Food and Nutrition Board recommends a safe upper limit of 100 mg per day, rare cases of pyridoxine-induced peripheral neuropathy have been reported in people taking doses as low as 2440 mg per day, indicating important differences in individuals metabolism of pyridoxine

Elevated serum B12 is usually asymptomatic and discovered incidentally during routine blood tests Common causes include B12 supplementation, liver disease, haematological disorders, and chronic kidney disease Symptoms such as jaundice, unexplained weight loss, or bruising suggest underlying pathology requiring investigation B12 is water-soluble with no established upper safe limit, and excess is naturally excreted by the kidneys Management focuses on identifying and treating underlying causes rather than lowering B12 levels directly Patients with persistent elevation should undergo comprehensive assessment including liver function, renal function, and haematological investigations Table of Contents What Are the Symptoms of High Vitamin B12 Levels
10.1034/j.1399-3054.2002.1150107.x Physiol
Can I take CellLabs GlutaPlus with other medications
However, there may come times when diet and good lifestyle habits are not enough