The Role of B12 in Metabolism Vitamin B12 helps convert fat and protein into energy, supporting healthy metabolic function
Symptoms like persistent tiredness, irritability, or nausea might indicate a deficiency, which is common in individuals with low dairy or meat intake
Lebers Disease: People with Lebers disease, a rare inherited eye condition, should avoid vitamin B12 injections
An adverse prognostic factor for IC is age
I've brought this up before on this forum and got all the same kind of advice you got, and I do everything properly, and I've been doing it once or twice a week for years, so for me it's just become a fact of life that it's going to hurt
What dosage is used in research protocols