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ForumsTirzepatide (Mounjaro / Zepbound)Tirzepatide and cholesterol — March 2026 Page 2

Tirzepatide and cholesterol — March 2026

paige_pharma Tue, Dec 16, 2025 at 4:18 AM 37 replies 1,549 viewsPage 2 of 8
Dr.ReproEndo
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Dec 16, 2025 at 5:49 AM#6
COA_Karl said:
The GIP arm is doing real work rather than padding the label.

Careful with treating an unchanged LDL-C as a failure. If ApoB and triglycerides both fell, the particle picture improved regardless of what the calculated LDL says.

Last edited: Dec 16, 2025 at 6:49 AM
1 4mona_PHX
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VendorMark
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Dec 16, 2025 at 6:24 AM#7

Adding the numbers, since they settle part of this. Practical numbers: half-life about 5 days, steady state 3 to 4 weeks, ladder 2.5 / 5 / 7.5 / 10 / 12.5 / 15mg, and the maintenance doses with published data behind them are 5, 10 and 15mg.

If somebody has the primary source to hand I would rather cite it than paraphrase it.

Last edited: Dec 16, 2025 at 8:24 AM
2 5KristenIndy, MarkLI_maint
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TinaHashiRN
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Dec 16, 2025 at 6:59 AM#8
Dr.ReproEndo said:
Careful with treating an unchanged LDL-C as a failure.

There is a second half to this that has not been said yet. Steady state is faster than people expect: half-life about five days, so you are at plateau in roughly three to four weeks rather than five. That matters when you are deciding whether a dose step has finished expressing itself.

3 6Dr.Martinez, mike_mod, SarahChen_PharmD
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zoe_NC
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Dec 16, 2025 at 7:34 AM#9

A narrower follow-up, since the general answer is now clear:

How much of the tirzepatide advantage is the GIP component and how much is simply that the dose ladder goes higher in receptor-occupancy terms?

4 7NicoleRaleigh, james_edin, FranDenver and 1 other
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paige_pharma
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Dec 16, 2025 at 10:20 AM#10

Closing the loop on my own question.

Reporting back after another eight months at the same dose. Still losing slowly, no new side effects, and no reason I can find to climb further.

38 13lucas_SP_BR, lisa_labSD, adam_van and 35 others
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