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Others are early in research but backed by data that demands attention
Women on vegetarian or vegan diets, digestive issues, and the elderly should all seek medical advice if they are concerned about their vitamin B12 levels
If your levels are suboptimal and you are symptomatic, the protocol that follows is custom-built around your labs and goals
You have complex medical conditions that require more hands-on medical oversight
doi:10.1002/mrm.21234
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