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Efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial
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These individuals may need much higher doses or may not see the same results as they would with injections
Where neurological symptoms are present, loading runs 1mg on alternate days until there is no further improvement, which is a presentation that belongs with a GP or specialist rather than a wellness clinic
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