The present invention relates to compositions including L-theanine, a pine bark extract containing proanthocyanidin(s) and an extract from Camellia sinensis or a green tea containing a catechin selected from the group consisting of epigallocatechin gallate, epigallocatechin, epicatechin gallate, epicatechin and combinations thereof when used for providing a temporary improvement in mental clarity shortly following consumption of the composition.