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Learn more about symptoms of a B12 deficiency on the NHS website
Typically it starts with a textural difference you can only feel
Using sterile needles and syringes, and proper disinfection of vial stoppers, is paramount
10.1016/j.brainresrev.2008.12.010 46 IbiM.MatsunoK.ShibaD.KatsuyamaM.IwataK.KakehiT.et al
We then take a breath sample every 15-20 minutes for up to 3 hours which measures the type, timing and amount of gas being exhaled to get a picture of what is happening in the small intestine
This helps ensure that the developing baby gets enough of this important vitamin
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