While available for research use in places like the U.S., peptides are not officially approved for human use by regulatory agencies such as the FDA
10.1007/s00787-006-0538-3 [DOI] [PubMed] [Google Scholar] 35.Dvorakova M, Sivonova M, Trebaticka J, Skodacek I, Waczulikova I, Muchova J, et al
Our standard B12 for drips is methylcobalamin (generally thought to be the most absorbable form,) and we also carry cyanocobalamin for anyone who is sensitive to methylated B vitamins
Works progressively over weeks and months
GHK-Cu is not licensed by the MHRA for human or veterinary use in the United Kingdom

Documented Long-Term Side Effects of Corticosteroids Bone loss and fractures due to calcium and vitamin D depletion and impaired osteoblast activity (2) Blood sugar dysregulation and steroid-induced diabetes through increased insulin resistance and gluconeogenesis (3) Muscle wasting and impaired connective tissue repair from protein catabolism and suppressed synthesis (4) Weakened immunity, delayed healing, and prolonged infections related to micronutrient depletion and immune suppression (5) Weight gain, mood changes, and insomnia driven by hormonal and circadian disruption (6,7) Abnormal blood lipids, hypertension, and increased cardiovascular risk , including heart attack, with long-term use (8) Thinning skin and easy bruising from collagen breakdown and connective tissue loss (9) Psychiatric effects , including anxiety, irritability, depression, andin severe casessteroid-induced psychosis, particularly at higher doses or with prolonged exposure (10) Even short-term corticosteroid use can cause side effects in susceptible patients
