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ForumsNutrition & SupplementationFiber supplementation for GLP-1 constipation — 12 month update Page 2

Fiber supplementation for GLP-1 constipation — 12 month update

claudia_zurich Tue, Jul 29, 2025 at 4:19 PM 7 replies 1,316 viewsPage 2 of 2
InsuranceTom
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Jul 29, 2025 at 10:12 PM#6
KevinCompounds said:
Fiber trials in this population are thin, and most of what gets quoted is extrapolated from idiopathic constipation in people eating normally.

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: Jul 30, 2025 at 3:12 AM
33 3lisa_labSD, adam_van, Dr.SurgeonPGH and 30 others
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Dr.PulmRoch
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Jul 30, 2025 at 12:31 AM#7
claudia_zurich said:
I added fiber, made it noticeably worse, and only later worked out that I had added the bulk without adding the water.

Gastroparesis symptoms with constipation: the delayed gastric emptying from GLP-1 agonists can cause early satiety, bloating, and feeling "full" for hours after a small meal.

Tips: eat your protein FIRST (most important macro), then vegetables, then carbs last. Chew thoroughly — 20-30 chews per bite isn't excessive. Avoid carbonated beverages with meals. If symptoms are severe, your doctor may recommend a gastric emptying study.

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NurseLeah_Nash
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Jul 30, 2025 at 2:50 AM#8
InsuranceTom said:
Worth saying plainly that not all of this is benign.

Heartburn management on constipation: omeprazole 20mg has been my savior. The delayed gastric emptying means stomach acid just sits there.

Don't ignore persistent heartburn — chronic acid exposure can damage your esophagus. If OTC remedies aren't cutting it after 2 weeks, see your doctor for something stronger. You shouldn't suffer through this.

31 1PeptideSynthNJ, Dr.KarenChen, Dr.NateNeph and 28 others
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HealthEcon_DC
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Jul 30, 2025 at 5:09 AM#9

One thing that is still open after LabKate’s answer:

Whether fiber actually helps GLP-1 constipation or whether the evidence is borrowed from a different population?

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claudia_zurich
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Jul 30, 2025 at 4:16 PM#10

OP back with an update, since a thread like this is useless without one.

Water and magnesium first, soluble fiber second, and dropping the bran entirely. Resolved in about a week after two months of getting it backwards.

Last edited: Jul 30, 2025 at 10:16 PM
46 19kevin_tulsa, Dr.PainCLE, mike_mealprep and 43 others
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