Milk thistle (Silybum marianum) known as ‘doodh patra’ in Hindi is a flowering herb. Here are the 6 incredible health benefits of milk thistle. Please consult an ayurvedic practitioner before taking milk thistle. Pregnant women are advised to avoid this supplement as there is no research on its safety. Diabetes patients on hypoglycaemic drugs should avoid milk thistle supplements, as there is a risk of low blood sugar.