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Research suggests that megadoses of two milligrams per day are safe for correcting a vitamin B12 deficiency
Insulin Sensitivity and Glucose Control: Boosts NAD+ to improve mitochondrial efficiency and glucose uptake, potentially aiding type 2 diabetes management
Laboratory markers Blood tests that quantify deficiency, such as low serum B12 or anemia, often improve over weeks to months
Telehealth is useful, but it cannot replace in-person care in all cases
But it comes with important caveats: lack of FDA approval, variability risks, and transitional regulatory changes
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