On the requirements of ascorbic acid in man: Steady-state turnover and body pool in smokers
In contrast, circulatory vitamin B12 levels did not exceed the borderline threshold at any time following the conventional B-SUB B12 formulation, and no significant differences were found over time (Figure 4 boxplots, top-right)
Disinfect your work surface and lay out all supplies within easy reach
Such distinction from other diluents is explained in guides comparing bacteriostatic water vs reconstitution solution
The mechanisms differ entirely
High homocysteine is associated with cardiovascular disease, Alzheimers, vascular diseases, and cancer so it is an important marker to assess, yet is rarely done as part of a standard pathology test