But when you start looking at actual dosing protocols, everything gets murky fast
In these cases, the B12 supplement shots were to help correct or protect against B12 deficiency
In insulin resistance research, 5-amino-1-methylquinolinium injection is used to verify the relationship between NNMT and insulin resistance
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
However, the risk of bone fractures may be increased by supplements containing 25 mcg or more daily, according to some research
However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)