VERY informative piece:

The botanicals sector is worth $5.6 billion in the US alone, and includes a diverse range of botanicals, from cranberry to St John’s wort. In this special gallery we take a tour of the herbal sector, and look at some of the stars, and their health benefits.

http://www.nutraingredients.com/Consumer-Trends/In-pictures-The-top-botanicals-and-their-health-benefits