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ForumsTirzepatide (Mounjaro / Zepbound)Tirzepatide and sulfur burps: GIP receptor-mediated gastric effects — looking for input Page 2

Tirzepatide and sulfur burps: GIP receptor-mediated gastric effects — looking for input

MaxMetOK Sun, Nov 23, 2025 at 6:56 AM 27 replies 997 viewsPage 2 of 6
labquiet_amy
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Nov 23, 2025 at 9:46 AM#6

Another option nobody mentioned — some people split their dose when going up. Instead of one 12.5mg shot, they do a 7.5 + 5 split (one shot, two injection sites, same day). My endo actually suggested this and it dramatically reduced my GI sides when titrating up.

Obviously this only works with vials/compound, not the auto-injector pens. But worth asking about if you do decide to go higher eventually.

Not medical advice, just sharing what worked for me

41 18TrialNerd_Beth, HPLC_Greg, LibrarianMeg and 38 others
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Dr.PathRoch
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Nov 23, 2025 at 10:03 AM#7
labquiet_amy said:
Another option nobody mentioned — some people split their dose when going up. Instead of one 12.5mg shot, they do a 7.5 ...

Just want to flag — dose splitting is an off-label strategy that doesn't have clinical trial support. It makes pharmacokinetic sense (slower absorption = fewer GI effects), but the concentration-time curve will be different from what was studied. Some providers are fine with it, others aren't. Definitely don't do this without discussing with your prescriber.

Last edited: Nov 23, 2025 at 4:03 PM
49 19InsuranceTom, WendyG_ATL, SaraMom3 and 46 others
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Dr.CardioMD
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Nov 23, 2025 at 10:20 AM#8

One more thing I forgot to mention — when I went to 15mg, I started taking my injection at night before bed instead of in the morning. Game changer. You sleep through the worst of the initial nausea window. Someone on here suggested it months ago and it really helped me.

Also seconding the omeprazole tip if you get reflux. Talk to your doc about it, low dose OTC omeprazole for the first 2-3 weeks of a new dose was clutch for me. 💊

Last edited: Nov 23, 2025 at 4:20 PM
39 14tony_orlando, Dr.NephBHM_UK, kim_atl_prep and 36 others
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mike_nyc
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Nov 23, 2025 at 10:37 AM#9

Bookmarking this whole thread for when/if I need it later. You guys are the best. ❤️

Last edited: Nov 23, 2025 at 2:37 PM
17 10pete_RVA, CarlaRPh_TPA, steph_laguna and 14 others
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