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(1996) [Effect of vitamin B12 on sleep quality and performance of shift workers]
High-dose supplementationparticularly intramuscular injections that can deliver 1,000 micrograms or morecreates substantially elevated serum B12 levels compared to dietary intake, which may more readily trigger these bacterial changes, though comparative studies between different forms are limited
During these studies, the scientists administered it as injections
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Some patients may require imaging studies (ultrasound, CT scanning) or referral to hepatology, haematology, or oncology services
Natera SH, Jiang WJ, Ng FM
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