PMID 6769048
Symptoms and Signs of Excess Vitamin B12 True vitamin B12 toxicity is exceptionally rare, and when elevated B12 levels are detected, they are often asymptomatic and discovered incidentally during routine blood tests
Other types of eczema include: contact eczema, allergic
Its deficiency can cause neurodevelopmental problems, which can be partly reversible with early treatment
A deficiency of vitamin B12 is fairly difficult to diagnose and there are quite a few variables that can lead to the deficiency or just not quite having enough of it regularly, so injections of vitamin B12 can benefit quite a few people who suffer from symptoms including brain fog, fatigue, lethargy, feelings of depression, tingling in their hands or feet, dizziness, and memory loss
For larger volumes, repeated dosing or clients with limited deltoid mass, the ventrogluteal site is the safer alternative: it carries the greatest muscle depth and sits away from major nerves and vessels