Dietary Supplement This formula increases physical and mental vitality, strengthens the immune system, helps you overcome chronic fatigue, and expands the power of the body to adapt to all levels of stress. Ca Prop 65 Warning: The use of this product will expose you to lead, a substance known to the state of California to cause birth defects or other reproductive harm. Daily breathing in CA alone will result in lead exposure exceeding CA Prop 65 warning level for birth defects or reproductive harm. The lead content of this product is lower than the FDA standard for lead in bottled water.