A Vogel Milk Thistle Complex Drops (100ml). Combination of Milk Thistle, Artichoke, Dandelion, Peppermint and Boldo.. Made from milk thistle seeds. Also contains fresh plant extracts of Artichoke, Dandelion & Peppermint. Available as tincture or tablets. A.Vogel’s Milk Thistle Complex was amongst the very first herbal products formulated by Alfred Vogel, one of Switzerland’s best known naturopaths.