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Description
Plasma vitamin B-12 concentrations relate to intake source in the Framingham Offspring study

After 24 hours, they should be discarded, and a new injection should be prepared
Since gastrointestinal disorders such as inflammatory bowel disease can interfere with the absorption of B12, measuring B12 levels in your cats blood can be a good indicator of overall gut health

doi: 10.1016/j.aanat