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Although they are very rare,these symptoms can be serious
[111] The microbiological assay has been the most commonly used assay technique for foods, utilizing certain vitamin B 12 -requiring microorganisms, such as Lactobacillus delbrueckii subsp
However, some people may experience nausea or indigestion when taking vitamin B12 on an empty stomach
The safety profile is generally favorable, with most side effects being GI-related (nausea, constipation, diarrhea) that improve with time and gradual dose escalation
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