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Key Takeaways Serum B12 alone misses up to 50% of functionally deficient patients always add MMA for confirmation The optimal longevity range for serum B12 is 500900 pg/mL, far above the standard lab cutoff of 200 pg/mL B12 deficiency progresses through four stages, from depleted stores to irreversible neurological damage Methylcobalamin is the preferred supplementation form for most people
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Experimental approaches, such as miR-34a modulation, 17-estradiol supplementation, and L-carnitine administration, show promise in mitigating ketamine-induced neurotoxicity (Li et al., 2013
All treatments are administered by licensed clinicians who prioritize comfort, safety and individualized care
Surgery 115 , 176181 (1994)
