Remember that it must be eaten every day stays only in the system about 5 hours has very little chance of building up to toxic levels is absorbed easily excess is excreted in the urine is very fragile and can be destroyed by light, heat, acids, alkalis, and even air. Synthesis of collagen which strenghtens blood vessel walls, forms scar tissue, and is a matrix for bone growth. Symptoms of toxicity are seldom seen. However, diarrhea will sometimes occur if very large doses of supplements are taken. A large amount of vitamin C will show up on a urine test as sugar giving a false positive for diabetes.
Sources are fresh foods.
Citrus fruits, cabbage-type vegetables, dark green vegetables, catntaloupe, strawberries, peppers, lettuce, tomatoes, potatoes, papayas, mangoes are all considered significant sources. Need will be increased when you are exposed to various toxic substances such as tobacco, air pollution, etc. Since it is dissolved in cooking water, cook in as little water as possible and find a way to use the left-over water that you do use. This completes the section on vitamins. A test-taking tip.