sublingual vs injection b12 Efficacy of versus oral vitamin supplementation for the treatment of vitamin B12 deficiency–A prospective randomised open label study B12 Injections vs. Oral Supplements:
Description
Patil, H

Arendt JF, Farkas DK, Pedersen L, Nexo E, Srensen HT

Minerva Pediatr (Torino)

The break is not required for safety or receptor resensitization, but it allows for reassessment and prevents indefinite use of a compound with limited long-term human data

Im well thank you , but only because Ive now learnt to look after my health ( Self injecting b12 , after being sent on my way with Everything is normal blood test , which I found out , years later, that my B12 was well below range
