Milk thistle is the #1 recommended natural herb for liver health to protect and detox your liver, confirmed by clinical studies. The patented formula in UltraThistle provides the most potent and effective milk thistle supplement on the market. Natural Wellness UltraThistle capsules are Non-GMO, gluten-free and manufactured in the USA under the strict current Good Manufacturing Practice (cGMP) regulations ensuring all safety and quality standards are met. Each capsule contains 360mg of highly-absorbable milk thistle in the form of silybin phytosome.