Being sick. We all hate it and we all want to avoid it. For athletes, illness can have a
devastating effect on performance. It can affect your training and development for the
upcoming season. It can cost you a medal and affect your placing at an event. It sets you back in a big way and needs to be avoided to optimize achievement. Due to training demands, athletes walk a tightrope between extreme health and weakened immunity. Intense, strenuous exercise helps to prepare the body to operate at peak performance. Exercise also causes increased levels of stress hormones like adrenaline and cortisol, which have an immunosuppressive effect on the body, thus increasing risk of illness.
In addition to heavy training, lack of sleep, mental stress and improper nutrition, are all factors that affect the overall health of one’s immune system. When it comes to what you eat, adequate intake of many macro and micronutrients is imperative for optimum immune function. Protein, carbohydrates, vitamins A, C, E, B6, B12, iron, zinc, copper and selenium play important roles. Nutrition recommendations suggest that athletes should choose nutrient-rich foods and liquids from a variety of sources to meet increased energy needs. This takes careful planning and timing. You want to ensure the right fuels are consumed in order to promote recovery and aid performance.
|Body Boosting Foods||How They Work|
|Whole wheat grains instead of white flour. Try multi-grain or seeded breads, high fibre cereals, brown rice and whole wheat|
|These foods are jam packed with energy filled carbohydrates, B vitamins, vitamin E and fibre.|
|Go for colour when it comes to fruits and vegetables. Fill your plate with dark red, green, orange and yellow vegetables.||Fresh fruit is a portable and nutrient dense snack option. Fruits and vegetables contain free radical scavenging antioxidants, carbohydrates and fibre.|
|1st place protein foods include lean cuts of meat, fish, eggs, dairy, soy and nuts. Try to ensure you have a source of protein at breakfast, lunch and dinner.||Protein is packed with amino acids and|
minerals like iron and zinc which help muscle repair and recovery. Antibodies, the cells that fight against illness, are all made from protein.
|For athletes whose meal planning is sub-optimal, choose a multivitamin-mineral supplement that is high in vitamins A, C, E, B6, B12, iron, zinc, copper and selenium.||A vitamin supplement should not be used as a crutch for poor eating habits.|
Look for a supplement with an athlete
guarantee. Be sure the supplier is confident that their products will not result in a positive urine test. Remember, food is the number #1
source of high-density nutrients.
A recent scientific review by Micheal Gleeson PhD, a professor of sport and exercise
sciences at Loughborough University in Leicestershire, England found that athletes in a carbohydrate-depleted state have a higher level of stress hormones. A recent British study found that consuming carbohydrate during exercise (30-60g per 2.5 hours of cycling) actually prevented a decrease in immune system markers (Lancaster, 2003). Although research is still emerging in the area, it seems that the importance of carbohydrate fueling not only effects performance, but may possibly prevent illness. It is imperative that athletes ensure they are properly fueled with carbohydrates before, during and after exercise. Don’t forget your body’s golden windows for carbohydrate fueling.
|2-3 hours before|
|30 minutes before|
|Exercise 1st hour or|
|15 minutes post|
|2-3 hours post|
Take Home Messages:
- Choose fresh, nutrient dense foods, packed with immune boosting protein,
carbohydrates, vitamins and minerals. Go for variety and colour on your plate.
- Eat a diet providing adequate fuel for training and recovery. Ensure your
consuming enough carbohydrate before, during and after exercise to combat
- Learn to manage your physical training loads and your daily activities.
- Manage your psychological stress better. Talk to a mental trainer or team
- Allow adequate time for rest and sleep.
- Minimize germ exposure by practicing good hygiene.
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