Select seven different supplements [non hormonal] that can be legally purchased and explain how they could be used for improving performance and what type of athlete could benefit from each supplement [include in your answer the natural source for each supplement]. Address any issues associated with taking supplements that may be a concern to an athlete. Calculate the needed amount of caffeine you would need in order to have a potential increase in performance due to a caffeine load. Next explain why there has been an emphasis on and increased use of supplements by men in the workplace within the 18-40 age range.
