What are Milk Thistle Plus Capsules? Our Milk Thistle Capsules are an expert blend of high-quality ingredients including milk thistle extract, a flowering herb originally found in Mediterranean countries. We’ve also included a blend of essential vitamins and minerals, including biotin to support normal hair and skin1 and vitamin B2 to reduce feelings of tiredness and fatigue2 - making our Milk Thistle Plus Capsules this perfect addition to your daily routine.