NOW Policosanol is a blend of long-chain fatty alcohols (LCFA) derived from sugar cane, a superior source of these natural plant waxes and antioxidants. This formula also includes herbs such as Artichoke and Milk Thistle that are known to support healthy liver function. Our NOW natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 1968, NOW has been making top quality products that are tested to the highest standards to empower people to lead healthier lives. Our promise - what is on the label, is precisely what is in the bottle.