See these diagrams: Source: Clinical Procedures for Safer Patient Care by Doyle & McCutcheon
The longer session allows for a steady, controlled infusion of larger fluid volumes
(PubMed) Penninx BW, Guralnik JM, Ferrucci L, Fried LP, Allen RH, Stabler SP
Pernicious Anemia: If treating pernicious anemia, you may have to use Vitamin B12 Injections for the rest of your life
Safe Relief Thats Affordable IV Vitamin B12 therapy is administered by licensed medical professionals
Those who dont consume any type of animal product including dairy, Vegans, are prone to vitamin B12 deficiency unless they take specific measures to supplement or consume fortified food products