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Conclusion Though not perfect, the no longer available Schillings test presented a useful option for judging the uptake of B12 and for clarifying whether an impaired uptake was caused by the lack of intrinsic factor
Animals do not benefit from extra B12 and will just excrete it in their urine, she explains
Reference ranges vary slightly between laboratories, but the general framework used by most U.S
What are the alternatives, and how do they compare in terms of evidence and risk
People with Chronic Fatigue or Unexplained Low Energy: After ruling out other causes, B12 deficiency might be a contributing factor
![PDF] Hepatotoxicity of paracetamol and related fatalities](https://figures.semanticscholar.org/56c82823292e7fd5d7f4ee9c6ceefc53147ef036/3-Figure1-1.png)
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