It is well known that these extracts from orchid support: 1) Elevated Mood “Runners High” 2) Improved hydration 3) Enhanced Energy Level 4. To reduce blood lipids, promote blood circulation 5. Enhance the immune system of regulation. It\'s like caffeine and other alkaloids in many manners except that it doesn\'t dehydrates you, and does not cause the crash effect which caffeine users are familiar with! Its one of the best replacements of DMAA!