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
Some athletes also use injections to support their energy and recovery
Hayashi Y, Ajani JA, Correa A, Hofstetter WL, Vaporciyan AA, Rice DC, Walsh GL, Mehran RJ, Suzuki A, Lee JH, Bhutgani M, Lin SH, Welsh J, Maru DM, Swisher SG
Society of University Surgeons
Eating too much methionine or polyphenol-rich foods can raise Hcy levels, lower antioxidants like glutathione, and harm blood health over time
10.1038/s41586-019-1705-2 8 Bosello-TravainV.ConradM.CozzaG.NegroA.QuartesanS.RossettoM.et al (2013)
