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For general context, see peer-reviewed articles in major journals (reading list below)
DOI: 10.1163/156856208784909435
The utility of vitamin B12 is not restricted to curing deficiencies
Several factors affect how often B12 injections are needed: The severity of the initial deficiency The presence of neurological symptoms Underlying health conditions affecting B12 absorption The patients response to initial therapy Ongoing monitoring of serum B12 levels By customizing the injection frequency for each patient, we make B12 therapy more effective
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![sources of l carnitine in food L-Carnitine contents foods (modified from [70]) L-Carnitine](https://www.researchgate.net/publication/377831689/figure/tbl3/AS:11431281221192122@1706708449981/L-Carnitine-contents-in-foods-modified-from-70_Q320.jpg)
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