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The temptation to escalate the dose because nothing is happening yet is exactly the mistake the timeline section is designed to head off the mechanism is cumulative, not dose-chased
However, pregnant women following restrictive diets like vegan or vegetarians may need supplements
Sattele with new ones added regularly
Many clinicians start with serum B12, and may add markers such as methylmalonic acid and homocysteine when results are borderline or symptoms are strong
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