Give Your Liver Some Love. Liver health can impact your wellness and fitness goals. Whether you’re looking for a little extra support or building a comprehensive fitness routine—an herbal extract from milk thistle can provide key support for healthy liver function*. Choose The Right Herbal Support. Your unique dietary needs are important: GNC Herbal Plus Milk Thistle is vegetarian-friendly and contains no gluten, soy or dairy. Every easy-to-swallow vegetarian caplet has no sugar and no artificial colors or flavors. Depend On An Extra Strength Formula. Looking for serious results? The experts at GNC developed this extra strength milk thistle seed extract to deliver its active ingredient in a single, daily serving. Contains 120 caplets Supports healthy liver function* Extra strength herbal supplement Vegetarian standardized herb