l carnitine and prostate cancer Acetyl-L-Carnitine downregulates invasion (CXCR4/CXCL12, MMP-9) angiogenesis (VEGF, CXCL8) pathways in cells: rationale for prevention and interception strategies | Journal of Experimental & Clinical Cancer Research L-Carnitine – Nutra Biogenesis

It stimulates endogenous GH release in healthy humans and is safe to use (48)

But in practice, and especially with regard to synthetic and recombinant peptide forms, there are some considerable potential safety concerns: Immunogenicity Most notably, per a 2020 assessment on therapeutic peptide safety, synthetic and recombinant peptides pose the risk of immunogenicity the ability of a substance to provoke an immune response.15 An immunogenicity-inducing peptide, when introduced to the body, would cause the bodys immune system to perceive the peptide not as a medication but as a threat

Nat Commun (2016) 7:13683.10.1038/ncomms13683 28 BuckMDOSullivanDKlein GeltinkRICurtisJDChangCHSaninDEet alMitochondrial dynamics controls T cell fate through metabolic programming

Dordrecht: Springer (2013)