The "Cu" in GHK-Cu is copper, a redox-active metal
MIC+B12 with Eden Nature's active B12 Methylcobalamin is the naturally occurring, active form of vitamin B12, unlike Cyanocobalamina synthetic version that some individuals may have difficulty converting into a usable form
doi:10.1016/j.bmcl.2015.07.018 Lachaier E, Louandre C, Godin C et al (2014) Sorafenib induces ferroptosis in human cancer cell lines originating from different solid tumors
The COA should show testing that actually matches every listed active or clearly explains what was tested
This includes severe headaches, vision changes, shortness of breath, chest pain, rapid swelling, and fainting