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Ingredient 2 of 11

Cinnamon Extract in PureLung: Second of 11, and What the Evidence Says

Quick answer

Cinnamon extract is the second name in the PureLung blend, so it can weigh at most 300 mg per serving of 2 capsules and no amount is printed. The label does not say which cinnamon. NCCIH notes that cassia cinnamon contains coumarin, which can harm the liver in large amounts, and that evidence for health conditions is limited. No lung evidence was found.

Written by the PureLung label deskUpdated

What it is01

What is cinnamon extract?

Cinnamon is a spice from the inner bark of trees in the Cinnamomum group. Extracts concentrate parts of the bark. The common kinds in shops are cassia and Ceylon, and they differ in a compound called coumarin.

NCCIH's page on cinnamon says that cassia cinnamon contains coumarin, which can harm the liver in large amounts, and that evidence for using cinnamon for health conditions is limited (NCCIH, Cinnamon). The label says "cinnamon extract" and does not name the type or the strength.

On the label02

What does the PureLung label show for it?

It is the second of eleven names in the blend, with no amount printed. The weight order means it weighs no more than the first name, and at most half of the 600 mg, which is 300 mg (FDA, Q&A on Dietary Supplements).

Cinnamon extract in PureLung: what the label shows. Sources: (NCCIH, Cinnamon)
Name on the labelCinnamon Extract
What it isplant extract
Place in the list2 of 11 in the Proprietary Blend (heaviest name first)
Amountinside the 600 mg blend; no separate amount printed
Most it could weigh300 mg per serving of 2 capsules
Usually sold forStudied mostly for blood sugar; marketed for general wellness
Lung benefit in a trial of this capsuleNone. No study of PureLung found
Main cautionCassia cinnamon contains coumarin, which has been linked with liver effects in sensitive people; the type used is not printed.

The ceiling is only a ceiling. With nine names after it, it could be far less. The label shows no standardization percent for it, unlike bacopa, lutein, zeaxanthin and green tea extract, so we cannot say how strong the extract is.

Research03

What is cinnamon studied for?

Mostly blood sugar and general wellness. Studies are small and mixed, and NCCIH calls the evidence for conditions limited (NCCIH, Cinnamon). We found no trial of cinnamon for lung function, asthma or COPD.

That is why the name sits oddly beside a lung claim. A cinnamon extract may have a role in a formula for other reasons, and the label does not tell you why it was chosen. A fair summary is that cinnamon is a known spice with a modest research record on topics other than lungs.

Safety04

What is the coumarin caution?

Coumarin is a natural compound that can strain the liver in sensitive people when intake is high. Cassia has far more of it than Ceylon. The label does not say which type, and it prints no amount, so a buyer cannot judge the coumarin per serving.

If you have liver disease, take liver-affecting medicines, drink heavily or have had a liver problem, ask a pharmacist before using a product that holds cinnamon extract and green tea extract together, as PureLung does (NCCIH, Green Tea). Report yellow skin or eyes, dark urine or severe stomach pain right away.

Cinnamon facts at a glance
ItemFact
Position on the label2 of 11
Most it could weigh300 mg
Printed amountNone
Type of cinnamonNot printed
Lung evidenceNone found
Main cautionCoumarin in cassia and the liver

Medicines05

What about diabetes medicines?

Cinnamon has been studied for blood sugar, so people who take diabetes medicines should ask a pharmacist whether it matters. Even small shifts matter if you take a medicine that lowers glucose. The label does not print an amount, so the pharmacist can only judge by name.

Also tell your clinician if you take blood thinners or liver-affecting medicines, and if you use other cinnamon products or spice-heavy foods daily. The simple habit that helps most is to keep one written list of every product and let a pharmacist review it, as described on the medicine safety page.

PureLung: 60 capsules a bottlePacks of 1, 3 or 6 bottles · live price shown at checkout · guarantee as printed on the live listing

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The claims06

How does it fit the front claims?

It does not obviously fit any of them. "Respiratory Support & Lung Health*", "Supports healthy lung capacity*", "Promotes natural respiratory defense*" and "Helps maintain clear, open airway*" are not defined, and nothing we found links cinnamon to any of them.

We do not say it is useless. We say the label does not tell you what it is there for, and the sources we read do not give it a lung role. See claims vs evidence.

Questions07

What should you ask?

Ask the order desk which type of cinnamon is used, whether the coumarin level is tested and what the extract strength is. Ask a pharmacist about your liver and your diabetes plans. And keep your medicines. If any answer is "we do not know", you have learned what the label hides.

Food08

Can you get cinnamon safely from food instead?

Yes, and it is the usual way. A sprinkle on oatmeal or in tea is a common use, and Ceylon cinnamon, sold as "true" cinnamon, has far less coumarin than cassia. If you use cassia daily in larger amounts, vary your spice or switch types. These are everyday points, not instructions for PureLung. They show why a label that does not name the type leaves a gap.

Cinnamon has also been used as a flavor for centuries without trouble for most people. The caution is for concentrated extracts, sensitive people and daily large amounts. Keep that in mind when you read any extract label, in a capsule or in a drink.

Reading the label09

What can you learn from the way the label lists it?

The label lists "Cinnamon Extract" with no percent, no plant part and no type. Compare it with bacopa (20%), lutein (5%), zeaxanthin (5%) and green tea extract (50%), which carry percents. A percent is not proof of quality, though it hints at a spec. The lack of one for cinnamon means we do not know what strength you would get, and the seller may be able to tell you. Ask.

FAQ10

PureLung questions people ask

What is cinnamon extract doing in PureLung?

The label does not say. No lung role for cinnamon was found in the sources.

How much cinnamon is in PureLung?

Not printed. It could weigh at most 300 mg per serving.

Is it cassia or Ceylon cinnamon?

The label does not say.

Can cinnamon harm the liver?

Cassia contains coumarin, which can harm the liver in large amounts (NCCIH, Cinnamon).

Does cinnamon help asthma or COPD?

We found no evidence it does.

Can I take it with diabetes medicine?

Ask a pharmacist, since cinnamon has been studied for blood sugar.

Does cinnamon interact with blood thinners?

Ask a pharmacist, particularly because coumarin is also the name of a family of blood-thinner compounds.

Who wrote this11

Written and reviewed by

Written byThe PureLung label deskIpurelung, U.S. authorized retailer for PureLung

Pages built from the label images, seller information and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Assad Oskuei, MD, PhysicianRole: Medical reviewerReview date: October 31, 2026

Last updated . Read our editorial standards and how we check reviews. This website is the information site for a U.S. authorized retailer for PureLung. It is not the manufacturer or the distributor named on the label. We earn money when you buy through our order links.

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