سعر نيرفيفوكس 30 قرص 2026

• Chronic intake of high-dose oral pyridoxine (1-6 g/day for 12-40 months in reports) can cause severe, progressive sensory neuropathy; the adult UL is 100 mg/day from all sources.General active-ingredient information · NIH Office of Dietary Supplements
• Large amounts of folate can correct the megaloblastic anaemia but not the neurological damage of vitamin B12 deficiency, so high folic acid intakes may mask B12 deficiency.General active-ingredient information · NIH Office of Dietary Supplements

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