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Patients with a severe needle phobia, tremors, poor eyesight, or cognitive impairment should have a partner, family member, or healthcare provider administer the injection instead
You can decide which method to choose depending on which one is more comfortable for you
Age You are more likely to be B12 deficient if you are over the age of 65, as the body becomes less efficient at absorbing nutrients as you go on in life
Oral B12 absorption is not a fixed percentage
22 May 2026 6 min Why do I feel worse after my B12 injection
The dose depends on whats in it
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