Step up your daily nutrition with Horbaach Milk Thistle. Add to your diet by taking one tablet morning or night. What is Milk Thistle?. Bulking Agents (Dicalcium Phosphate, Microcrystalline Cellulose), Milk Thistle (Silybum marianum) Seed 40:1 Extract, Anti-Caking Agents (Silicon Dioxide, Stearic Acid, Magnesium Stearate).