l-carnitine and creatinine Creatine + Beta Alanine + Pre Work train harder L-carnitine, creatine and whey protein

If your primary goal is systemic or soft tissue healing , injections remain the most reliable route

2012.DOI Pickart L., Vasquez-Soltero J., Margolina A

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

Recently, Mazza and colleagues demonstrated bilirubins antioxidant and cytoprotective effects in relation to damage to endothelial cells mediated by angiotensin II (38)

You're not failing at your recovery you've just hit the ceiling of what conventional options can do for chronic tissue damage