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Vitamin B12 is crucial for various bodily functions, and its deficiency can disrupt: Energy Production: Vitamin B12 is essential for converting food into energy
Many people report improved sleep quality after correcting a B12 deficiency, as B12 supports melatonin and serotonin production
PMID: 16032049
Methionine: 0.1 to 1 mM in cell culture, 100 to 500 mg per kg in animal models
Are B12 Injections Harmful
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