The most popular brain power enhancing brain supplements are the brain boosting supplements. These supplements work by stimulating the release of neurotransmitters in the brain. They include stimulants, mood enhancers, anti-depressants and sleep enhancers. In addition, many brain boosting products contain natural antioxidants, which are not only able to boost the brain's cognitive performance but also act as a defense against free radicals and oxidative damage. The Brain Health Supplements of the World The most popular brain boosting supplement is the Nootropic. Nootropics is a generic name for an herbal supplement that is often marketed as an anti-depressant. Nootropics are known to enhance memory, focus, creativity and concentration. They are also thought to reduce the occurrence of memory loss and cognitive decline. This natural supplement is one of the most effective and well-known brain boosting supplements, although it is a fairly new supplement. It is most frequently sold in over the counter stores and often in combination with the other brain boosting supplements. It also is available in herbal form, or by prescription. The popularity of the Nootropics is due to their long history of use in treating various mental disorders and it's well known that these supplements have numerous positive effects, such as improved cognitive performance and memory.