A Vogel Yarrow Complex Drops (50ml). Support the Digestive System. Yarrow Complex takes its name from the Yarrow herb Achillea millefolium (Yarrow Flower), found in this fresh herb tincture combination.. Yarrow is one of the digestive herbs used traditionally.. Yarrow Complex combines this herb with Dandelion, Lemon Balm, Gentian and Blessed Thistle to support the digestive system.
