nasal b12 vs injection Cyanocobalamin Spray 500 mcg: Boost & Energy — Mountainside Medical Prenicious Anemia: Causes, Symptoms, Diagnosis

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The dosing regimen varies depending on whether neurological symptoms are present: With neurological involvement: 1 mg intramuscularly on alternate days until no further improvement, then 1 mg every 2 months [3] [4] Without neurological involvement: 1 mg intramuscularly three times a week for 2 weeks, then 1 mg every 2-3 months for maintenance [3] [4] There is some evidence that high-dose oral B12 (1000-2000 micrograms daily) may be effective even in some malabsorption conditions, though UK practice still generally favours intramuscular treatment in these cases

So let's take my two options below, if I were dosing the 500mg thiamine, it would be 1cc per 100lb

Negative feedback typically involves concerns over the precision of dosing and potential health risks

Prevention and treatment of copper deficiency in sheep