Reach for ROMAINE LETTUCE (instead of iceberg)
Why it belongs in your cart: The darker green leaves of romaine do more to boost bone health than its iceberg cousin because they offer more vitamin K — about 4 1/2 times more — which is needed to make bone protein.
Women with the highest concentrations of vitamin K in their diets (at least 109 mcg per day, the amount in roughly 2 cups of romaine) have the most fracture resistant bones, according to a 1999 study in the American Journal of Clinical Nutrition. Romaine also provides folate, a B vitamin you need to prevent a type of anemia that saps your energy and derails your workout routine. Just 1 cup of romaine supplies 75 mg of folate, nearly 25% of what women require on a daily basis.