Dr. Joerg Gruenwald is co-founder of analyze & realize GmbH, a specialized business consulting company and CRO in the fields of nutraceuticals, dietary supplements, herbals and functional food, and author of the PDR for Herbal Medicines. He can be reached at analyze & realize GmbH, Waldseeweg 6, 13467 Berlin, Germany; +49-30-40008100, Fax: +49-30-40008500; e-mail: jgruenwald@a-r.com, www.analyze-realize.com