The MHRA position, summarised by Lynda Scammell (head of borderline products at the MHRA) and reported in The Guardian on 4 April 2026, is that products which are sold for human use or which carry medicinal claims fall inside the Human Medicines Regulations 2012, and that the MHRA is investigating UK clinics making such claims about unregulated peptide products
Similar content being viewed by others Introduction Antipsychotic drugs (APDs) are widely used worldwide to treat highly prevalent psychiatric illnesses including schizophrenia, bipolar disorder, and major depressive disorder 1,2
Online, it is typically sold as a research peptide in lyophilized powder form
Death occurs after a period of several days to two weeks, usually from internal hemorrhaging
It has shown good efficacy in the treatment of malignant tumours, such as prostate cancer, breast cancer, and chronic lymphocytic leukaemia [129]
Can I use peptides if I have a history of cancer