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BPC-157 with Retatrutide

Mechanism-tag overlap and published literature for BPC-157 and Retatrutide, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.

Mechanism overlap

Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.

BPC-157 RETATRUTIDE 2 UNIQUE TAGS 2 UNIQUE TAGS 0 SHARED
BPC-157 unique cytoprotectiontissue-repair
Shared none
Retatrutide unique incretin-peptidetriple-receptor-agonist

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying BPC-157 and Retatrutide have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

GI and mucosal protection during high-dose incretin therapy. Users experiencing significant GI side effects during titration sometimes add BPC-157 for gastric cytoprotection; the combination is mechanistically logical but not clinically tested.

Quick facts

BPC-157

RouteSubQ / Oral / IM
Half-life<30 min (plasma)
FDA statusCategory 2 (reclassification pending)
WADABanned (S0, 2022)
Full BPC-157 profile →

Retatrutide

RouteSubQ, once weekly
Half-life~6 days
FDA statusInvestigational (Phase 3)
WADANot specifically named
Full Retatrutide profile →

Literature table

Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.

Year Compound Source Finding
2025BPC-157Vasireddi N, Hahamyan H, Salata MJ, Karns M, Calcei JG, Voos JE, Apostolakos JM. Emerging Use of BPC-157 in Orthopaedic Sports Medicine: A Systematic Review. HSS J. 2025. PMID: 40756949. (544 articles screened, 36 studies included — the single most comprehensive systematic revie… PMID 40756949systematic review
BPC-157ClinicalTrials.gov. Study of PL 14736 in Subjects With Ulcerative Colitis. NCT05765058.human trial
2025BPC-157Lee E, Burgess K. Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study. Altern Ther Health Med. 2025. PMID: 40131143. PMID 40131143human pilot
2024BPC-157Lee E, Walker C, Ayadi B. Effect of BPC-157 on Symptoms in Patients with Interstitial Cystitis: A Pilot Study. Altern Ther Health Med. 2024;30(10):12-17.human pilot
2020BPC-157Xu C, Sun L, Ren F, Huang P, Tian Z, Cui J, et al. Preclinical safety evaluation of body protective compound-157, a potential drug for treating various wounds. Regul Toxicol Pharmacol. 2020;114:104665. (Independent safety study in mice, rats, rabbits, and dogs — no LD1 identifie…preclinical, in vivo
2006BPC-157Krivic A, Majerovic M, Jelic I, Seiwerth S, Sikiric P. Achilles detachment in rat and stable gastric pentadecapeptide BPC 157: Promoted tendon-to-bone healing and opposed corticosteroid aggravation. J Orthop Res. 2006;24(5):982-989. PMID: 16583442. PMID 16583442preclinical, in vivo
2003BPC-157Staresinic M, Sebecic B, Patrlj L, et al. Gastric pentadecapeptide BPC 157 accelerates healing of transected rat Achilles tendon and in vitro stimulates tendocytes growth. J Orthop Res. 2003;21(6):976-983. PMID: 14554208. PMID 14554208preclinical, in vivo
2025BPC-157McGuire FP, Martinez R, Lenz A, et al. Regeneration or Risk? A Narrative Review of BPC-157 for Musculoskeletal Healing. Curr Rev Musculoskelet Med. 2025;18(12):611-619. PMID: 40789979. PMID 40789979review
2025BPC-157FDA. Bulk Drug Substances That Raise Significant Safety Risks (Category 2) Under Section 503A / 503B. FDA.gov. Updated 2025.regulatory / registry
BPC-157USADA. BPC-157: Experimental Peptide Creates Risk for Athletes. U.S. Anti-Doping Agency. usada.org.regulatory / registry
2025BPC-157Józwiak M, Bauer M, Kamysz W, Kleczkowska P. Multifunctionality and Possible Medical Application of the BPC 157 Peptide—Literature and Patent Review. Pharmaceuticals (Basel). 2025;18(2):185. PMID: 40005999. PMID 40005999research article
2022BPC-157Vukojevic J, Milavic M, Perovic D, et al. Pentadecapeptide BPC 157 and the central nervous system. Neural Regen Res. 2022;17(3):482-487. PMID: 34380875. PMID 34380875research article
2025RetatrutideRosenstock J, et al. Effects of retatrutide on body composition in people with type 2 diabetes: a substudy of a phase 2, double-blind, parallel-group, placebo-controlled, randomised trial. Lancet Diabetes Endocrinol. 2025. PMID: 40609566. PMID 40609566human trial, Phase 2
2024RetatrutideSanyal AJ, Kaplan LM, Frias JP, et al. Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease: a randomized phase 2a trial. Nat Med. 2024;30(7):2037-2048. PMID: 38858523. PMID 38858523human trial, Phase 2
2023RetatrutideJastreboff AM, Kaplan LM, Frías JP, Wu Q, Du Y, Gurbuz S, Coskun T, Haupt A, Milicevic Z, Hartman ML. Triple-Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial. N Engl J Med. 2023;389(6):514-526. PMID: 37366315. DOI: 10.1056/NEJMoa2301972. PMID 37366315human trial, Phase 2
2023RetatrutideRosenstock J, Frías JP, Jastreboff AM, et al. Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial conducted in the USA. Lancet. 2023;402(10401):529-544.… PMID 37385280human trial, Phase 2
2025RetatrutideEli Lilly and Company. Topline TRIUMPH-4 readout — retatrutide in adults with obesity and knee osteoarthritis. Press release, October 2025.human trial
2023RetatrutideLincoff AM, Brown-Frandsen K, Colhoun HM, et al. Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT). N Engl J Med. 2023;389(24):2221-2232. PMID: 37952131. (Comparator reference.) PMID 37952131human trial
2022RetatrutideJastreboff AM, Aronne LJ, Ahmad NN, et al. Tirzepatide Once Weekly for the Treatment of Obesity (SURMOUNT-1). N Engl J Med. 2022;387(3):205-216. PMID: 35658024. (Comparator reference.) PMID 35658024human trial
2021RetatrutideWilding JPH, Batterham RL, Calanna S, et al. Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP-1). N Engl J Med. 2021;384(11):989-1002. PMID: 33567185. (Comparator reference.) PMID 33567185human trial
RetatrutideKjeldsen SAS, et al. Retatrutide for the treatment of obesity, obstructive sleep apnea and knee osteoarthritis: Rationale and design of the TRIUMPH registrational clinical trials. PMID: 41090431. PMID 41090431human trial
RetatrutideClinicalTrials.gov. A Study of Retatrutide (LY3437943) in Adult Participants Who Have Obesity or Are Overweight With Weight-Related Medical Problems (TRIUMPH-1). NCT05929066.human trial
RetatrutideClinicalTrials.gov. A Study of Retatrutide (LY3437943) in Adult Participants With Obesity and Type 2 Diabetes (TRIUMPH-2). NCT05929079.human trial
RetatrutideClinicalTrials.gov. A Study of Retatrutide (LY3437943) in Participants Who Have Obesity or Overweight With Osteoarthritis of the Knee (TRIUMPH-4). NCT05931367.human trial

Related pair pages

More research context

Frequently asked

Have BPC-157 and Retatrutide been studied together?

Researchers have published mechanistic-level co-administration discussion of BPC-157 and Retatrutide. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.

What mechanisms do BPC-157 and Retatrutide share?

BPC-157 and Retatrutide do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.

What is the FDA status of BPC-157 and Retatrutide?

BPC-157: Category 2 (reclassification pending). Retatrutide: Investigational (Phase 3). FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.

Where can I find the full research on BPC-157 and Retatrutide?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the BPC-157 profile and the Retatrutide profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026