Sweetcorn is a good source of folate. It also helps protect against age-related macular degeneration and helps fight free radicals in the retina. It provides more starch and more calories than most vegetables. It is high in iron and potassium. It is also a good food for steadying blood sugar.

Zeaxanthin is best absorbed by the body when eaten together with some fat. Baby sweetcorn is high in folate, which can be destroyed by lengthy cooking.