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User 3 was still gaining ground at week 8, three weeks after ending the cycle at day 40
Clinical trials suggest that it often takes several weeks to a few months of consistent, daily supplementation before patients notice significant improvements in baseline energy levels, cognitive clarity, and exercise tolerance
(2024, November 8)
The time it takes for B12 treatment to work depends on several factors, including the severity of deficiency, the route of administration, and individual patient characteristics
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