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Our recommendation: Take 200 mg daily
However, as with any supplement, it's best to consult your healthcare provider before starting, especially if you have pre-existing conditions or are taking prescription medications
GP can find treatment info for those with and without neuro symptoms in their copy of BNF book Chapter 9 Section 1.2 Some UK areas have local B12 treatment guidelines which in some cases are very out of date
PMID: 21030672 | doi:10.1152/japplphysiol.00945.2010 Zivanovic-Posilovic G et al
If you are pregnant, planning pregnancy, or nursing, avoid use until more data becomes available
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