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The metabolisation of each form is quite different and the effects differ considerably
The specific storage and B12 injection instructions are added to a drug pack
True vitamin B12 overdose is exceptionally rare because it is water-soluble and excess amounts are excreted through urine
Oral supplements, on the other hand, require ingestion and absorption through the digestive system
A plan tailored by doctors
[16] In the absence of intrinsic factor or distal ileum receptors, only months to a year of vitamin B 12 are stored
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