Milk thistle: benefits and contraindications a complete guide Milk thistle, an herbal supplement used for centuries, is gaining scientific recognition as a potential supportive therapy for Non alcoholic Fatty Liver Disease (NAFLD), a condition affecting millions globally. Its key active component, Detoxing starts with supporting the organ that does it all day, every dayyour liver. Milk thistle has been called the king of detox for a reason. It helps increase glutathione, one of Irwin Naturals Magnesium + Milk Thistle & Turmeric 60 Liquid Softgels Vitacost