Summary
NAC is typically taken in doses between 600 mg to 1800 mg per day, depending on the purpose of use.
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For respiratory disorder, fertility, and skin picking, specific doses of 600 mg, 600 mg, and 1200-3000 mg per day, respectively, have been used.
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For prevention of illness, 1200-2000 mg per day has shown results in elderly patients
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, while for treatment of illness, 2000-4000 mg per day may be more effective.
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However, doses higher than 7000 mg could cause toxicity.
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People should discuss the use of NAC and precise dosage with a physician.
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Summary
Although many dietary supplement products contain N-acetyl cysteine, the US FDA has stated that it's illegal for dietary supplements to contain N-acetyl cysteine since it's technically an approved drug. But as of August 2022, the FDA is considering changing this stance.
N-ACETYL CYSTEINE (NAC) - Uses, Side Effects, and More - WebMD
webmd.com
Summary
Because the human body can create some NAC from other amino acids , particularly l-methionine and l-serine , it is considered to be a “semi-essential amino acid.” That means there isn’t a daily requirement of NAC that you must get from your diet, but getting higher amounts can benefit some people.
N-Acetyl Cysteine (NAC Supplement) Benefits and Dosage - Dr. Axe
draxe.com
Summary
NAC's antioxidant activities might help to contribute to overall health by reducing the cell damage that sets the stage for a host of diseases. The University of Maryland Medical Center suggests starting with 500 mg daily and slowly increasing with your doctor's supervision.
Daily Dosage of N-Acetyl Cysteine | livestrong
livestrong.com
