Amazon.com description: Product Description: Plants provide a rich source of phytochemicals and phytopharmaceuticals and have been used since antiquity to treat, manage, or possibly cure different diseases. In recent years, due to increasing demands of consumers for alternative and preventive health management, there has been a renewed interest in plant materials. Thus, the market for supplements and nutraceuticals has expanded exponentially, and the public interest in phytochemicals and phytopharmaceuticals has been considerable.