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The arginine salt formulation dramatically improved oral bioavailability
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We are not aware of any movement to make these tests more available even though the NICE Guideline on B12 Deficiency recommended the use of these tests, together with presentation of symptoms, to diagnose B12 deficiency and Pernicious Anaemia
This drug is also available in the form of capsules
The preservative load suppresses these inputs but eventually depletes against repeated insults
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