Other causes of vitamin B 12 deficiency Other causes of vitamin B 12 deficiency include surgical resection of the stomach or portions of the small intestine where receptors for the IF-B 12 complex are located
Third-Party Lab Tested Certificate of Analysis Lambda Water has passed independent third-party laboratory testing against US Pharmacopeia standards, with confirmed benzyl alcohol content and pH within acceptable ranges
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Most people who eat non-vegetarian food meet their B12 needs
Headaches Some users report mild headaches, possibly due to metabolic changes
If a reaction grows, becomes more painful after two days, or shows signs of infection, seek clinical evaluation promptly