Amazon has the 60-Count Doctor's Best NAC Detox Regulators with Seleno Excell Caps for $5.14 - 5% off with Subscribe & Save (can cancel anytime) - 25% off coupon (check “Save an extra” box, eligible on first S&S order for this product)= $3.60 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders). Contains N-Acetylcysteine (NAC) and Selenium.