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<The Importance of Hydration During Exercise>
During exercise, body fluids are lost through sweat. Dehydration can lead to decreased physical performance, fatigue, muscle cramps, and other health issues.
Therefore, drinking enough water before, during, and after exercise is important for effective workout results. Water is essential for optimizing cell function and enabling muscle movement.
Beverages to Avoid Before Exercise
Sports drink

Sports drinks surprisingly contain a large amount of sugar, so caution is needed.
Since sugar can interfere with the recovery of cells damaged by exercise, it is advisable to consider drinking water or electrolyte supplements instead of sports drinks before exercising.
Carbonated drinks & sparkling water

It is better not to drink carbonated drinks or sparkling water before exercise. The sugar in carbonated drinks can interfere with digestion and may actually dehydrate you.
Even sugar-free carbonated water can cause stomach pain due to the gas in the carbonated water, so caution is advised.
Dairy products
Since the proteins, carbohydrates, and fats in milk take time to digest, it is not advisable to consume dairy products before exercise. This may also cause stomach pain during exercise.
Fruit drinks containing sugar
Fruit juice may seem like a healthy beverage, but caution is needed because it contains liquid fructose that adds sweetness.
Fruit drinks containing liquid fructose can cause metabolic imbalance and negatively affect hormone regulation.
However, real fruit juices without added sweeteners can help replenish electrolytes lost during exercise.