Does Sweating Mean That You Are Losing Weight?

Do you remember your last workout on a hot summer day? Did you asked yourself whether sweating so much means your training was more effective…?

Also, while staying in a sauna, you are going to sweat a lot. Hm, does this contribute to weight loss?

You might have noticed some people even put more clothes while doing cardio. They do that in order to increase their body heat.

But is this actually going to help you wear one size smaller jeans? Let’s start with…

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Sweating vs Losing Weight

In fact, they have a lot in common.

And yes, sweating will help you to lose weight. Unfortunately, not the weight that you want to lose…

Let me explain.

Sweating will make you lose some weight in form of fluids. But they’re going to be back when you drink water. So, the act of sweating doesn’t mean that you’re going to lose fat.

If you are a competitor, sweating is a great way to lie the scale. But if that’s not the case and you strive for longer results sweating is not so important and can’t directly affect your fat loss.

However, sweating during working out is a strong signal that you’re burning more calories.


Sweating is an indicator that your heat is increasing, and your body’s trying to cool you down.

More complex exercises burn more calories. They just include more muscles for the exercises that you’re trying to do. That’s why they have a higher probability to increase your body temperature, which leads to sweating.

If You’re Not Sweating Does That Mean You Should Try Harder?

In most cases – Yes.

But not always.

For instance, if you are dehydrated, your body won’t sweat so much.

Of course, dehydration will affect your performance as well. Of course, people have a different level of sweating.

Some people naturally sweat more, some less. It has nothing to do with burning more or fewer calories.

However, burning calories 100% will help you to burn fat.

Sweating is just a signal that your body heat is increasing. In most cases, it means you’re working harder, which leads to burning more calories. In turn, burned calories will get you closer to your weight-loss goal.

Can Sweating Too Much Can Be Dangerous?

Sweating is a natural process that cools you down. Sweat is just water and electrolytes.

And at glance, losing a few pounds of water won’t kill you.

But actually losing more than 3% can severely dehydrate you. (For instance, 3% of 140 pounds are 4.2 pounds)

Sweating can dehydrate everyone. In turn, dehydration may lead to urinary and kidney problems, heatstroke, and even seizures.

That’s why it’s not a good idea to work out in a very humid or hot environment.

And remember, the main point is to replenish the lost fluids. You can’t be dehydrated if you drink enough water before and during a workout, even in the worst conditions.


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