A 2014 study involving 976 subjects reported similar results (2)
Giving yourself B12 injections at home is easier and more convenient than having your doctor do it every time, but doing the first injection can be a little unnerving for most folks
Low B12 levels are linked to mood changes and irritability
While IGF-1 has important physiological functions, elevated levels carry potential concerns including increased cell proliferation that may support tumor growth in individuals with cancer or pre-cancerous conditions, accelerated aging processes through growth pathway activation, potential cardiovascular effects with chronic elevation, and metabolic consequences including effects on glucose and lipid metabolism
Individuals who have trouble absorbing B12 through their diet, such as vegetarians, vegans, or those with certain gastrointestinal conditions, may find these injections particularly useful in supporting their overall energy levels and weight loss goals