Regulatory note: Injectable GHK-Cu is not FDA-approved for human administration and is sold only as a research chemical [10]
Month 3 and Beyond: Maintenance Phase (20 Units Daily) After reaching 20 units (1.0 mg) daily, the cjc 1295 dosage holds steady
Occasional scalp or skin irritation is the most common complaint, both of which are usually resolved by reducing concentration or frequency
Larger vials exist, but the 5mg format reduces waste if a protocol needs to be adjusted mid-course, and it keeps reconstituted solution within its optimal stability window before a new vial is needed
For patients seeking weight loss who request B12 injections, GPs should: Assess for genuine deficiency through appropriate blood tests rather than empirical treatment Provide education about the lack of evidence supporting B12 for weight loss in non-deficient individuals Explore underlying concerns about weight and energy levels, addressing these through appropriate channels Signpost to evidence-based resources such as NHS weight management services according to local pathways Patients should contact their GP if they experience unexplained fatigue, neurological symptoms (numbness, tingling, balance problems), or signs of anaemia (pallor, breathlessness, palpitations), as these may indicate B12 deficiency requiring investigation
