Reconstitute the 5 mg vial with 2 mL of bacteriostatic water, swirl gently, and store at 28C, using within 4 weeks
B12 levels between 200 and 300 pg/mL are considered borderline low
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What are the most common animals Butaphosphan + Vitamin B12 is used for
When synthetic vitamin B12 is added to fortified foods and dietary supplements, it is already in free form and, thus, does not require this separation step
For stock solutions, many laboratories dissolve in DMSO or ethanol before aqueous dilution for in-vitro work