Vitamins is good for human body system , because vitamins is that minerals which human body system needs indeed. To enhance so many functioning in the body system . More like water which among other functioning in human body system do aid food digestion along enzymes which catalysing and breakdown food for easy digestion. Water aid and consisting large extent if not even an integral part of blood platelets . Since blood platelets unlike blood plasma and red blood cell in human body system . Blood platelets consist and make up of water so as to enabling easy clothing on any body parts punctures or fractures . Blood platelets usually known as blood water . Whenever any fracture or injury is made on human body parts , after the main ( bloodplasma and red blood cell) is being drained out , next should be blood platelets to clothes the injured surface on the body . And vitamins do play crucial roles towards preparing human body system to withstand such moment . By adding to strong bones among other functioning as listed here. Thank you for sharing .