Vitamin K

Iceberg lettuce serves as a good source of vitamin K. Each 2cup serving contains 35 micrograms of vitamin K 28 percent of the recommended daily intake for men and 39 percent for women. This vitamin supports skeletal health and helps you form blood clots blood cell aggregations that physically cut off bleeding after youve suffered tissue damage. Getting enough vitamin K in your diet might help preserve bone health as you age by reducing your osteoporosis risk, reports the University of Maryland Medical Center.