mercava 30 sachets, mercava sachets help improve the functions of the nervous system, treat cognitive impairment, memory loss, difficulty concentrating, feeling stressed, and mood disorders. They contain Aniracetam, L-carnitine, and Vitamin E. The Aniracetam enzyme enhances the activity of the neurotransmitter, which improves cognitive function. L-Carnitine transports fatty acids to cells, which provides energy for brain cells. Vitamin E works as an antioxidant and protects cells. The brain from damage.