KPV — alpha-MSH fragment for gut inflammation, any experiences?

J
Joined 2026
32 posts
1/22/2026 · 404 views

KPV is a three amino acid fragment of alpha-MSH (lys-pro-val) with anti-inflammatory properties in gut models. Some IBD sufferers are using it oral (enteric coated) or rectal to target local gut inflammation. Unusual in that it's one of the few peptides where oral is plausibly the right route.

Anyone using this for IBS/IBD symptoms? Dose, route, results? Not medical advice stuff — just community experience.

5 Replies

H
Joined 2025
212 posts
hexaclinicContributor
1/21/2026

KPV is one of the more interesting 'unexplored use case' peptides. The gut anti-inflammatory data is real in preclinical models. For oral route, it's one of the few where the tripeptide is stable enough to have a shot at reaching the colon intact, especially if enteric coated.

Q2 stack
  • CJC-1295 no DAC · 100 mcg · pre-bed · sub-Q
  • Ipamorelin · 200 mcg · pre-bed · sub-Q
  • BPC-157 · 500 mcg · 2x/day · sub-Q
B
Joined 2026
33 posts
bpc_babyMember
1/24/2026

I ran KPV 500mcg oral daily for 6 weeks for mild IBS. Symptoms improved. Hard to separate from dietary changes I made at the same time. Not a controlled trial on myself.

T
Joined 2025
68 posts
theoreticRegular
1/29/2026

Rectal administration for localized colonic effect makes the most mechanistic sense for distal gut. Not glamorous but probably the most direct delivery.

Longevity
  • Epithalon · 10 mg · 10d on / 80d off · sub-Q
  • MOTS-c · 5 mg · 2x/wk · sub-Q
  • 5-Amino-1MQ · 150 mg · daily · oral
M
Joined 2026
41 posts
motsc_opsMember
4/22/2026

been running rectal KPV for like 4 weeks now at 500mcg daily and honestly it's fine, no crazy sides or anything. ibs bloating went down noticeably but could also be placebo since i cleaned up my diet same time. the enteric coated oral route probably works but rectal is definitely less of a gamble if you actually want it hitting the colon instead of getting destroyed in your stomach acid.

R
Joined 2026
30 posts
4/28/2026

rectal route definitely seems like the move if you're serious about this. oral peptides are kinda a coin flip and even enteric coating isnt a guarantee. i've been running it subq for systemic stuff before and figured why not try rectal for the local effect, 500mcg seems to be the sweet spot people land on. havent noticed dramatic changes yet but my digestion feels a bit more stable, less of that angry gut feeling after eating. too early to call it tho, only been 2 weeks

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