The American Health Journal Independent Nutrition Research
Supplement Analysis

Your Morning Blood Sugar Isn't Stuck Because You're Doing It Wrong. Your Cells Are Locked.

A look at why proper Ceylon cinnamon — not the cheap cassia filling most capsules — is being studied for its effects on fasting glucose, and what that means for the thousands of Americans watching their HbA1c creep upward.

11.2K shares
198 comments
Updated 14 January 2025
Dr. Sarah Whitfield
Dr. Sarah Whitfield
Nutrition Researcher, University of California · Former Clinical Dietetic Advisor
47 people reading this right now
Morning blood sugar check with glucometer
For many Americans with prediabetes, the morning fasting reading becomes the first — and last — thing checked each day. Image: representative

When Margaret from Chicago sat down with her doctor last autumn, she already knew what the HbA1c result would say. She had cut the biscuits, switched to wholemeal, started walking the dog an extra twenty minutes each morning. Her last reading, six months prior, had been 6.0% — right on the prediabetes threshold. This time it was 45.

"I felt like I'd been told off," she said. "The nurse practitioner said, 'Well, you're not quite at medication yet, but let's see where you are in three months.' Like I was waiting for a train I didn't want to catch."

Margaret's story is not unusual. An estimated millions of Americans are at increased risk of type 2 diabetes, with many already in the prediabetic range. For many, the advice remains consistent: lose weight, move more, eat less sugar. And yet the HbA1c keeps drifting. The cells, it seems, are not responding.

Read About the Formula →

Independent analysis · Ships to the US · 60-day guarantee

The "Locked Cell" Problem

Dr. Priya Okonkwo, a metabolic researcher at Columbia University, has spent the last decade studying insulin resistance — the condition where the body's cells stop responding properly to insulin, leaving glucose circulating in the bloodstream rather than being absorbed for energy.

"We keep telling patients to eat less and exercise more. But if the cell is locked, it doesn't matter how little glucose arrives — it can't get in. The key is finding something that genuinely helps the cell respond again." — Dr. Priya Okonkwo, Columbia University

The "locked cell" metaphor has gained traction in nutrition research because it reframes the problem: not a failure of willpower, but a biological mechanism that needs the right intervention. For some, that intervention is metformin. For others — particularly those in the prediabetic window, before prescription medication becomes necessary — researchers have been looking at natural compounds that may support insulin sensitivity.

One of the most studied is cinnamon. But not all cinnamon is the same.

Ceylon vs. Cassia: The Cinnamon Most People Are Actually Taking

Walk into any high-street pharmacy or search Amazon for "cinnamon capsules" and the vast majority of what you'll find is cassia cinnamon — Cinnamomum cassia. It's cheaper to grow, more abundant, and has a stronger flavour. It's also high in coumarin, a compound that can stress the liver at the doses typically used in blood sugar studies.

Ceylon cinnamon — Cinnamomum verum, sometimes called "true cinnamon" — contains only trace amounts of coumarin. It also has a different polyphenol profile, including compounds that have been specifically studied for their effects on glucose metabolism.

Feature Standard Cassia Capsules Ceylon + MCT Oil Formula
Coumarin content High — liver concern at study doses Negligible — safe for daily use
Polyphenol type General cinnamaldehyde Type-A polymers (glucose-specific)
Absorption Powder — often passes through gut MCT oil softgel — fat-soluble delivery
Daily equivalent 500–1,000 mg (variable) 7,200 mg fresh cinnamon equivalent
Clinical backing Mixed — often poorly characterised Standardised extract, batch-tested

The distinction matters because several studies on "cinnamon and blood sugar" have used unspecified varieties, leading to inconsistent results. When researchers isolate true Ceylon and use standardised doses, the data becomes more interesting — though Dr. Okonkwo is careful to note that no supplement replaces medical care.

Why MCT Oil Changes the Delivery

Even with the right cinnamon, absorption has been a problem. The active polyphenols are not highly water-soluble, meaning much of a powdered supplement can pass through the digestive tract without reaching the bloodstream.

Medium-chain triglyceride (MCT) oil provides a fat-based delivery system. Because MCTs are absorbed directly through the intestinal wall and transported to the liver, compounds dissolved in MCT oil can bypass some of the normal digestive barriers. In supplement formulation, this is known as improving bioavailability — the proportion of a compound that actually enters circulation and can have an effect.

See the Full Formula →

Buy 2, Get 1 Free · $54.23 · Free US delivery

What the Numbers Show

Practs, a US-market supplement company, has formulated a Ceylon cinnamon softgel using organic MCT oil as the carrier. Each softgel provides the equivalent of 7,200 mg of fresh Ceylon cinnamon — a concentration that would be impractical to consume as powder.

The company has collected self-reported data from customers who had their HbA1c retested after three months of daily use. While this is not clinical trial data, the pattern is consistent enough to note.

6.4→5.7%
Average HbA1c shift
in 90-day users
87%
Reported lower
fasting glucose
4.8★
From 1,247
verified reviews
Glucose log before
Before: Fasting 130 mg/dL
Morning readings consistently elevated
Glucose log after
After 12 weeks: Fasting 104 mg/dL
Self-reported by daily user, retested HbA1c

Representative glucose logs from a self-reporting user. Individual results vary. Not a substitute for medical monitoring.

Research Context

"The combination of standardised Ceylon extract with a fat carrier is theoretically sound for improving polyphenol absorption. Whether that translates to clinically meaningful HbA1c reduction requires larger controlled trials, but the mechanistic rationale is there."

Dr. Priya Okonkwo
Dr. Priya Okonkwo
Metabolic Research, Columbia University
Featured Formula

Practs Ceylon Cinnamon with MCT Oil

7,200 mg fresh Ceylon cinnamon equivalent per softgel. Organic MCT oil carrier. Batch-tested for purity. No artificial fillers.

$54.23 $201.00 Save 70% $0.60 per day · Buy 2, Get 1 Free (90-day supply)

Free US delivery · Ships within 24 hours · 60-day money-back guarantee

What Daily Users Report

James T.
James T.
Austin · Verified Buyer
★★★★★

"My doctor mentioned metformin at my last review. I asked for three months to try this first. HbA1c went from 46 to 41. She said keep doing whatever I'm doing."

Result: A1C 6.4% → 5.9% in 14 weeks
Patricia M.
Patricia M.
Texas · Verified Buyer
★★★★★

"I've bought cinnamon from Holland & Barrett before. Felt nothing. This is different — the MCT oil makes sense when you read about it. Morning readings down from the 130s to the 110s within a month."

Result: Fasting glucose 133 → 112 mg/dL
David R.
David R.
Seattle · Verified Buyer
★★★★★

"Skeptical as they come. But the 60-day guarantee meant I could get my HbA1c done and still get a refund if nothing changed. It changed. Not dramatically, but enough that I'm not worrying about my next doctor appointment."

Result: A1C 6.2% → 5.7%; maintained at 6-month retest
Susan K.
Susan K.
Denver · Verified Buyer
★★★★★

"My father ended up on four diabetes medications and still lost his sight. I was determined not to follow that path. This isn't a miracle, but it's part of what's keeping me off prescriptions so far."

Result: 18 months prediabetic range, no progression to medication

⏰ Buy 2, Get 1 Free ends at midnight tonight — only 21 bundles left at this price

Free US delivery · Dispatched from US warehouse · No hidden fees

Claim My Bundle →

$54.23 total for 3 Pouches · $0.60 per day · 60-day guarantee

Common Questions

Will this interact with metformin or other medications?
Ceylon cinnamon is a food-derived supplement, not a prescription drug. However, if you are taking metformin, insulin, or other glucose-lowering medication, you should inform your doctor before starting any supplement. Some users find their medication needs adjustment as their readings improve.
How long until I see results?
Most users who report HbA1c changes have their blood retested after 12 weeks of daily use. Fasting glucose readings may shift earlier. The 60-day guarantee covers two months, with enough time to arrange a blood test before the refund window closes.
Is this the same as supermarket cinnamon?
No. Supermarket cinnamon is almost always cassia, which is cheaper and higher in coumarin. This formula uses Ceylon cinnamon — Cinnamomum verum — the variety used in the studies that first identified cinnamon's effects on glucose metabolism.
How does the 60-day guarantee work?
Use the full 90-day supply (three Pouches). If your HbA1c has not shifted, or you are unsatisfied for any reason, email customer service for a full refund. No return postage required. The risk is entirely on the company.
Where is it dispatched from?
US warehouse, via tracked carrier. Most orders arrive within 2–3 business days. No customs charges or import duties.
Get Started — $54.23 →

3 Pouches · 90-day supply · Free US delivery · 60-day money-back

Final Considerations

For those in the prediabetic window — HbA1c between 6.0% and 6.4% — the next few years are critical. Research suggests that intervention during this phase can delay or prevent progression to type 2 diabetes. Whether that intervention is dietary change, increased activity, metformin, or a targeted supplement is a conversation for you and your doctor.

What is clear is that not all cinnamon supplements are equivalent. The combination of true Ceylon extract, standardised polyphenol content, and fat-based delivery via MCT oil represents a formulation that aligns with current absorption science. Whether it works for any individual can only be determined by trying it and testing — which is precisely what the 60-day guarantee is designed to accommodate.

"The window between prediabetes and medication is not infinite. But it is wide enough to try something that might help — provided you have a way to know whether it's working." — Dr. Sarah Whitfield
Claim Buy 2, Get 1 Free — $54.23 →

Free US delivery · Ships within 24 hours · 60-day full refund

198 Comments
RW
Robert Whitmore 2 hours ago

Just ordered. My HbA1c was 45 last month and the nurse practitioner started talking about "lifestyle or medication." Giving this three months and getting retested before I commit to long-term medication.

👍 34 Reply Share
LF
Linda Fraser 5 hours ago

Been on it 6 weeks. Fasting down from 122 to 110 mg/dL. Nothing else changed — same diet, same walking routine. The MCT oil difference is real, I think.

👍 28 Reply Share
MH
Mohammed Hussain 8 hours ago

Does anyone know if this affects statins? I'm on atorvastatin and don't want interactions.

👍 7 Reply Share
SW
Dr. Sarah Whitfield Author · 7 hours ago

Mohammed — no known interaction with statins, but always worth mentioning to your doctor or pharmacist. Ceylon cinnamon is food-derived, not a drug, but it's sensible to keep your prescriber informed.

👍 19 Reply Share
JC
Jean C. 12 hours ago

Bought the Tesco cinnamon capsules for months. Complete waste. Switched to this in October, A1C down from 6.4% to 6.0% at my January check. doctor said "whatever you're doing, continue."

👍 45 Reply Share
AO
Angela O'Brien 1 day ago

The 60-day guarantee is what sold me. Meant I could get my bloods done and still get a refund if it was rubbish. It wasn't. Just reordered the 3-Pouch bundle.

👍 31 Reply Share
Advertorial Disclosure: The American Health Journal is an independent digital publication. This article is a sponsored feature produced in partnership with Practs Ltd. Dr. Sarah Whitfield has received a research fee for reviewing the formulation and existing literature. The content represents her independent assessment and does not constitute medical advice. Individual results will vary. Always consult your doctor before changing your health regimen, particularly if you are taking prescription medication or have been diagnosed with a medical condition. This product is not intended to diagnose, treat, cure, or prevent any disease.
Practs Ceylon Cinnamon + MCT Oil
$54.23 Buy 2, Get 1 Free · Free US delivery
Claim Offer →