It's almost summer time! We all know it’s important to stay hydrated before, during,
and after exercise, but what is the best way to do that? Is water sufficient or
do you need one of the many colorful sports drinks that line the shelves of
grocery stores?
Electrolytes are substances that are present in the human
body that are essential to the normal function of our cells and organs. They
help maintain proper fluid balance and nerve and muscle functioning. The most
commonly measured electrolytes are sodium, potassium, chloride, and
bicarbonate. We lose electrolytes when we sweat. Maintaining a health balance
of these electrolytes in the body is critical, which is why some experts
recommend electrolyte replacement during and after exercise.
According to the American College of Sports Medicine, it’s
important to drink approximately 17 ounces of fluid about two hours before
exercise. This not only promotes adequate hydration, but also allows time for
the body to excrete any excess water. They also recommend consuming fluids at
regular intervals during exercise—prior to growing thirsty—in order to replace
fluids lost as a result of sweating.
Most people hydrate with water, which is usually sufficient
for hydration needs during moderate exercise. Fluid replacement needs vary
depending on several factors: duration of exercise; intensity level of
exercise; size; climate; and the type and degree of sweating.
Individuals who exercise at higher intensity levels, are
heavier, and/or exercise in warmer climates may need more fluids than their
counterparts who are smaller or live in cooler climates; however, it is unclear
whether these individuals also need more electrolytes.
There is a big difference between the professional endurance
athlete and the average weekend warrior. Professional athletes have hydration
and replenishment down to a science—it’s their job. Typically professional
athletes exercise for longer periods of time and at higher intensity levels
than the average exerciser. As a result, their electrolyte replacement needs
can be vastly different from yours.
The general rule of thumb is that if you are exercising for
three hours or more, you may need an electrolyte replacement; less than that
and water is probably sufficient. That said, individual bodies react
differently to exertion. There are several questions to consider when choosing
a fluid replacement:
- Are you well hydrated prior to exercise?
- How much do you sweat?
- What is the outdoor temperature?
- How long and at what intensity level do you plan to exercise?
More often than not, the average exerciser really only needs
water. However, if you’re training for a marathon or other endurance event and
your workouts start growing longer (3 hours or more) and/or you’re exercising
in warm temperatures, you may want to consider adding an electrolyte
replacement drink to the mix.
The Pros and Cons of Electrolyte Drinks
Electrolyte drinks sound like a good idea on paper—they
contain sodium, potassium, and other essential electrolytes that we lose when
we sweat. However, most sports drinks or electrolyte drinks are also loaded
with sugar and slurping down these sugary concoctions may do more harm than
good. Furthermore, they contain unhealthy additives and food colorings.
However, one benefit to sports drinks is that they do
encourage people to stay hydrated. Many exercisers won’t drink plain water, so
the sports drink is a way of encouraging hydration—electrolytes or not. In
addition, many of these sports drinks contain carbohydrates, which act as fuel
for the body and can delay the onset of fatigue.
Choose a Drink Wisely
Not all sports drinks are created equally—in fact, some
would be better classified as sugar water. If you choose to use a sports or
electrolyte drink during or after exercise, examine the ingredient label
carefully.
Several companies are now bottling young coconut water,
which is considered by many to be nature’s electrolyte replacement drink. Young
coconut water contains a perfect blend of electrolytes and has a very mild
taste.
Finally, you can make your own sports drink:
In the blender, combine:
32 ounces water
1 Tablespoon lemon juice
1 Tablespoon apple cider vinegar
¼ teaspoon baking soda
1/8 teaspoon high quality sea salt
1-2 cups of fresh fruit
Sweetener of your choice (optional) (maple syrup, honey,
agave)
Happy Exercising!
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