niacin chromium and glutathione Common nutrient deficiencies that impact the eyes:Chromium sources: Broccoli Poultry Oats Potatoes Brewers yeast Shellfish Liver Egg yolk Tomato Mushrooms Cheese Milk I see this nutrient deficiency come up for almost Manufactured in the USA Chromium – Natural Nutra

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Apart from visual problems, i.e., retinitis pigmentosa and/or optic atrophy, and hearing loss, this cohort of 13 unrelated patients also had other clinical features such as hypotonia, global developmental delay, axonal sensorimotor polyneuropathy, regression after febrile illness, ataxia, failure to thrive, progressive microcephaly, and encephalopathy [85]

Peer review Peer review information Nature Reviews Gastroenterology & Hepatology thanks Kathleen DelGiorno and the other, anonymous, reviewer(s) for their contribution to the peer review of this work

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