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Individuals with risk factors for B12 deficiency including strict vegans, those with gastrointestinal conditions, patients taking long-term metformin or proton pump inhibitors, and older adultsshould discuss screening with their GP, even in the absence of obvious symptoms
Improper reconstitution and storage Peptides are fragile molecules
Mahley RW, Weisgraber KH, Huang Y
Deciding between vitamin B12 and B complex supplementation depends on your individual nutritional status, dietary habits, health conditions, and specific risk factors
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