Nutrients fuel your body to help it carry out day-to-day
functions. If you have a physically demanding lifestyle that includes exercise,
nutrition is particularly important to your health. Eating properly helps
ensure that your muscles have enough energy to power through your workout and
also prevents low blood sugar after physical activity that can cause dizziness
and fatigue. Bananas provide your body with essential nutrients that benefit
your health, especially if you play sports.
Potassium
Potassium plays an essential role in muscle function, and
deficiencies in potassium can lead to abnormal cramping and discomfort. During
exercise, your body loses potassium through your sweat, and prolonged periods
of physical activity can significantly reduce your potassium levels. Eating a
large banana boosts your potassium intake by 487 milligrams or 10 percent of
your daily recommended intake, according to the Linus Pauling Institute.
Manganese
Manganese has a number of physiological functions, including
a role in bone development and wound healing. Consuming enough manganese also
plays a key role in your metabolism, helping your body access energy from the
foods in your diet. As a result, manganese supports physical activity and
performance in sports by helping your body get the most from your meals. A
large banana provides 0.37 milligrams of manganese, about 21 percent of the
daily recommended intake for women and 17 percent of the recommended intake for
men, reports the Linus Pauling Institute.
Carbohydrates
Consuming bananas also provides your body with carbohydrates
that help support athletic performance during sports. When you perform physical
activity, your muscles use glycogen, a type of carbohydrate, as fuel. Eating
sources of carbohydrates increases your exercise endurance, while a
low-carbohydrate diet reduces endurance. Eating bananas helps to replenish your
body's carbohydrate stores, providing 31 grams of carbohydrates in each large banana.
Considerations
If you plan to eat a banana before your workout, time your
meal properly to maximize athletic performance. Eating right before exercise
might diminish your athletic ability. Instead of directing blood flow to your
muscles to maximize performance, your body must direct blood flow to your
stomach and intestines to allow for digestion. Try eating a banana about an
hour before working out to allow sufficient time for digestion, recommends Go
Ask Alice, a service provided by Columbia University. Alternatively, eat a
banana after exercise to restore your body's nutrients after a hard workout.
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Source: http://healthyeating.sfgate.com
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