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is there a loading phase for vitamin b12 injection How Long Does It Take Shots to Work Fast? B12 Injection Dose for Adults:
Description
Researchers set out to find an adequate dose at that age, and it seems we need at least about 650 to 1,000 a day in most people, hence my 1,000-a-day recommendation after age 65

This dose is used for both initial treatment and ongoing therapy

This aggressive approach aims to prevent irreversible neurological damage, as demyelination can become permanent if treatment is delayed

Given that the duodenum, jejunum, and ileum are involved in vitamin B absorption, bariatric surgery could induce intestinal malabsorption of the vitamin B complex (Table 1) [4,7]

b12 injections benefits also include a healthy pregnancy