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Cardiovascular & Metabolic Case Archive
CASE REPORT #847-B · VERIFIED SUBMISSION 8 Min Read
Special Investigative Dispatch

I Spent 23 Years Placing 1,412 Stents in Other People's Hearts. Then at 58, I Coded on My Own Operating Table for 11 Seconds.

Why standard medications quieted my chart numbers while 5 vital organs quietly degraded, and the Ceylon lipid mechanism that reversed it.

Dr. Robert Lindgren, MD
Dr. Robert Lindgren, MD, FACC
Board-Certified Interventional Cardiologist · Case File #847-B
Dr. Robert Lindgren, MD, FACC reviewing cardiac angiogram films in his office
Dr. Robert Lindgren, MD. 23 years in interventional cardiology before suffering an acute LAD occlusion at 58.

If you saw me holding a chocolate bar, you probably thought it was reckless for someone with Type 2 diabetes. But after placing 1,412 coronary stents, I realized the biggest lie in modern cardiology isn't about what you eat. It is about what happens to "trapped sugar" even when your chart numbers look completely managed.

I do not care if this statement angers my colleagues. I am going to tell you the raw truth that nobody in modern cardiology is willing to say out loud.

I placed my 1,412th coronary stent on October 3rd, 2024. Sixteen days later, at 2:47 AM on October 19th, I was on the receiving end of one. I was 58 years old.

I am a board-certified interventional cardiologist. Twenty-two years of practice. Two stents placed in my own left anterior descending (LAD) artery by a fellow I had trained three years earlier. I coded on the table for eleven seconds.

The hospital bill was $71,000. Cardiac rehab was another $9,200. They will let me operate again, but I will never place a stent without remembering that I was on that same table with someone I trained running a wire into my own artery because everything I was taught to prescribe had failed to save me.

I was diagnosed with Type 2 diabetes six years ago at 52. Fasting glucose 141. A1C 6.9. My father died of a heart attack at 64 after being managed on Metformin and blood pressure pills for eleven years. I did what any cardiologist would do: I started Metformin, added Lisinopril when blood pressure crept to 138/84, and added a statin when LDL hit 149.

I walked four miles a day, lost 18 pounds, and ate the strict Mediterranean protocol. My A1C fell to 6.2. By standard guidelines, I was "managed."

Then on a hunch, I ran a coronary calcium scan on myself. The score came back at 847. Twenty-four days later, I woke up with severe substernal chest pressure radiating into my jaw. My LAD was 95% occluded.

The Multi-Organ Cascade

The "Managed vs. Improving" Illusion

Every drug in my cascade quieted a downstream chart line while trapped sugar quietly degraded five vital organs:

  1. 01
    Heart & Arteries CRITICAL

    95% LAD occlusion, 2 coronary stents placed after an 11-second flatline. Calcium score 847.

  2. 02
    Kidney Filtration STAGE 2 DECLINE

    eGFR plummeted quietly from 89 to 71. Early Stage 2 Diabetic Nephropathy unflagged by routine labs.

  3. 03
    Retinal Vessels MICRO-VASCULAR

    Bilateral micro-hemorrhages and early background retinopathy, previously dismissed as aging eyes.

  4. 04
    Hepatic Liver Tissue STEATOSIS

    Grade 2 hepatic steatosis (fatty liver) with ALT sitting elevated at 47 without clinical follow-up.

  5. 05
    Peripheral Nerves (Feet) NEUROPATHY

    Measurable peripheral neuropathy causing instrument slips and intense 3 AM burning sensations requiring feet outside covers.

The Sri Lankan Kitchen in New Jersey

Two weeks post-discharge, a patient named Priyanka came in with an A1C that had dropped from 7.8 to 5.6. Her blood pressure was 118/74 without Lisinopril. When I asked what she was doing, she wrote a name on my prescription pad: Kumari Perera, a 79-year-old Sri Lankan grandmother in central New Jersey.

I drove three hours to her home. On her porch, she was sorting cinnamon bark into a wooden bowl. She set five pieces of bark on the table:

Lipid absorption mechanism: Ceylon actives suspended in MCT oil crossing the gut wall into circulation
The lipid-carrier mechanism: fat-soluble Ceylon actives require an MCT oil suspension to cross the gut wall.
"This one is your feet. This one is your kidneys. This one is your eyes. This one is your liver. This one is your heart. Every drug you prescribe works on the number on the chart. Below all three, the trapped sugar is still grinding through your vessels."

She explained what modern pharmacology had missed: common drugstore cinnamon is Cassia, full of toxic coumarin that strains the liver. True metabolic support requires True Ceylon Cinnamon (Cinnamomum verum), which contains two vital compounds:

  • MHCP: Directly unlocks cellular GLUT4 doors so trapped sugar leaves the bloodstream and converts into cellular energy.
  • Cinnamaldehyde: Repairs and protects the micro-vascular endothelium damaged by years of trapped sugar.
  • The MCT Lipid Matrix: Because active botanical compounds are fat-soluble, dry drugstore capsules pass through unabsorbed. They require an organic coconut MCT oil suspension to pass through the gut wall.
Side-by-side comparison of Cassia cinnamon bark and true Ceylon (Cinnamomum verum) bark
Left: hard, hollow-rolled Cassia bark. Right: soft, multi-layered true Ceylon quills (Cinnamomum verum).
Botanical Specification

Drugstore Cassia vs. True Ceylon Extract

Common Cassia (Drugstore)
Cinnamomum cassia
  • Coumarin: Up to 250x higher (toxic liver burden)
  • Active MHCP: Negligible / destroyed in processing
  • Delivery: Dry powder, poor absorption
True Ceylon Extract (Regenis)
Cinnamomum verum
  • Coumarin: Ultra-low / zero liver stress
  • Potency: 12:1 concentrated MHCP + Cinnamaldehyde
  • Bioavailability: Suspended in Organic Coconut MCT Oil
Clinical Lab Ladder

12-Week Biomarker Turnaround

Biomarker Discharge Week 4 Week 8 Week 12 (Target)
Hemoglobin A1C 6.6% 6.2% 5.7% 5.3% (Normal)
Fasting Glucose 138 mg/dL 112 mg/dL 94 mg/dL 87 mg/dL
LDL Cholesterol 149 mg/dL 84 mg/dL 78 mg/dL 71 mg/dL
Kidney eGFR 71 mL/min 74 mL/min 79 mL/min 83 mL/min
Partner Cohort Replication: Dr. Lindgren's practice partner trialed this exact Ceylon MCT protocol across 14 post-stent patients: 9 moved out of pre-diabetic ranges within 90 days.
2026 Independent Formulation Audit

Top 5 Ceylon Cinnamon Brands Evaluated by Metabolic Researchers

Our clinical research archive analyzed the five leading Ceylon formulations on species verification, lipid bioavailability, and refund transparency:

#01

Regenis 12:1 Ceylon Softgels

Archive Top Pick Grade A+ 9.9/10
Regenis True Ceylon Cinnamon 12:1 softgels pouch
Verified Strengths
  • DNA-verified Cinnamomum verum (true Sri Lankan Ceylon)
  • 12:1 clinical potency, 7,200mg equivalent per softgel
  • Organic coconut MCT lipid matrix for cellular absorption
  • Third-party lab certified, certificates published
  • 90-day empty-bag money-back guarantee
Archive Concerns
  • Frequently low in stock due to raw Sri Lankan harvest cycles
#02

Metabolae Ceylon Cinnamon

Grade B+ 7.8/10
Metabolae Ceylon Cinnamon supplement pouch
Verified Strengths
  • True Ceylon sourcing confirmed on the label
Archive Concerns
  • Generic unstandardized formulation with no extract ratio
  • Mixed customer feedback on long-term glucose stabilization
  • Rigid subscription cancellation terms
#03

Liraé Ceylon Cinnamon

Grade B- 7.4/10
Liraé Ceylon Cinnamon supplement pouch
Verified Strengths
  • Clean softgel format, easy daily routine
Archive Concerns
  • Very low verified review volume to assess consistency
  • No loyalty or subscription pricing offered
  • Reported customer friction when requesting refunds
#04

Primal Remedies Ceylon

Grade B- 7.1/10
Primal Remedies Ceylon Cinnamon supplement pouch
Verified Strengths
  • Convenient resealable pouch format
Archive Concerns
  • No published third-party certificates of analysis
  • No species DNA disclosure, potential Cassia blending
  • Premium price point without matching verification
#05

Vivonu Ceylon Cinnamon

Grade B 6.9/10
Vivonu Ceylon Cinnamon supplement pouch
Verified Strengths
  • Lowest budget price point of the five
Archive Concerns
  • Amazon-only distribution with no direct manufacturer guarantee
  • Unverified extract potency
  • General wellness positioning, not metabolic-specific
Side-by-Side Summary
DNA Species Verification
Regenis 12:1 Ceylon
Verified C. verum
Metabolae
Ceylon stated
Liraé
Not disclosed
Primal Remedies
No disclosure
Vivonu
Unverified
MCT Lipid Suspension
Regenis 12:1 Ceylon
Organic coconut MCT
Metabolae
Dry capsule
Liraé
Oil base unstated
Primal Remedies
Dry pouch
Vivonu
Dry capsule
Extract Ratio
Regenis 12:1 Ceylon
12:1 concentrate
Metabolae
Unstandardized
Liraé
Not disclosed
Primal Remedies
Not disclosed
Vivonu
Unverified
Third-Party Lab Certified
Regenis 12:1 Ceylon
Published COAs
Metabolae
Not published
Liraé
Not published
Primal Remedies
None published
Vivonu
Not published
90-Day Guarantee
Regenis 12:1 Ceylon
90-day, empty bag
Metabolae
Subscription locked
Liraé
Refund friction
Primal Remedies
Not offered
Vivonu
Amazon policy only

Scores reflect archive analysis of publicly available labels, certificates, and verified purchaser feedback as of 2026. Formulations change, so always confirm species and coumarin disclosure on the current label.

Physician-Recommended Metabolic Protocol

Regenis True Ceylon Cinnamon (12:1 Softgels in MCT Oil)

DNA-verified Sri Lankan Cinnamomum verum suspended in organic coconut MCT oil for maximum cellular absorption.

Regenis True Ceylon Cinnamon 12:1 softgels in organic coconut MCT oil
DNA-Verified Sri Lankan Ceylon: Ultra-low coumarin
12:1 Potency Extraction: Clinical MHCP & Cinnamaldehyde
Organic Coconut MCT Carrier: Maximum bioavailability
1 Softgel Daily Routine: Take every morning with breakfast
90-Day Money-Back Guarantee: 100% Risk-free
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90-Day 100% Money-Back Guarantee. Finish the bag. If your numbers haven't moved, send the empty bag back for a full refund.

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Subscriber Survey

Real Users, Real Verified Results

In a recent survey of verified daily Regenis subscribers:

84%

Reported feeling more confident about metabolic stability within month 1.

79%

Noticed stable or improved fasting glucose and eGFR at checkups.

76%

Reported their doctor commented positively on their numbers.

71%

Reported feeling less stressed about long-term vessel health.

Self-reported outcomes from a voluntary survey of subscribers. Not a controlled clinical trial and not a guarantee of individual results.

Community

Trusted by Over 100,000 Customers

With over 10,000 verified reviews and a rapidly growing subscriber base, Regenis is the daily choice for people looking to support healthy vessels and steady energy without harsh restriction.

Verified Regenis customer holding her Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch Verified Regenis customer holding their Ceylon Cinnamon pouch
Verified Customer Feedback

What Readers Report Back

“My A1C went from 6.3 to 5.2. Numbers improved across the board. My energy is back and my latest lab work shows improvement for the first time in years.”
David K. Verified Purchase
“Fasting glucose down 25 points, eGFR up, and my energy stays level all afternoon without the 3 PM crash.”
Sarah M. Verified Purchase
“My doctor had warned me about my numbers creeping up. After 90 days on Regenis, my markers stabilized and that scary follow-up conversation never happened.”
Jennifer L. Verified Purchase

Individual results vary. Statements reflect the experience of verified purchasers and are not a substitute for medical advice.

P.S. My father was managed on Metformin and blood pressure pills for eleven years before he died in the emergency room at 64. I built my cardiology practice to prevent for my patients what I couldn't prevent for him. The difference is that I received an eleven-second warning. Please do not let your family's warning be shorter than mine.

P.P.S. I am writing this independently because trapped sugar is what destroys vessels, not the number on the chart. If you or someone you love thinks they are "managed," please look deeper.

~ Dr. Robert Lindgren, MD, FACC (Interventional Cardiology)
Common Questions

Frequently asked questions

How do I take Regenis?
Take 1 softgel every morning with breakfast and water.
How is Ceylon different from grocery store cinnamon?
Grocery cinnamon is almost exclusively Cassia, containing high levels of coumarin which strains the liver. Regenis uses pure Sri Lankan Ceylon (Cinnamomum verum) concentrated 12:1 in MCT oil.
How does the 90-day guarantee work?
You have 90 full days to test the protocol. If your numbers do not improve, you receive a 100% refund even on empty bags.
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