Essential Blend Cognitive Complex :- is a dietary supplement that aims to boost cognitive function and memory. phosphatidylserine, DMAE, and ginkgo biloba. Phosphatidylserine is a phospholipid that is essential for the proper functioning of cell membranes, particularly in the brain. It is thought to play a role in memory formation and cognitive function. Studies have shown that supplementing with phosphatidylserine can improve memory and cognitive function in older adults.