Green beans have a lot of chlorophyll.
Grilling foods at high temperatures produces heterocyclic amines, which are carcinogenic. Grilled foods that are charred should be paired with green vegetables to decrease the risk.
There's a link between low vitamin K intake and bone fractures.
Vitamin K modifies bone matrix proteins, improves calcium absorption, and reduces calcium excretion in the urine.
Almost 20 percent of the daily vitamin K requirement is in one cup of green beans, and 4 percent of the calcium requirement is in one cup.