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BPC-157 with Thymosin Alpha-1

Mechanism-tag overlap and published literature for BPC-157 and Thymosin Alpha-1, 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 THYMOSIN ALPHA-1 2 UNIQUE TAGS 1 UNIQUE TAGS 0 SHARED
BPC-157 unique cytoprotectiontissue-repair
Shared none
Thymosin Alpha-1 unique endogenous-thymic-immunomodulator

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying BPC-157 and Thymosin Alpha-1 have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

In post-illness recovery, surgical recovery, and gut-restoration protocols, practitioners pair Tα1's systemic immune restoration with BPC-157's mucosal and connective-tissue repair. No controlled combination data.

Quick facts

BPC-157

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

Thymosin Alpha-1

RouteSubcutaneous
Half-life~2 hours (plasma)
FDA statusNot approved (US)
WADANot specifically named
Full Thymosin Alpha-1 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
2009Thymosin Alpha-1Zhang YY, Chen EQ, Yang J, Duan YR, Tang H. Treatment with thymosin alpha-1 for chronic hepatitis B: a meta-analysis. J Viral Hepat. 2009;16(6):448-458. PMID: 19243498. PMID 19243498meta-analysis
2013Thymosin Alpha-1Wu J, Zhou L, Liu J, Ma G, Kou Q, He Z, Chen J, Ou-Yang B, Chen M, Li Y, Wu X, Gu B, Chen L, Zou Z, Qiang X, Chen Y, Lin A, Zhang G, Guan X. The efficacy of thymosin alpha 1 for severe sepsis (ETASS): a multicenter, single-blind, randomized and controlled trial. Crit Care. 2013;… PMID 23327199human trial
2010Thymosin Alpha-1Maio M, Mackiewicz A, Testori A, Trefzer U, Ferraresi V, Jassem J, Garbe C, Lesimple T, Guillot B, Gascon P, Gilde K, Camerini R, Cognetti F; Italian Melanoma Intergroup. Large randomized study of thymosin alpha 1, interferon alfa, or both in combination with dacarbazine in pati… PMID 20194853human trial
2005Thymosin Alpha-1Iino S, Toyota J, Kumada H, Kiyosawa K, Kakumu S, Sata M, Suzuki H, Martins EB. The efficacy and safety of thymosin alpha-1 in Japanese patients with chronic hepatitis B; results from a randomized clinical trial. J Viral Hepat. 2005;12(3):300-306. PMID: 15850471. PMID 15850471human trial
1998Thymosin Alpha-1Chien RN, Liaw YF, Chen TJ, Yeh CT, Sheen IS. Efficacy of thymosin alpha1 in patients with chronic hepatitis B: a randomized, controlled trial. Hepatology. 1998;27(5):1383-1387. PMID: 9581695. PMID 9581695human trial
1989Thymosin Alpha-1Gravenstein S, Duthie EH, Miller BA, Roecker E, Drinka P, Prathipati K, Ershler WB. Augmentation of influenza antibody response in elderly men by thymosin alpha one. A double-blind placebo-controlled clinical study. J Am Geriatr Soc. 1989;37(1):1-8. PMID: 2642485. PMID 2642485human trial
2008Thymosin Alpha-1Poo JL, Sánchez Ávila F, Kershenobich D, García Samper X, Torres-Ibarra R, Gongora J, Cano C, Parana R, Wiegand J, Schiff E, Rodriguez V, Uribe M. Triple combination of peginterferon alpha-2a, ribavirin and thymosin alpha-1 as rescue therapy for non-responders and relapsers to p… PMID 19034240human study
2003Thymosin Alpha-1Saruc M, Ozden N, Turkel N, Ayhan S, Hock LM, Tuzcuoglu I, Yuceyar H. Long-term outcomes of thymosin-alpha 1 and interferon alpha-2b combination therapy in patients with hepatitis B e antigen (HBeAg) negative chronic hepatitis B. J Pharm Sci. 2003;92(7):1386-1395. PMID: 12820143. PMID 12820143human study
1977Thymosin Alpha-1Goldstein AL, Low TL, McAdoo M, McClure J, Thurman GB, Rossio J, Lai CY, Chang D, Wang SS, Harvey C, Ramel AH, Meienhofer J. Thymosin α1: isolation and sequence analysis of an immunologically active thymic polypeptide. Proc Natl Acad Sci USA. 1977;74(2):725-729. PMID: 265536. PMID 265536mechanism / discovery
2017Thymosin Alpha-1Matteucci C, Grelli S, Balestrieri E, Minutolo A, Argaw-Denboba A, Macchi B, Sinibaldi-Vallebona P, Perno CF, Mastino A, Garaci E. Thymosin alpha 1 and HIV-1: recent advances and future perspectives. Future Microbiol. 2017;12:141-155. PMID: 28004573. PMID 28004573review
2015Thymosin Alpha-1Camerini R, Garaci E. Historical review of thymosin α 1 in infectious diseases. Expert Opin Biol Ther. 2015;15 Suppl 1:S117-127. PMID: 26098874. PMID 26098874review
2019Thymosin Alpha-1Liu Y, Pan Y, Hu Z, Wu M, Wang C, Feng Z, Mao C, Tan Y, Liu Y, Chen L, Li M, Wang G, Yuan Z, Diao B, Wu Y, Chen Y. Thymosin alpha 1 reduces the mortality of severe coronavirus disease 2019 by restoration of lymphocytopenia and reversion of exhausted T cells. Clin Infect Dis. 202… PMID 32442267research article

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Frequently asked

Have BPC-157 and Thymosin Alpha-1 been studied together?

Researchers have published mechanistic-level co-administration discussion of BPC-157 and Thymosin Alpha-1. 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 Thymosin Alpha-1 share?

BPC-157 and Thymosin Alpha-1 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 Thymosin Alpha-1?

BPC-157: Category 2 (reclassification pending). Thymosin Alpha-1: Not approved (US). 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 Thymosin Alpha-1?

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 Thymosin Alpha-1 profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026