The burden of proof shifts
No, daily dosages of 5,000 mcg B12 methylcobalamin are considered safe
Vitamin shots can help with immune system support as they directly provide a high dose of vitamins to the body, strengthening immune function
Most clinical and research GHK-Cu protocols sit at 0.52 mg per day subcutaneously, and many patients do not inject every day - 23 injections per week is common for skin and maintenance goals
Science 171 (3971): 579581
If people lose weight while getting mic b12 shots , it may be driven mainly by the surrounding program (dietary changes, activity, counseling, and consistency), rather than the injection formula itself