You may find the following links useful
Health World on line
Health World on line is an extensive website based around a village map. Here you can visit different buildings, like the Nutrition centre, where nutritional advice is available. Covers most complementary therapies.
The Herb Research Foundation
The Herb Research Foundation is a very interesting site with all the latest information on herbs.
Botanical .com is the home page of a Modern Herbal by Mrs. M.Grieve. It offers lots of seasonal advice as well as herbs.