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Vitamin B12 is essential for maintaining proper brain function and the development of your nerves

Exploratory outcomes (observational follow-up phase: 12th to 24th week) 1) Therapeutic response of the control side: The change in key outcome measures (the size of the erosion area, REU/RHU scores, VAS, periodontal clinical parameters) on the original control side will be calculated using the 12-week assessment as the new baseline and the 24-week assessment as the endpoint, following the administration of delayed periodontal therapy

While many protocols use a fixed dose like 500 mcg, more precise research often calculates it on a mcg-per-kg basis

Other studies have found no link between vitamin B12 deficiency and MS

doi: 10.1016/j.mcna.2021.01.003, 46

The cumulative error becomes catastrophic to your data's validity