b12 injection side effects pregnancy Vitamin Sites: All You Need to Know are b12 injections safe during

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While no mechanism suggests delayed toxicity, this cannot be completely ruled out without long-term controlled studies

Week 1-2: Minimal visible changes You're unlikely to see much in the first two weeks

Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant

Those who struggle with these symptoms may need injections to meet their nutritional needs

Avoid exposing the product to heat or moisture