The quick energy they give does not last long and the nutritional value is very poor. If you are too rushed in the morning, it may be wise to start your day just 15 minutes earlier to give you enough time to make and eat a good breakfast. VItamin C People of all ages need vitamin C daily. Vitamin C is not a cure-all, however. Megadoses taken in pill form can result in kidney stones and GI problems.
People differ in how much they can take before they notice side effects.
Daily amounts of 500 mg may result in stomach upset, diarrhea, dry nose or nosebleeds in some people. Others can take 1,000 mg without any side effects. Getting vitamin C from food ensures a safe amount. Most people need 60 mg of vitamin C each day. The best sources of vitamin C are broccoli, Brussels sprouts, cabbage, cantaloupe, grapefruit, oranges, spinach, sweet peppers, strawberries, and orange and grapefruit juice.