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Compassionate access to retatrutide and reports of heart-rate changes

46 replies26 peopleJun 23, 2026☆ Follow
Summary

Who received early compassionate-use retatrutide and do cardiac side effects differ between retatrutide and tirzepatide?

The thread discusses an elderly patient granted early access via Lilly’s expanded-use program and then shifts to user experiences with elevated resting heart rate on retatrutide. Several participants report spikes or sustained increases that resolved after switching back to tirzepatide or adding supplements, while others saw no change even at comparable doses. Moderators repeatedly removed political speculation. No consensus emerges on whether the effect is dose-dependent, BMI-dependent, or preventable with minerals.

What this discussion establishesWhere people disagree

Whether the observed arrhythmias and heart-rate increases are clinically significant or merely transient and manageable with supplements.

Still open

Identity of the 79-year-old compassionate-use recipient and long-term cardiac outcomes once retatrutide reaches wider use.

Nothing here is advice.

46 replies · 26 people
AmberCinder18archiveopening postJun 23

Eli Lilly granted a 79-year-old patient early access to an experimental obesity drug through the FDA compassionate-use program. The article suggests the person had unusual connections. Anyone heard more details?

BrightBeacon35archiveJun 23

Compassionate-use programs usually mean the company got paid a lot; the wording just sounds nicer than admitting it is about money.

AmberCinder18archiveJun 23

My first guess is someone who can sway Lilly’s effort to get the drug treated as a biologic. It usually comes down to money.

QuietMarble97archiveJun 23

The actual announcement came out almost two weeks ago. Lilly set up a clinical-trial route for expanded access on a case-by-case basis. A doctor has to apply directly and Lilly decides eligibility.

SlowLantern99archiveJun 23

If I have to delete another post that drifts into politics I will start banning users.

RustBeacon82archiveJun 23

I agree there should be no politics here. There is still zero proof about who actually received the drug, only guesses. On the cancer-research angle I am interested too; the unexpected benefits keep appearing and it is worth studying these drugs at every level. I do wonder how far they will push adding more components and whether side effects will keep growing with each new version.

AmberCinder18archiveJun 23

I am still not sure retatrutide is free of cardiac risks. One study mentioned arrhythmias and a couple of cardiac deaths, yet the presenter called the numbers statistically insignificant. I am not 79 but those events do not sound trivial to me.

RustBeacon82archiveJun 23
↳ replying to @AmberCinder18

Same here. When I tried retatrutide my resting heart rate jumped around; even sitting still it would hit the 140s. Being in my 50s, anything cardiac feels important, so I switched back to tirzepatide.

NorthCompass57archiveJun 23
↳ replying to @RustBeacon82

Do the same heart-rate effects show up with tirzepatide? I have not used it but know people who look good on it and supposedly pay very little through insurance.

RustBeacon82archiveJun 23
↳ replying to @NorthCompass57

It seems to vary by person. I had no heart-rate problems on tirzepatide and only tried retatrutide because it was new. Plenty of people do well on either one; others get worse sides on one versus the other. You just have to see what suits your own body.

PlainAlder11archiveJun 23

My heart rate moved from 72 up to 78-80 and I do not feel it. Overnight it sits around 53-55. I already take a low-dose heart medication because of earlier AFib after a bad pneumonia episode, and my cardiologist wants me to stay on it.

BrightSparrow36archiveJun 23

For what it is worth I also obtained retatrutide. My resting rate rose about 10 bpm right after I began and stayed higher through dose increases before slowly drifting back down. Around the same time I started an L-carnitine supplement and noticed flutters; stopping the supplement made the flutters disappear immediately.

AmberSparrow73archiveJun 23
↳ replying to @RustBeacon82

I am on a low dose and 1.5 mg per week has not changed my resting heart rate at all.

RustBeacon82archiveJun 23
↳ replying to @AmberSparrow73

I was also on a low dose and it still did not agree with me. I am glad tirzepatide works for me and happy for anyone who tolerates retatrutide well.

BrightSparrow36archiveJun 23
↳ replying to @AmberSparrow73

Mine rose 10 bpm on just 0.5 mg. I am now at 1.5 mg and the rate is easing back. A couple of studies suggest the response is more individual than dose-related.

WryMarble70archiveJun 23
↳ replying to @BrightSparrow36

I am exactly the same way with vitamins.

KeenPebble65archiveJun 23

Someone who writes about these drugs online asked Lilly about prescribing retatrutide for patients.

SlowLantern99archiveJun 23

Banned four people for continuing to post political comments.

QuietSignal61archiveJun 23
↳ replying to @AmberCinder18

This only seems to happen to people who skip cardiac supplements. Do you take magnesium or potassium regularly?

RustBeacon82archiveJun 23
↳ replying to @QuietSignal61

I did not before, but now I take magnesium after the suggestion.

QuietSignal61archiveJun 23
↳ replying to @RustBeacon82

Everyone who reported big problems with retatrutide also said they were not taking those supplements.

WryThistle17archiveJun 24
↳ replying to @QuietSignal61

What would you suggest taking? A friend is planning to stay on it long-term and the heart-rate reports are making him uneasy.

RustPebble50archiveJun 24
↳ replying to @QuietSignal61

Magnesium glycinate and magnesium oxide daily have kept cardiac issues away for me on retatrutide.

QuietSignal61archiveJun 24
↳ replying to @WryThistle17

The basics would be a methylated B12 complex, a trace-mineral complex, magnesium glycinate or malate, and a little extra potassium from food or a salt substitute. Ubiquinol is another heart-specific option from a reliable maker.

IronLantern24archiveJun 24
↳ replying to @RustBeacon82

I have had no heart-rate problems on retatrutide. The only pattern I found is that people who began at a lower BMI seem more likely to notice an increase than those who started heavier.

LevelBeacon74archiveJun 24
↳ replying to @QuietSignal61

Do not forget hydration; fluids have stopped AFib episodes for me more than once.

WryThistle17archiveJun 24
↳ replying to @QuietSignal61

I am eating far less, often under 1200 calories, and worry about missing vitamins and minerals or developing gallstones. I already take a basic multivitamin and calcium but plan to get bloodwork and adjust supplements. I also need at least a gallon and a half of fluid daily or things get difficult.

WryThistle17archiveJun 24
↳ replying to @SlowLantern99

Can you reply to my private message? I want to check before deciding what to do next.

LevelBeacon74archiveJun 24
↳ replying to @WryThistle17

Too much fluid can also wash out electrolytes.

AmberMarble48archiveJun 24
↳ replying to @QuietSignal61

Why avoid that brand? That is the one I use, 200 mg a day because of statins.

LevelBeacon74archiveJun 24
↳ replying to @AmberMarble48

That brand is considered the best CoQ10 available.

QuietSignal61archiveJun 24
↳ replying to @AmberMarble48

That brand and several others have failed independent tests for actual content. Lab results showed many popular supplement companies under-delivering on magnesium and other ingredients.

QuietBramble77archiveJun 24

It is hard to believe they made an exception for only one person. I thought exceptions for trial drugs were fairly common.

SteadyQuill55archiveJun 24
↳ replying to @WryThistle17

My ears would perk up like a cat’s if I heard something interesting.

PlainAnchor67archiveJun 24

I am pretty sure quite a few of us have obtained retatrutide.

SteadyAnchor13archiveJun 24
↳ replying to @QuietSignal61

How do you identify trustworthy supplement brands when none are tightly regulated? It feels as unregulated as peptides.

LevelBeacon74archiveJun 24
↳ replying to @QuietSignal61

I will look into the test results. I had no idea; cardiologists at the big hospital where I work all recommend that brand, so I will be annoyed if it turns out to be unreliable.

SlowHarbour21archiveJun 24

If you want the actual research data, that site compiles the studies.

NorthPebble46archiveJun 24
↳ replying to @SlowLantern99

Which forum is best for science articles with no politics?

AmberTimber37archiveJun 24
↳ replying to @PlainAnchor67

Allowing wider early use may be intentional because it generates real-world data that can later support approval and safety claims.

ClearBeacon24archiveJun 25
↳ replying to @AmberCinder18 (opening post)

I heard this route can speed up eventual FDA approval for a new drug.

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