I've read potassium can drop but mainly in the loading phase
The supervised approach is what lets you get the upside while someone qualified is watching for anything that doesn't fit
Because the B12 shot bypasses the first-pass breakdown by the liver, the B12 hits your bloodstream almost immediately
You will just be withdrawing less or more product out of the vial to get the dosage you want
Like any treatment, there are things to watch out for and best ways to go about it
The NHS symptoms list groups them into general anaemia symptoms (tiredness, breathlessness, headaches, loss of appetite, weight loss) and neurological signs (peripheral neuropathy, balance problems, depression, memory and concentration changes, sometimes mood changes or psychosis in advanced cases)