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ForumsOther Peptides & Research CompoundsKPV peptide for inflammatory bowel — May 2025

KPV peptide for inflammatory bowel — May 2025

TomTeleRx Sat, Mar 28, 2026 at 10:17 PM 19 replies 1,022 viewsPage 1 of 4
TomTeleRx
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Mar 28, 2026 at 10:17 PM#1

Read the primary source rather than the write-up and the two do not agree, so here is what is actually in it.

The mechanism is slowed transit plus reduced intake, and that combination determines which interventions work. Less food means less bulk, slower motility means more water reabsorbed, and the result is a smaller, drier, slower stool. Insoluble fiber adds bulk to a system that is already moving slowly, which is why it frequently makes things worse. Soluble fiber holds water and is the better first choice, and an osmotic agent works with the mechanism rather than against it.

Where I think it is weakest: the subgroup findings are the part I trust least — with enough subgroups something is always significant, and these were not all pre-registered.

What I am trying to establish is whether fiber actually helps GLP-1 constipation or whether the evidence is borrowed from a different population. If the honest answer is that nobody knows, that is a useful answer and I would rather have it.

Note on sourcing:
Figures above are from the primary publication rather than the press summary. If a number here disagrees with one you have, post yours and we will work out which of us is reading a secondary source.
22 17pete_manc_UK, anna.melb_AU, mark_tokyo and 19 others
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Dr.BariatricHTX
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Mar 28, 2026 at 10:42 PM#2
TomTeleRx said:
The mechanism is slowed transit plus reduced intake, and that combination determines which interventions work.

Agreeing with TomTeleRx, and the qualification matters more than the agreement. The escalation order that reflects the mechanism: water and salt first, then soluble fiber, then magnesium or an osmotic agent, then a stimulant only briefly and only if the osmotic has failed. Stimulants first is the commonest error and the one most likely to end in a cycle of dependence.

21 16pete_RVA, CarlaRPh_TPA, steph_laguna and 18 others
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sarah.morrison
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Mar 28, 2026 at 11:07 PM#3
TomTeleRx said:
The mechanism is slowed transit plus reduced intake, and that combination determines which interventions work.

Worth saying plainly that not all of this is benign. Severe constipation on delayed gastric emptying has produced obstruction and ileus cases, rarely but genuinely. Pain with vomiting and no bowel movement is not a fiber conversation.

Last edited: Mar 29, 2026 at 12:07 AM
20 15tony_orlando, Dr.NephBHM_UK, kim_atl_prep and 17 others
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roxy_nash
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Mar 28, 2026 at 11:32 PM#4

This one has a reasonably settled answer, so here it is. Fiber trials in this population are thin, and most of what gets quoted is extrapolated from idiopathic constipation in people eating normally. The extrapolation is not unreasonable but it is an extrapolation, and it fails specifically for insoluble fiber at low intake — the case that comes up here most often.

19 14Dr.NephBHM_UK, kim_atl_prep, sarah_TO and 16 others
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marcus_mpls
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Mar 29, 2026 at 2:51 AM#5
Dr.BariatricHTX said:
The escalation order that reflects the mechanism: water and salt first, then soluble fiber, then magnesium or an osmotic agent, then a stimulant only…

Same pattern here, and in the same order. Posting only so the count is not one.

18 13mona_PHX, andrew_nyc, Dr.EndoEP and 15 others
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