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A licensed provider can help you weigh these factors
Trends in Cell Biology , 24 (8), 464471
Always leave a small headspace so pressure stays balanced during withdrawal
Pregnant or Breastfeeding Women: Expectant mothers may need additional B12 to support their own health and the development of their baby
In this case, your doctor may order other tests such as methylmalonic acid, homocysteine and C-reactive protein to better understand your vitamin B12 levels
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