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Dont expect weight-loss or a big energy boost from B12 unless you were deficient (Mayo Clinic)
[13] [15] Rare but serious side effects include hypersensitivity reactions, such as urticaria, angioedema, or anaphylaxis, which require immediate medical attention
Discontinuation usually leads to gradual return to pre-treatment status over several months
Great experience with this single injection product
Standard dosing in clinical settings ranges from 250-500 mcg per day, usually administered in the morning on an empty stomach
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