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Food and Drug Administration) Dietary deficiency of vitamin B 12 occurring in strict vegetarians and in their breastfed infants (isolated vitamin B 12 deficiency is very rare) Malabsorption of vitamin B 12 resulting from damage to the stomach, where intrinsic factor is secreted, or damage to the ileum, where intrinsic factor facilitates vitamin B 12 absorption
Options include oral, sublingual, and injectable forms
Generally, when treating a B-12 deficiency, youll get a 1,000-microgram shot every day or two for the first week (2)
IV doses are 1000-2000 mcg
It remains the subject of active research into cardiovascular outcomes (SELECT), heart failure with preserved ejection fraction (STEP-HFpEF), and neurocognitive applications
How GLP-1 receptor agonists aid in weight loss
