One ear of fresh corn has 2.5 grams of gut-friendly fiber and 10% daily value of vitamin C, an essential nutrient that can help the immune system and reduce inflammation in the body. Fresh corn (and frozen sweet corn) also contains the vitamins thiamine, folate, magnesium, and potassium. Thiamine keeps the nervous system healthy, folate helps to create healthy red blood cells, magnesium helps regulate blood glucose (also called blood sugar) and blood pressure, and potassium helps nerves and muscles function at their best. Corn is also high in lutein and zeaxanthin, carotenoids that can help