Excesses of these vitamins are stored in the liver, and are not needed every day in the diet. For more information on fat-soluble vitamins, see fact sheet 9.315 Fat-Soluble Vitamins: A, D, E, and K. In contrast, water-soluble vitamins dissolve in water and are not stored by the body. Since they are eliminated in urine, we require a continuous daily supply in our diet. The water-soluble vitamins include the vitamin B-complex group and vitamin C.
Citrus fruits are near the top of the list for vitamin C-rich foods. Eight ounces of fresh-squeezed orange juice has nearly 125 milligrams of vitamin C. Diluted frozen orange juice from concentrate has a little less -- about 95 milligrams per 8-ounce glass. Raw white or pink grapefruit juice each provide more than 90 milligrams of the vitamin in an 8-ounce serving.
In types, we give our take on each, including Percent Daily Values of nutrients if they are higher than in standard OJ, which supplies 120 percent of the Daily Value for vitamin C and 2 percent for calcium. Bottom line. Choosing orange juice fortified with calcium or vitamin D, or omega-3 fatty acids, can make sense. But other extra vitamins offer few benefits beyond those of standard OJ. Best of all, eat an orange: It has the nutrients of juice and packs fewer calories per serving (about 65 vs. 110).