How to Treat a Fever Blister. Fever blisters, also known as cold sores, are caused by the type 1 herpes simplex virus. You wake up one morning with a tingling or burning sensation on your lip and know immediately what's coming within the next day or two: a painful cold sore, also known as a fever blister. Cold sores are caused by the type 1 herpes simplex virus (HSV-1).
Lutein is called a carotenoid vitamin. It is related to beta-carotene and vitamin A. Foods rich in lutein include broccoli, spinach, kale, corn, orange pepper, kiwi fruit, grapes, orange juice, zucchini, and squash. Lutein is absorbed best when it is taken with a high-fat meal.
All varieties of cooked summer and winter squash, peas, yellow corn, beet greens, pumpkin, Brussels sprouts, broccoli, romaine and iceberg lettuce, asparagus and carrots are good food sources of lutein and zeaxanthin and contain between 1 to 4 milligrams of lutein and zeaxanthin per serving.eafy Vegetables â Richest Food Sources. A single serving of cooked, frozen spinach contains close to 30 milligrams of lutein and zeaxanthin, which is the maximum amount present in any food, according to the USDA National Nutrient Database.