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Reporting symptoms early is safer than waiting
2 Weeks each: 0.2mg, 0.4mg, 0.6mg, 0.9mg, 1.12mg, 1.5mg 4 Weeks: 1.9mg 4 Weeks: 2.16mg 4 Weeks: 2.64mg Why is titration important
B12 is water-soluble, so your body clears what it does not use
Mehta, 2 March 2026, JAMA Internal Medicine
The molecule drives the pharmacology in either case
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