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foxo4-dri side effects Peptide Senescent Cells | Their Role
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[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy

These are not clinical arguments

It should be noted that higher dosages of vitamin B12 may be necessary when treating this population

Fruit and vegetable intake and bones: A systematic review and meta-analysis
