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Sulfonamide allergy and cross-reactivity
After initial repletion, a maintenance dose is given, often 1,000 mcg intramuscularly every month or every 2 to 3 months, to prevent recurrence of deficiency
Secondary containment trays reduce spill risk during multi-step reconstitution
Vitamin B12 and other nutrients are delivered directly into your bloodstream with a 100% absorption rate
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