Thymic peptide immunomodulator approved in 35+ countries outside the US 1.6 mg twice weekly Vasoactive intestinal peptide intranasal/SubQ research context lipase monitoring Nootropic & Neuropeptides Cognitive and mood-focused peptides, many originating from Russian pharmaceutical research
Still, when dealing with dogs that cannot be handled with with the help of standard medications, when facing slow-healing wounds, inflammatory diseases, and cases that could not respond well to the traditional medicines, it is still an interesting option, which needs to be carefully considered

Subcutaneous Injection Sites Abdomen 2+ inches from navel, rotating around stomach area Outer Thighs Mid to upper outer thigh regions Upper Arms Back of upper arm (harder to self-inject) Upper Outer Quadrant of Buttocks Upper outer region for easy self-administration Proper Injection Technique Technique involves: Clean injection site with alcohol swab Pinch skin to create fold Insert needle at 45-90 angle into subcutaneous tissue Inject slowly and steadily Remove needle and apply gentle pressure without rubbing Critically: Rotate injection sites to never use the same spot consecutively Important Injection Considerations GHK-Cu specifically can cause injection site reactions ranging from mild to moderate pain due to copper peptide irritation, with possible redness, swelling, or knot formation lasting several days
10.1038/emboj.2009.333 EMBO J