Their study, lately printed on-line in JAMA Network Open, included 214 covid-positive individuals with a mean age of 45. The researchers divided the contributors into 4 teams. One group obtained normal remedy, one bought excessive doses of vitamin C, one bought excessive doses of zinc and the fourth group bought each dietary supplements. “We studied doses above the recommended intake [for zinc, it was 50 mg per day, about five times the amount healthy people should get in their diets each day] because that’s what had been shown to be beneficial in previous studies of colds,” Thomas says. “But even at such high doses, we did not find any difference between our four treatment groups in terms of duration or severity of covid symptoms.”

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