Vitamins and MineralsOnline version Matching game to improve your knowledge about vitamins and minerals! by Katarina Smiljanec 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 Calcium Most abundant mineral in human body. Important for bone and teeth health. Found in dairy products. Vitamin C Gets a lot of attention when a person is sick. DRI 75-90 mg/day Biotin B7 Taken as a supplement when a person has brittle nails. Vitamin K Important for blood clotting. Menaquinones can be synthesized by the bacteria in the large intestine. Iodine Important for healthy thyroid function. DRI 1-100mg/day Trace mineral.