Injections are one option a provider may recommend when a deficiency is confirmed, especially when absorption is a concern
(2003) Randomized, placebo-controlled trial of intramuscular vitamin B12 for the treatment of hyperhomocysteinaemia in dialysis patients
Moreover, Vitamin B12 is critical for maintaining healthy skin, hair, and nails, and is vital for cellular reproduction
Green et al 26 Severe clinical abnormalities should be treated intensively with B 12 , cyanoB 12 or hydroxyB 12 : HydroxyB 12 is commonly used in Europe, often at intervals of 23 months, as it seems to have better retention than cyanoB 12
Following this, we recommend a maintenance B12 shot every 3-4 weeks to maintain B12 levels and support optimum wellness