Everyone says NAC can make glutathione. Wrong. Evidence against this is staring right at you. As you can see here, my wife's GCLC gene is genetically slower. Thus, she cannot convert Cysteine Significantly better. A powerful reminder to love and respect your body. When we start taking our health for granted, we're literally creating personal shackles. As stated in my book, 'Health' is spelled Glutathione with Cofactors Lozenges Genetic Testing, MTHFR & SIBO w Ben Lynch, ND