You can self-administer the injection as well after that
Take care and stay safe, Tracey x www.b12deficiency.info
Reporting summary Further information on research design is available in the Nature Portfolio Reporting Summary linked to this article
However, if left untreated, it can progress and cause: Chronic fatigue and overall weakness Dizziness Pale or yellowish skin tone Mental health problems such as depression, mood swings, irritability, and anxiety Loss of appetite, nausea, and diarrhea, leading to weigh loss Paresthesia: numbness, tingling or burning sensation in feet, legs, and hands Vision problems Vitamin B12 is an essential nutrient, meaning everyone should get it either from food or supplements
Over the workweek, thats 50 mg/day 5 = 250 mg/week (with weekends off)
Calculate doses precisely, rotate injection sites, and be patient with results