A guide to vitamins, minerals, amino acids, enzymes, antioxidants, phytochemicals, and herbs. It offers information about some 350 of the most important supplements available. It covers how these supplements work, how to use them and what to look for when choosing supplement products.

Often imitated, never duplicated.

The best-selling biology textbook in the world just got better! Neil Campbell and Jane Reece's BIOLOGY is the unsurpassed leader in introductory biology. The text's hallmark values--accuracy, currency, and passion for teaching and learning--have made Campbell/Reece the most successful book for students and instructors for seven consecutive editions. *Campbell/Reece is used in 2 out of 3 ...

Darwin's theory of natural selection is also a humane and inspirational vision of ecological inter-relatedness revealing the almost unthinkably complex and mutual inter-dependencies between animal and plant life, climate and physical environment and - by implication - the human world.