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B 29 AQ 1500MCG PREFILLED SYRINGE(PFS) is used to manage diabetic neuropathy (nerve damage caused by diabetes), peripheral neuropathy (peripheral nerve damage that affects hands, feet and arms) and megaloblastic anaemia (blood disorder) caused by vitamin B12 deficiency in affected individuals

Most vets start on the lower end and adjust based on response

doi: 10.3390/molecules29040866

NOW has tested some of the same brands previously, while testing other categories, and found similar problems

Such experiments require careful control of preparation variables because small concentration drift can reshape response curves and complicate interpretation