While scientific research has conclusively shown only protein intake to be a good immunity booster, there is anecdotal evidence that increasing intake of other vitamins and minerals helps, too. Here's the scoop on the top foods for immune-system health.
- Broccoli. Full of antioxidants such as beta carotene, vitamin C & vitamin A (which has been shown to increase white blood cell counts), this is a "superfood" for immune health.
- Citrus Fruits. Load up on oranges, grapefruit and tangerines, which are rich in vitamin C.
- Walnuts & Almonds. A handful of these nuts will give you a good serving of protein as well as vitamin A.
- Berries. All kinds of berries, but especially blueberries, are great sources of antioxidants.
- Green Tea and Coffee. Both have polyphenols, a type of antioxidant that may also help combat illness.
- Watermelon. Loaded with vitamin C, beta carotene and lycopene, it should be eaten at full ripeness to get the best effects.
- Mushrooms. A great source for selenium, these are good for adding to salads, casseroles and pizzas.
- Spinach. Raw or cooked, it's one of the best sources of folic acid.
- Yams, Carrots, Pumpkin and Cantaloupe. The orange foods are great sources of beta carotene.
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