Turnips are an excellant source of vitamin C and a good source of dietry fibre. Zucchini are a good source of vitamin C, supply some dietry fibre and small quantities of many vitamins and minerals. Apples are considered an important food in promoting good health. One medium apple contains 80 calories, five grams of fiber, and zero fat, cholesterol, or sodium. Fiber is beneficial to the body because it helps lower cholesterol.
Apples also contain flavonoids, substances that prevent heart disease and some types of cancer.
When you cannot brush your teeth, eat an apple. It will cleanse your mouth of more than 95 percent of the bacteria that causes tooth decay. Fish remains one of the healthiest, low-calorie food choices. It is also an excellent source for nutrients such as protein, omega-3 fatty acids, vitamin B, fluoride, iodine, zinc, and iron. Even canned salmon and sardines are excellent sources of calcium.