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This analytical approach is similar to what is used in research institutions where precision and accuracy in compound analysis is critical for scientific research
Ann N Y Acad Sci
Conversely, B12 deficiency may have an effect on metabolism that plays a role in obesity
It's estimated that between 10 percent and 30 percent of people older than 50 produce too little stomach acid to release B12 from its carrier protein in foods
However, there is no robust evidence that B12 injections enhance energy, alertness, or performance in individuals whose B12 levels are already adequate
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