Of course, Cliffman.

I take the NAC in the Now brand supplements, which is your typical 600 mg. It also has very little Selenium and Molybdenum. I don't usually take Now since they have additives, this one has stearic and citric acid, but I've not been able to find one that has this combination with nothing added. Basically, this has worked so well, I don't want to change to a pure NAC one. For all I know the other two ingredients, the Selenium and Molybdenum are helping too. And they are useful supplements also.

Hope this helps.