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Men in both studies, on a diet devoid or nearly devoid of vitamin C, had blood levels of vitamin C too low to be accurately measured when they developed signs of scurvy, and in the Iowa study, at this time were estimated (by labeled vitamin C dilution) to have a body pool of less than 300 mg, with daily turnover of only 2.5 mg/day.
Mayo Clinic also notes that for most people, a healthy diet alone can supply enough vitamin C. “Aim to get at least 90 mg per day of vitamin C from food,” Blautner recommends. She suggests the ...
The condition is associated with sailors who weren't eating fruit and vegetables — but it's more common than you'd think.
Research shows the use of vitamin E and onion extract (sold as Mederma) as treatments for scars is ineffective. [52] Vitamin E causes contact dermatitis in up to 33% of users and in some cases it may worsen scar appearance and could cause minor skin irritations, [55] but Vitamin C and some of its esters fade the dark pigment associated with ...
Dehydroascorbic acid (DHA) is an oxidized form of ascorbic acid (vitamin C). It is actively imported into the endoplasmic reticulum of cells via glucose transporters. [ 1 ] It is trapped therein by reduction back to ascorbic acid by glutathione and other thiols . [ 2 ]
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Consuming foods that contribute to the skin's health, such as zinc-rich foods, protein-rich foods, and foods high in vitamin A, C, and D, can help suppress stretch marks. [19] A systematic review has not found evidence that creams and oils are useful for preventing or reducing stretch marks in pregnancy. [ 3 ]
Cooking can reduce the vitamin C content of vegetables by around 60%, possibly due to increased enzymatic destruction. [37] Longer cooking times may add to this effect. [38] Another cause of vitamin C loss from food is leaching, which transfers vitamin C to the cooking water, which is decanted and not consumed. [39]