Group B vitamins are essential to good nervous system health. Unique because of its liquid form and its optimal concentrations, B-Complex from Land Art is more effective and more easily absorbed than other forms of vitamin B.Your nervous system uses more vitamin B during stressful periods, often resulting in a deficiency for many people. If you are stressed, think about taking a Vitamin B supplement.Directions: Children (1-8 years old): 1 teaspoon (5 ml) per day. Adolescents (9-18 years old): 2 teaspoons (10 ml) per day. Adult: 1 tablespoon (15 ml) daily.