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Drug/Laboratory Test Interactions Most antibiotics, methotrexate, and pyrimethamine invalidate folic acid and vitamin B12 diagnostic microbiological blood assays
Tirzepatide does not typically disrupt sleep, though some researchers report tirzepatide-related sleep changes that may need management
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Vitamin B12 plays a critical role in supporting red blood cell formation, neurological health, and DNA synthesisdeficiencies can lead to fatigue, mood changes, and cognitive decline
Even those taking supplements may require shots based on testing
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