Leeks provide several nutrients, such as vitamins A, C, and B6. Leeks are very low in calories, but do contain a decent amount of essential vitamins and minerals, including vitamins like vitamins A, B6, C, and K, and minerals like copper and manganese.5 Feb 2024
Romaine or cos lettuce (Lactuca sativa L. var. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat.
