Dont let anyone a GP, physio, orthopaedic surgeon, or anyone else tell you that you must stop exercising
They are produced in various plants and animals and cause nonspecific lysis [47]
Patients should seek urgent evaluation for new or worsening weakness, trouble walking, new neurological deficits, severe confusion, chest pain, shortness of breath, fainting, severe anemia symptoms, bowel or bladder dysfunction, saddle anesthesia, fever, unexplained weight loss, rapidly worsening numbness, or rapidly worsening symptoms
Alt Text: GHK-Cu peptide claim strength matrix comparing topical skin aging, wound-care context, hair growth, injectable regeneration, and systemic anti-aging evidence
You know how they do it
The points below summarize categories where caution is most consistently flagged in reviews and regulator notices