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Helps reduce water loss from the outer layer of skin

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You should strictly avoid strenuous activity, such as lifting heavy objects, for several weeks, but you can likely return to work after a week or two

In all people, a serum ferritin level of less than 30 micrograms/L confirms a diagnosis of iron deficiency

Abstract As far as my knowledge, there are no academic guidelines for diagnosis and treatment of carnitine deficiency in the world except Japan, namely, Guideline for the Diagnosis and Treatment of Carnitine Deficiency 2016 , that was published on the website of the Japan Pediatric Society in 2016 (it was revised in 2018)