Studies have shown that very active children may have special dietary needs. Source Naturals Attentivechild is designed to support your child's ability to focus - and kids love the sweet and tart taste! DMAE, a substance normally found in the brain, has been shown to help enhance mental concentration. Magnesium also plays a role in neuromuscular transmission and activity. L-Aspartate, an amino acid, acts as a neurotransmitter. Grape seed extract is rich in procyanidins, which have powerful antioxidant activity, and phosphatidylserine is a vital component of cell membranes, including those in the brain.