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When you take B12 orally, it has to pass through the stomach and intestines before being absorbed into the bloodstream (believe us, it's a long journey - have you ever seen that one Magic School Bus episode?!)
We monitor patients and adjust protocols based on response
Each one is avoidable with a careful read of the steps earlier in this guide
A., Moses, K., Schwartz, R
Your body's energy systems might struggle without enough B vitamins, which could affect hormone production
For observational studies reporting serum vitamin B12 levels, the certainty of evidence was upgraded from low to moderate due to the large and consistent magnitude of effect across studies, despite heterogeneity
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