You cant overdose, and theres no toxicity threshold
Orthopaedic Journal of Sports Medicine (2025) 2
It is continuously researched for a number of therapeutic applications in relation to its healing potential, which could be used to overcome soft and hard tissue injuries, GI disorders, and inflammatory diseases, just to name a few conditions [2, 3, 4, 5, 6]
Vitamin B12 is more effective as an injected than in pill form, so you get the maximum benefit of this nutrient
GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine
Rather, it may help reduce some of the fatigue and sluggishness that make it harder to maintain healthy choices