Sociodemographic characteristics Diagnosis (vitamin B12 deficiency or pernicious anaemia), age, sex, education level, employment status, country of residence (England, Wales, Scotland, Northern Ireland, Republic of Ireland), region of residence (nine English regions, according to the Office for National Statistics, Wales, Scotland, and Northern Ireland) were assessed using the questions in Supplementary Table S1
The research-grade material supplied by Koi Peptides is synthesized independently for in vitro laboratory research only not formulated, packaged, or labeled for human use, not equivalent to any approved or investigational drug product, and not authorized for any human or veterinary indication
Requires medical supervision and use for defined treatment periods
If you are comparing options and fatigue is a primary concern, our guide on the best peptides for energy covers compounds that may complement rather than compete with your energy levels
Many patients notice increased energy and improved skin tone within a few sessions, with optimal benefits developing over time with regular treatments