Should I Use Caffeine When I work out?


by Adam Legas

How does caffeine affect your body?

Here’s how it works: after you consume caffeine, it is quickly absorbed from the stomach and peaks in your bloodstream in about 1-2 hours. Since most of your bodily tissues absorb caffeine, it can affect your entire body.  Any caffeine that lingers in your bloodstream goes to the liver to be broken down and excreted in urine.

How does caffeine affect endurance?

When you exercise, your body uses glycogen, a type of sugar that you get from food, for energy. But once those stores are depleted at the end of a long workout, you may feel tired or sluggish—signs that you have “hit the wall.” Caffeine slows the depletion of glycogen by encouraging the body to use more fat as fuel, which helps to conserve energy over long periods of time.

For this reason sports that deplete a lot of glycogen, specifically endurance events, benefit the most from caffeine consumption. Activities lasting longer than an hour with sustained effort, such as running, cycling, and cross-country skiing, all benefit from caffeine supplementation by allowing athletes to increase their endurance, accuracy, and speed.

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How does caffeine affect cognitive function?

Since caffeine enters almost all bodily tissues, it affects your nervous system and your brain. Caffeine acts as a stimulant and wakes you up, which means that when you consume it, you will feel more alert and react faster.

Drinking caffeine prior to physical exertion might actually help reduce the perception of pain. According to a study published by the department of kinesiology at the University of Illinois, people who drank caffeine experienced less anxiety associated with strenuous exercise, which may account for their lower perception of pain. For example, if you’ve ever felt your muscles burn during intense exercise, consuming caffeine before you start your workout may dull this sensation.

How does caffeine affect hydration?

To maintain peak performance, you have to stay hydrated. Water regulates your body temperature, lubricates your joints, and transports nutrients throughout your body. Staying hydrated is particularly important during exercise because you lose water through sweat. The longer and more intensely you work out, the more necessary it becomes to get fluid into your body. When you don’t replenish your fluids, it becomes harder for your heart to circulate blood.  A decrease in blood and plasma volume can contribute to muscle cramps, dizziness, fatigue, heat stroke, and heat exhaustion.

We’ve all heard the warning that caffeine has a diuretic effect and dehydrates you. However, research shows that this widely-held assumption is actually not true unless you consume a large amount of caffeine. Caffeine does not dehydrate you unless you drink more than 500-600 milligrams (the equivalent of 5-7 cups of coffee) per day. Below this level, your body does not lose any more fluid than the beverage itself provides. For comparison, an 8-ounce cup of coffee has about 100 milligrams of caffeine, and an energy drink can have as much as 242 milligrams per serving (though caffeine content varies between energy drink varieties). While caffeine may cause a little more fluid to be excreted as urine in a 24-hour period when compared to plain water, this effect is fairly mild and does not affect hydration. For anyone who loves coffee, the good news is that caffeinated beverages actually provide a sufficient amount of fluid for rehydration, even among people who exercise regularly in hot, humid conditions.

Although caffeine does not appear to have a significant impact on hydration, it can have other effects on your kidneys. One particular study has shown that caffeine can cause increased excretion of sodium from your body, but this usually does not cause problems in normal, healthy adults. However, the salt balance in your body can affect certain medications, so talk to your doctor if you have any questions about any medications that you are taking.

Are there any side effects of caffeine?

The majority of the studies done on caffeine suggest that people can safely consume up to 3-4 cups of coffee per day. Other caffeinated beverages, such as tea, appear to provide some benefits to your health.  However, the key with caffeine is to consume it in moderation. People who drink caffeine in excess (more than 300 milligrams or four cups of brewed coffee per day) report feeling jittery and anxious, and may feel stomach pain and heart palpitations. Keep in mind that one cup of coffee is about eight ounces, so if you tend to order a large coffee (which can range anywhere from 24-32 ounces), remember to count that as the appropriate amount of servings!

For some people, caffeine can have a profound effect on sleep, even if they consume it many hours before going to bed. However, conflicting research shows that caffeine will not measurably effect sleep duration in most healthy adults. Basically, if you have trouble sleeping, avoiding caffeine may be one way to help manage this problem.

 credit to article: https://www.insidetracker.com/blog/post/45817245255/how-does-caffeine-affect-your-workout#

 Our team at Nanohydr8 has worked with numerous scientists and elite coaches who recommended 100 mg as the optimum amount to enhance performance without over stimulating the central nervous system and adrenal glands. Nanohydr8 contains 100mgs of caffeine which burns quickly through your body as you work out.  The grape concentrate is caffeine free.

 

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Adam Legas
Adam Legas

Author

CEO and Founder of NanoHydr8.




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