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3b), despite no significant differences in body weight at the end of the study (Fig
However, when synthetic levothyroxine is necessary, PrimeHealths specialists may prescribe them

It is also worth noting that Vitamin B12 injections do not need the digestive system to be absorbed by the body, which makes them particularly beneficial for those who suffer from vitamin B12 deficiency as a result of problems in the digestive system, or as a result of a lack of intrinsic factor in the stomach.

[PMC free article: PMC232521] [PubMed: 9343431] 9
