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Most people tolerate B12 injections well
However, a large part of the B12 measured in this way is not usable by the body
a 15-year-old female with well-documented hypopituitarism secondary to a craniopharyngioma
A: Many clients feel a mild boost within 2448 hours, with more noticeable improvements in energy and focus over 13 weeks
Some users run it continuously for 6 months without reported issues, but this exceeds the controlled evidence base
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