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avoid overtraining during injury recovery phases
Some may begin to notice a boost in energy and well-being within a few days, while others might require a few weeks to observe noticeable differences
Data availability The datasets generated and analyzed during this study are included in the Supplementary files
For vitamin B12 specifically: Normal result (above 220 pmol/L): I do not add B12 supplementation to your regimen
When B12 levels are low, oxygen delivery and energy metabolism can be affected, leaving you feeling tired or sluggish
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