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a mild stinging sensation may occur due to the quinolinium structure
Summary: Vitamin B12 treatment typically begins producing early haematological responses within 34 days, with neurological symptoms starting to improve within 12 weeks, though complete symptom resolution may require several weeks to months depending on deficiency severity and treatment route
Patients with common forms of retinitis pigmentosa should therefore avoid taking high-dose vitamin E supplements if they are not deficient in vitamin E (see Deficiency)
Prioritize: Glutathione
doi: 10.1038/ejcn.2017.132 31
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