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Dietary supplement

True Cinnamon 600 mg Ingredients & Drug Interactions

by Swanson

True Cinnamon 600 mg label
See full label image
Capsule Category: Botanical
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 True Cinnamon 600 mg 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

True Cinnamon 600 mg is a dietary supplement by Swanson with 1 active ingredient. Its ingredients are commonly taken for blood sugar support, high cholesterol, indigestion and gas.Based on those ingredients, 258 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Ceylon Cinnamon. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against True Cinnamon 600 mg by Swanson

Ask about any prescription or over-the-counter medication and we check it for interactions with True Cinnamon 600 mg by Swanson — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of True Cinnamon 600 mg by Swanson

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 Sep 17, 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 supplement contains one active ingredient: Ceylon cinnamon at 600 mg per capsule. Ceylon cinnamon is a spice derived from the bark of the Cinnamomum verum tree, and it's the form of cinnamon traditionally used in cooking.

The capsule itself is made from inactive ingredients including gelatin, microcrystalline cellulose, magnesium stearate, and silica — these are fillers and binders that hold the capsule together.

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 Ceylon Cinnamon's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: Supports blood sugar metabolism and cardiovascular health.
  • We looked for evidence on: Diabetes, Impaired glucose tolerance (prediabetes), Hypertension, Obesity, metabolic syndrome, insulin resistance.
  • The closest evidence on file: Ceylon Cinnamon is rated "Possibly Ineffective" for Diabetes (Natural Medicines).
  • Also on file: Ceylon Cinnamon is rated "Possibly Ineffective" for Obesity.
  • Also on file: Ceylon Cinnamon is rated "Insufficient Reliable Evidence To Rate" for Hypertension, Impaired glucose tolerance (prediabetes).

The evidence for Ceylon cinnamon is mixed and limited. For obesity and diabetes — two of the main reasons people take cinnamon — the data rates it as possibly ineffective, meaning the research doesn't support a clear benefit.

For hay fever, COPD, and the common cold, we don't have enough reliable evidence to rate it either way. In short, if you're hoping this will help manage your weight or blood sugar, the current evidence doesn't show it will.

The evidence, ingredient by ingredient Ceylon Cinnamon

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.

Ceylon cinnamon taken by mouth is generally well tolerated, and serious side effects are uncommon. The most common minor complaints in studies were bloating, indigestion (dyspepsia), and nausea.

Food amounts of cinnamon are considered likely safe, but supplement-strength doses like this one are less studied, so caution is warranted. One rare case reported abnormal bleeding after someone took a tablespoon of cinnamon daily for months and then had surgery, though this is unusual.

A small number of people reported itching or rashes in trials. Pregnancy is rated likely safe, and regular amounts while breastfeeding appear safe, but we don't have enough data on the safety of supplement doses during breastfeeding — talk to your doctor or pharmacist if you're pregnant or nursing.

Side effects, ingredient by ingredient Ceylon Cinnamon

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 — Ceylon Cinnamon.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 258 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.

Check with your doctor or pharmacist before taking this if you're on blood pressure medications or diabetes drugs. Ceylon cinnamon may add to their effects and increase the risk of low blood pressure or low blood sugar.

Both are Moderate-severity interactions that may need monitoring or dose adjustment.

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.

Ceylon cinnamon may appeal to you if you're interested in trying a traditional spice in supplement form, but the evidence doesn't support its use for weight loss or blood sugar control. The real concern is if you take blood pressure or diabetes medications — this supplement could amplify their effects and lower your pressure or blood sugar too much.

Talk with your doctor or pharmacist before starting it, especially if you're on any prescription drugs.

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 Jan 7, 2019.

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 True Cinnamon 600 mg, straight from the product label.

Brand Swanson
Barcode (UPC) 087614114415
Net contents 90 Capsule(s)
Market status On market
Date entered into DSLD Jan 7, 2019
DSLD ID 184458
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) 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 True Cinnamon 600 mg by Swanson, 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 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
UPC/BARCODE
087614114415
IngredientAmount% DV
Ceylon Cinnamon600 mg--

Other ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate, Silica

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.
General Statements

Supports blood sugar metabolism and cardiovascular health Provides metabolic support Manages blood sugar levels

Science-Backed Quality Since 1969

Full-spectrum Blood Sugar Support

Formula

Full spectrum Cinnamomum verum

Ceylon Cinnamon

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take one capsule three times per day with meals.

Precautions

Warning: For adults only.

Do not take this product if you are pregnant or nursing. Consult your physician before using this or any product if you are taking medication or have a medical condition.

Keep out of reach of children.

Do not use if seal is broken.

Storage

Store in a cool, dry place.

FDA Disclaimer Statement

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

FDA Statement of Identity

Herbal Supplement

General

SW1441 Rev 1 05 17 18

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

See for yourself

True Cinnamon 600 mg by Swanson label

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

True Cinnamon 600 mg 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 True Cinnamon 600 mg by Swanson

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

Serving size1 Capsule(s) Dosage formCapsule Amounts shown are per serving.

Ceylon Cinnamon

Interacts with
258 drugs
600 mg per serving

Ceylon cinnamon is the so-called 'true' cinnamon, valued as a spice and used in traditional medicine for blood sugar, cholesterol, and digestion. Evid...

Ceylon Cinnamon monograph & interactions

Other (inactive) ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

True Cinnamon 600 mg by Swanson Drug Interactions

Want to check YOUR meds against True Cinnamon 600 mg?

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
258Drugs
258 Moderate

Ingredients driving the most interactions

Ceylon Cinnamon 258

Individual Drug Interactions

The ingredients in True Cinnamon 600 mg interact with 258 drugs. Click any drug to see the details.

1 of the 1 ingredient in True Cinnamon 600 mg interact with drugs. Each result below shows which ingredient is responsible. Ceylon Cinnamon

Each ingredient & the kinds of drugs it affects

For each ingredient in True Cinnamon 600 mg 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.

Ceylon Cinnamon2 drug types · 258 drugs

Antidiabetes Drugs

Theoretically, Ceylon cinnamon may have additive effects with antidiabetes drugs.
Ceylon cinnamon may lower blood glucose levels. Dose adjustments might be necessary.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, Ceylon cinnamon might have additive effects with antihypertensive drugs and increase the risk of hypotension.
Animal research shows that Ceylon cinnamon extract has vasorelaxant properties and reduces blood pressure in rat models of hypertension, possibly via inhibition of calcium influx through L-type voltage-sensitive channels.

Likelihood Possible Evidence D
Ceylon Cinnamon full monograph & interactions
The maker

Brand information

Manufacturer and brand details for True Cinnamon 600 mg, from the product label.

Swanson

See all Swanson products
Name
Swanson Health Products
City
Fargo
State
ND
ZipCode
58104
Phone Number
1-800-437-4148
Web Address
swanson.com
Pharmacist Counseling Corner

True Cinnamon 600 mg by Swanson: Common Questions

Does True Cinnamon 600 mg by Swanson interact with any medications?
Yes. Based on its ingredients, True Cinnamon 600 mg has a known interaction with 258 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
True Cinnamon 600 mg 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.
Will this help me lose weight or control my blood sugar?
The evidence doesn't support it. Ceylon cinnamon is rated possibly ineffective for both obesity and diabetes, so the research doesn't show a real benefit for those goals.
What are the most common side effects?
Bloating, indigestion, and nausea are the most common complaints, though they're not very frequent. Some people have reported itching or mild rashes, and cinnamon oil on skin can cause irritation.
Is it safe to take while pregnant or breastfeeding?
Pregnancy is rated likely safe. Regular amounts while breastfeeding also appear safe, but we don't have enough data on the safety of supplement-strength doses during breastfeeding — check with your doctor or pharmacist for personalized advice.
Can I take this with my blood pressure medication?
Not without checking first. Ceylon cinnamon may lower blood pressure on its own, so combining it with blood pressure drugs could push your pressure too low. Your doctor or pharmacist needs to know before you start it.
Can I take this if I'm on diabetes medication?
Talk to your doctor or pharmacist first. Ceylon cinnamon may lower blood sugar, so taking it with diabetes drugs could cause your blood sugar to drop too much and may need a dose adjustment.

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

Not sure if True Cinnamon 600 mg is safe with your meds?

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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.

True Cinnamon 600 mg label
Go deeper

The Full Monographs Behind True Cinnamon 600 mg’s Ingredients

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

Herb & supplement monograph

Ceylon Cinnamon

Interacts with 258 drugs

Ceylon cinnamon is the so-called 'true' cinnamon, valued as a spice and used in traditional medicine for blood sugar, cholesterol, and digestion. Evidence for most health benefits is limited...

Read the full Ceylon Cinnamon monograph →
Sources

Sources & How We Checked

True Cinnamon 600 mg'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 22 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.

Ceylon Cinnamon 22 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  3. Choi HK, Jung GW, Moon KH, et al. Clinical study of SS-Cream in patients with lifelong premature ejaculation. Urology 2000;55:257-61. PubMed
  4. 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
  5. Anderson RA, Broadhurst CL, Polansky MM, et al. Isolation and Characterization of Polyphenol Type-A Polymers from Cinnamon with Insulin-like Biological Activity. J Agric Food Chem 2004;52:65-70. PubMed
  6. Jarvill-Taylor KJ, Anderson RA, Graves DJ. A hydroxychalcone derived from cinnamon functions as a mimetic for insulin in 3T3-L1 adipocytes. J Am Coll Nutr 2001;20:327-36. PubMed
  7. Onderoglu S, Sozer S, Erbil KM, et al. The evaluation of long-term effcts of cinnamon bark and olive leaf on toxicity induced by streptozotocin administration to rats. J Pharm Pharmacol 1999;51:1305-12.
  8. Kanerva L, Estlander T, Jolanki R. Occupational allergic contact dermatitis from spices. Contact Dermatitis 1996;35:157-62. PubMed
  9. Ranasinghe P, Jayawardena R, Galappaththy P, et al. Response to Akilen et al. Efficacy and safety of 'true' cinnamon (Cinnamomum zeylanicum) as a pharmaceutical agent in diabetes: a systematic review and meta-analysis. Diabet Med 2013 Apr;30(4):506-7.
  10. Oliveira JdA, da Silva IC, Trindade LA, et al. Safety and tolerability of essential oil from Cinnamomum zeylanicum blume leaves with action on oral candidosis and its effect on the physical properties of the acylic resin. Evid Based Complement Alternat Me
  11. Ranasinghe P, Pigera S, Premakumara GA, et al. Medicinal properties of 'true' cinnamon (Cinnamomum zeylanicum): a systematic review. BMC Complement Altern Med 2013;13:275. PubMed
  12. Ranasinghe P, Galappaththy P. Health benefits of Ceylon cinnamon (Cinnamomum zeylanicum): a summary of the current evidence. Ceylon Med J 2016;61(1):1-5. PubMed
  13. Nyadjeu P, Dongmo A, Nguelefack TB, Kamanyi A. Antihypertensive and vasorelaxant effects of Cinnamomum zeylanicum stem bark aqueous extracts. J Complement Integr Med 2011;8.
  14. Wansi SL, Nyadjeu P, Ngamga D, et al. Blood pressure lowering effect of the ethanol extract from the stembark of Cinnamomum zeylanicum (lauraceae) in rats. Pharmacol online 2007;3:166-76.
  15. Admani S, Hill H, Jacob SE. Cinnamon Sugar Scrub Dermatitis: "Natural" Is Not Always Best. Pediatr Dermatol. 2017;34(1):e42-e43. PubMed
  16. 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
  17. Vandersall A, Katta R. Eyelid dermatitis as a manifestation of systemic contact dermatitis to cinnamon. Dermatitis. 2015 Jul-Aug;26(4):189. PubMed
  18. Brancheau D, Patel B, Zughaib M. Do cinnamon supplements cause acute hepatitis? Am J Case Rep 2015;16:250-4. PubMed
  19. Ranasinghe P, Jayawardena R, Pigera S, et al. Evaluation of pharmacodynamic properties and safety of Cinnamomum zeylanicum (Ceylon cinnamon) in healthy adults: a phase I clinical trial. BMC Complement Altern Med 2017;17(1):550. PubMed
  20. Zareie A, Sahebkar A, Khorvash F, Bagherniya M, Hasanzadeh A, Askari G. Effect of cinnamon on migraine attacks and inflammatory markers: A randomized double-blind placebo-controlled trial. Phytother Res 2020;34(11):2945-52. PubMed
  21. Zobeiri M, Parvizi F, Shahpiri Z, et al. Evaluation of the effectiveness of cinnamon oil soft capsule in patients with functional dyspepsia: A randomized double-blind placebo-controlled clinical trial. Evid Based Complement Alternat Med 2021;2021:6634115. PubMed
  22. Chase C, Doyle A, John SS, Laurent T, Griffith S. Post-operative haemorrhage secondary to cinnamon use. A case report. Int J Surg Case Rep 2022;95:107179. PubMed

See these in context on the Ceylon Cinnamon 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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