Nutricia Souvenaid Souvenaid is a new medical nutrition drink that nutritionally supports memory function in the early stages of Alzheimer's disease. Souvenaidis taken once daily in the early stages of the disease, to nutritionally support the connections in the brain, called synapses. Souvenaid is a Food for Special Medical Purposes for the dietary management of early Alzheimer?s disease. Souvenaid is a 1kcal/ml, ready to drink, milk based oral nutritional supplement containing vitamins and minerals. Only to be used as a supplement to the normal diet, not suitable as a sole source of nutrition. To be used under medical supervision.