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The side effects were most commonly gastrointestinal, with 16.7% on the lowest dose up to 100% on the highest dose with no serious adverse events [62]
General steady-state energy feels more consistent across the day
The duration of B12 injection effectiveness can vary based on the type of injection administered (hydroxocobalamin, cyanocobalamin, methylcobalamin) and individual metabolism
Patrignani P, Panara MR, Tacconelli S, Seta F, Bucciarelli T, Ciabattoni G et al
Vitamin B12 deficiency is a genuine clinical concern but the right treatment depends on accurate diagnosis and individual factors
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