Meta-analysis examined 10 randomized trials involving vitamin C for common colds. Trials required daily doses of at least 1g vitamin C for healthy individuals. All trials were double-blind and placebo-controlled
Scurvy is a vitamin C deficiency disease causing weakness and fatigue. Symptoms appear after one month of vitamin C deprivation. Untreated scurvy leads to death from infection or bleeding. Most common in developing world and elderly people
Amazon Elements Vitamin C leads with 1,000mg per serving at $0.07. Garden of Life Vitamin Code Raw Vitamin C ranks second at $0.58. NOW Vitamin C-500 and Solgar Vitamin C-500 follow at $0.10 each. Nature's Bounty Vitamin C offers 500mg per serving at $0.10
One navel orange contains 73 calories, 16.5g carbs, and 82.7mg vitamin C. Oranges provide 232mg potassium and 60.2mg calcium. Medium orange contains more potassium than one medium banana. Oranges have minimal protein and no added sugar
Guava and mangos contain highest vitamin C per fruit (125 mg). Sweet red peppers provide 95 mg per half cup. Non-acidic options include broccoli, cantaloupe, and sweet peppers
Diets rich in fruits reduce heart disease, cancer risk and mortality. USDA recommends 2 cups fruit daily for 2,000-calorie diet. Eating variety maximizes nutrition and provides different antioxidants