baca manhwa water overflow Manwha Water Overflow Chapter 60 -
Description
Thats because vitamin B12 is bound to protein and can only be released by digestive substances in the stomach (hydrochloric acid and gastric protease) to be absorbed

Generally, if you are deficient in B-12, youll need some form of supplementation: oral supplements (tablets or spray) or injections
Mumby SM
Furthermore, potential risks of immune-modulating treatment during pregnancy are not specific to FcRn antagonists, as illustrated by the need for patients with TED to stop treatment with corticosteroids and anti-thyroid drugs when planning a pregnancy [344]