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No changes in lipid profiles

10 replies10 peopleSep 15, 2026☆ Follow
Summary

why might lipid levels stay high after significant weight loss on retatrutide

Users report mixed lipid responses after using retatrutide for weight loss. Some saw no improvement in LDL or cholesterol despite diet, exercise, and 25 pounds lost, while others noted gradual normalization over many months or rapid improvement. Genetic factors around LDL receptors and PCSK9 levels are cited as possible reasons some people do not respond. Statins, ezetimibe, or PCSK9 inhibitors are discussed as additional options when GLP-1 effects alone prove insufficient.

What this discussion establishesWhere people disagree

Whether retatrutide itself produces reliable lipid improvement independent of weight loss, or if any observed changes are mainly from longer-term metabolic adaptation

Still open

How long after stopping retatrutide any lipid benefits might persist, and whether the 25-pound loss should have produced measurable LDL change on its own

Nothing here is advice.

10 replies · 10 people
AmberSignal68archiveopening postSep 15

I've been using Reta for roughly six months and dropped twenty-five pounds during that time. Bloodwork from a few weeks ago surprised me because LDL and cholesterol remained high with almost no shift. I feel better than ever after finishing but wonder if anyone else has seen comparable outcomes.

AmberSignal47archiveSep 15

What were the current and earlier numbers, and when you say cycle what exactly did that involve?

AmberSignal68archiveSep 15

I tapered off Reta after six months, so I guess that counts as a cycle. Still, I have not seen any heart-health or lipid gains at all even though I exercised and adjusted my eating the entire time.

QuietFenwick11archiveSep 15
↳ replying to @AmberSignal68

Not surprising if no LDL-lowering medication was added. GLP-1 drugs can reduce LDL mainly through weight loss, yet that is not guaranteed. LDL also has a strong genetic side, which explains why diet and exercise alone often fall short for many people. A prescription would be worth considering.

BrightSignal52archiveSep 15
↳ replying to @AmberSignal68 (opening post)

The weight came off, but lipid numbers can need more time to follow. While fat is actively breaking down, extra lipids enter the bloodstream. GLP-1s have been shown to help lipid profiles, yet the shift tends to happen slowly rather than right away. Good work finishing the cycle and reducing the extra weight. Many stay on these medications long term because benefits extend past the scale. My own LDL and triglycerides needed more than a year to reach healthy ranges, and fasting insulin took even longer. Even after holding the same weight for months, my metabolism kept improving.

GreyAlder96archiveSep 15

I would not worry about trying a statin. There used to be a lot of negative talk, but newer options like pitavastatin and ezetimibe work well and both are now generic.

RustTimber85archiveSep 15

My cholesterol was never high yet I still ended up with multiple stents. I have taken forty milligrams of Rosuvastatin for years and added a PCSK9 inhibitor every two weeks after the last stent. My LDL now sits in the low twenties.

SlowLedger42archiveSep 15

If someone took a statin for six months then stopped, would LDL be expected to differ from the starting point? Reta can lower LDL through greater liver uptake while it is being used. Once stopped, that effect ends. The separate question of whether a twenty-five-pound loss should have changed LDL remains reasonable, though it is unclear how directly that ties back to the medication itself.

BrightCompass57archiveSep 15

Reta corrected my numbers in four to five weeks and brought every lipid value into range after they had been well outside it. I was also doing daily cardio and lifting along with a clean diet. Even starting TRT, which can raise lipids, did not prevent the improvement, and blood pressure, heart rate, and A1c all dropped as well.

IronBramble31archiveSep 15

My lipids have generally been decent except for elevated LDL. After twelve months on tirzepatide and four months on Reta while finishing the last of the weight, LDL finally fell below one hundred for the first time I recall. HDL now runs in the nineties and triglycerides were last at sixty. Tirzepatide helped, but I think Reta contributed more.

CopperPebble16archiveSep 15
↳ replying to @AmberSignal68 (opening post)

Genetic differences can override any lipid benefit from GLP-1 drugs. This mainly involves how many LDL-clearing receptors the liver has and how much PCSK9 protein is present, since that protein removes the receptors. GLP-1s work in part by raising receptor numbers, but high PCSK9 can limit the effect. If statins or ezetimibe do not help, elevated PCSK9 could be the cause and a different medication might be needed. An animation explains how the receptors and PCSK9 interact.

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