N-acetylcysteine to Reduce Oxidative Stress and Improve Endothelial Function in HIV-infected Older Adults

"PharmaNAC is considered a nutritional supplement and can be obtained without a prescription. All participants will be asked to ingest two tablets twice per day during this trial. For those randomized to PharmaNAC 1800 mg twice daily, this will be two active tablets twice per day. For those randomized to PharmaNAC 900 mg twice daily, this will be one active tablet twice per day and one matching placebo tablet twice per day. For those randomized to placebo, this will be two matching placebo tablets twice per day.~PharmaNAC can be taken with or without food. The effervescent tablets should be dissolved in 8 oz. of water or juice prior to oral intake. Each participant will take study drug and/or matching placebo for 8 weeks (up to 60 days)."

Inactive pill that matches PharmaNAC on taste, color, and appearance.