vitamin b12 deficiency injections how often Injections: What You Need To Know Vitamin B12 Injection When? Frequency,

High doses may put additional strain on the kidneys, potentially causing adverse effects

It represents an emerging research compound in metabolic studies

10.1186/s12986-022-00653-9 171 ZhouQ.HuangZ.-G.ZhuX.-J.XieZ.-H.YaoT.-F.WangY.-H.et al (2018)

Unlike B12 deficiency, which produces well-recognised neurological and haematological manifestations, hypercobalaminaemia is typically asymptomatic

Lancet (London, England)

The vitamins may take some time to fully absorb into the body, meaning with injections it may take a few days or weeks before the effects are noticeable, and may take a bit longer for vitamin supplements, but at the recommendation of a doctor, you should feel better with the correct amount of vitamin B12 being taken regularly