Marigold has been used for hundreds of years for various ailments. It is a well known tonic for the digestive and lymphatic systems, and also very popular for skin issues. Marigold promotes healing of the membranes in the digestive tract and stimulates the lymphatic system.The stimulation of the lymphatic system can help clear the toxins and reduce swelling. The bitter properties of the marigold tincture stimulate digestion and bile production.