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The systematic review protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO), registration number: CRD42024554513 (Available from) ( 2.2 PICOs question The primary research question addressed in this review was: What is the effectiveness of sublingual/oral administration of Vitamin B12 alone or compared to other forms of administration (e.g., intramuscular injection)?
While it is naturally found in animal-based foods, some individuals may have difficulty absorbing it adequately
It is crucial to have a proper diagnosis before beginning B12 supplementation to avoid overuse or unnecessary treatment
Well look at the key guidelines for Vitamin B12 injections
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