This thymus gland builder and lympathic drainage support is again under two Monastery of Herbs healing catagories: Lympathic drainage and Endocrine system. The FDA has not approved of these statements and you take this at your own risk, usually 2 + 2 per day, unless your practitioner recommends more. 619*TL #2, THYMUS/LYMPH BUILDER: ECHINACEA PURPUREA root, cumin seed, skullcap flower and cayenne pepper.