatitis caused by a cinnamic aldehyde-flavored toothpaste. Arch Dermatol 1976;112:202-3.
- Press release. Cinnamon capsules to reduce blood sugar are medicinal products! Efficacy has not been scientifically proven - some products contain high levels of coumarin. Federal Institute of Risk Assessment (BfM), Germany, November 11, 2006. Available a
- Felter SP, Vassallo JD, Carlton BD, Daston GP. A safety assessment of coumarin taking into account species-specificity of toxicokinetics. Food Chem Toxicol 2006;44:462-75. PubMed
- Crawford P. Effectiveness of cinnamon for lowering hemoglobin A1C in patients with type 2 diabetes: a randomized, controlled trial. J Am Board Fam Med 2009;22:507-12. PubMed
- Akilen, R., Tsiami, A., Devendra, D., and Robinson, N. Glycated haemoglobin and blood pressure-lowering effect of cinnamon in multi-ethnic Type 2 diabetic patients in the UK: a randomized, placebo-controlled, double-blind clinical trial. Diabet.Med. 2010; PubMed
- Lu T, Sheng H Wu J Cheng Y Zhu J Chen Y. Cinnamon extract improves fasting blood glucose and glycosylated hemoglobin level in Chinese patients with type 2 diabetes. Nutr Res. 2012;32(6):408-412. PubMed
- Choi, J., Lee, K. T., Ka, H., Jung, W. T., Jung, H. J., and Park, H. J. Constituents of the essential oil of the Cinnamomum cassia stem bark and the biological properties. Arch Pharm Res 2001;24(5):418-423.
- Altschuler JA, Casella SJ, MacKenzie TA, Curtis KM. The effect of cinnamon on A1C among adolescents with type 1 diabetes. Diabetes Care 2007;30(4):813-6. PubMed
- Stoecker BR, Zhan Z, Luo R, et al. Cinnamon extract lowers blood glucose in hyperglycemic subjects. FASEB J. 2010;22:722.1 (Abstract only). DOI
- Admani S, Hill H, Jacob SE. Cinnamon Sugar Scrub Dermatitis: "Natural" Is Not Always Best. Pediatr Dermatol. 2017;34(1):e42-e43. PubMed
- Isaac-Renton M, Li MK, Parsons LM. Cinnamon spice and everything not nice: many features of intraoral allergy to cinnamic aldehyde. Dermatitis. 2015;26(3):116-21. PubMed
- Vandersall A, Katta R. Eyelid dermatitis as a manifestation of systemic contact dermatitis to cinnamon. Dermatitis. 2015 Jul-Aug;26(4):189. PubMed
- Wickenberg J, Lindstedt S, Nilsson J, Hlebowicz J. Cassia cinnamon does not change the insulin sensitivity or the liver enzymes in subjects with impaired glucose tolerance. Nutr J 2014 Sep 24;13:96. PubMed
- Brancheau D, Patel B, Zughaib M. Do cinnamon supplements cause acute hepatitis? Am J Case Rep 2015;16:250-4. PubMed
- Shekarchizadeh-Esfahani P, Heydarpour F, Izadi F, Jalili C. The effect of cinnamon supplementation on liver enzymes in adults: A systematic review and meta-analysis of randomized controlled trials. Complement Ther Med 2021;58:102699. PubMed
- Bernaola J, Valverde-Monge M, Otal-Buesa M, Cullen D, Heras-Mendaza F. Cinnamon allergic contact cheilitis. Contact Dermatitis 2023;88(5):418-419. PubMed
- Patel K, Howard M, Tate B. Cheilitis caused by allergic contact dermatitis to cinnamon in chai tea: A case report. Contact Dermatitis 2023;88(3):239-240. PubMed
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