Heres a case of a 67-year-old man who reacted to a hydroxocobalamin B12 shot containing 1.5% benzyl alcohol
AOD9604 vs Intact hGH in Obesity Models A direct head-to-head comparison of AOD9604 and intact hGH in obese and lean mice confirmed that both compounds significantly reduced body weight gain in obese animals through increased fat oxidation and lipolysis stimulation but that AOD9604 achieved this without the hGH receptor binding, IGF-1 stimulation, hyperglycaemia, or reduced insulin secretion associated with full-length hGH treatment
Thinning skin, vasculitis, purpuric dermatosis, platelet deficiency, liver disease, vitamin K deficiency, vitamin C deficiency, moving your body during the injection, or dehydration may also cause bruising
doi:10.1210/endo.142.12.8522 Ng FM, Sun J, Sharma L, Libinaka R, Jiang WJ, Gianello R
Benzyl alcohol causes gasping syndrome (Gershanik et al., NEJM 1982) the reason for the mandatory red warning on every vial