What is Taoist Tonic Herbalism? Why should we develop a love for herbs? In this episode of Wisdom of Ages, host Ayn Cates Sullivan and guest Rehmannia Dean Thomas discuss discovering ancient Taoist herbs that have worked for 5,000 years already. Rehmannia has an eight-year personal apprenticeship with master herbalist Ron Teeguarden. Tune in and find the new formula called Shield that helps provide people with a healthy immune system.