does sublingual b12 work as well as injections What Are B12 Injections? And

This maintains the same total weekly dose while reducing the peak concentration that drives side effects

Folate is abundant in fresh, green feeds, but processing feed rapidly destroys it

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Also, be careful if you have megaloblastic anemia

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