#1 Selling Detox in the U.S. - SPINscan 52 Weeks Premium Herbal Formulas Gentle Detox for the Whole Body Dietary Supplement Kosher Certified Organic by QAIElaine Alexander, the late Canadian health researcher and radio producer/broadcaster, collaborated exclusively with Flora to produce Flor·Essence. This purification tea was entrusted to Elaine by Dr. Charles Brusch, M.D., personal physician to the late President John F. Kennedy. Dr. Brusch was a partner in research and co-owner with the famous Canadian nurse Rene Caisse in perfecting this formula at his Cambridge, Massachusetts clinic. Flor·Essence supports the whole body in its natural elimination process. Flor·Essence is the only product on the market authorized to carry Elaine's signature on the packaging to vouch for its historical authenticity.