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Description
While a deficiency in B12 can lead to serious health issues, did you know that taking too much can also cause problems

Age: People aged 15 to 45 years are most often affected

However, validation of these markers against the gold standard, i.e., Ussing chambers, is still lacking
This product is designed for laboratory research and investigational purposes only

Nature 468 , 824828 (2010)
