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Understanding whether vitamin B12 is water-soluble helps explain its absorption mechanisms, storage capacity, and why deficiency develops gradually despite efficient hepatic reserves
Reported symptoms include headache, nausea, diarrhea, facial flushing, and in rare cases, skin rash or tingling
They often show the symptoms of vitamin B12 deficiency, but when they get tested their vitamin B12 levels are normal
In other individuals, these polymorphisms can cause megaloblastic anaemia, coronary heart disease and stomach cancer
The thin needles (29-31 gauge) used for subcutaneous injection are significantly smaller than those used for vaccines or blood draws
This typically pushes toward evening dosing
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