Sweat doesn't mean I lost weight...Probability of muscle loss
Aug 25, 2025
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As a result, there are many cases where you temporarily lose weight or seem to have lost weight. In fact, some people believe that the weight scale went down after sweating a lot, resulting in a diet effect.
Experts stress that losing weight from sweat is only the result of losing water in the body, not fat. In the end, it is difficult to expect a weight loss effect just because you sweat a lot. This is because even if you lose weight temporarily, you will quickly return to your original weight if you replenish your moisture.
◇ Sweating doesn't mean losing weight, but 'water loss'
About 99% of our sweat is made up of water, and the remaining 1% is made up of substances such as salt (sodium chloride), protein, urea (uric acid), and lactic acid. When sweat and electrolytes fall together, the number of scales goes down, which means that fat is not reduced, but only 'water loss'.
In addition, experts point out that if hot weather, sweat is excessively secreted and water replenishment is not carried out for a long time, it can have a negative impact on diet.
Kim Jong-un, chairman of the 365mc All New Gangnam headquarters, said "If the body lacks moisture due to continuous sweating during the summer, the metabolic rate may decrease, and muscle loss may occur along with this."As a result, lower basal metabolism results in less energy consumption, which can unintentionally backfire on weight loss."
According to Director Kim, continuous water loss in summer can have an indirect adverse effect on diet. In dehydration, hunger and thirst are confused, so you are more likely to eat food than you need, and drinking sugary drinks such as sports drinks and juice because you feel thirsty after sweating a lot can increase calorie intake and interfere with weight loss.
"In summer, it is important to replenish enough moisture that escapes from sweat," Director Kim said. "It is recommended to drink water or sugar-free tea frequently to prevent dehydration and to drink enough water before and after exercise."
"It is more helpful to exercise in a cool time such as early morning or evening rather than in a hot time of day and to minimize sweat emissions by wearing well-ventilated clothes," he said. "When exercising indoors, it is important to use an air conditioner or fan to control body temperature rise and prevent excessive sweat loss."
◇Summer, if it's difficult to exercise high intensity outdoors 'This way'
In summer, when it is difficult to continue high-intensity exercise outdoors due to the heat, Cold Plunge is drawing attention as an adjuvant therapy to help recover physical strength and manage weight after exercise. Cold plunging is a recovery method for immersing yourself in cold water, and it is known to help restore muscles, relieve inflammation, improve blood circulation, and relieve stress. In fact, Korean sports stars Son Heung-min and Black Pink Jenny are also practicing and using them for recovery and condition management.
According to Director Kim, cold plunges help burn small amounts of calories and improve exercise efficiency by activating brown fat and increasing basic metabolic rates, rather than reducing body fat. He said "If outdoor high-intensity exercise in summer is difficult, a combination of indoor light exercise and cold plunging into a diet can be a weight management strategy."However, people with cardiovascular disease and high blood pressure need to be careful because sudden changes in body temperature can be dangerous, and it is recommended to avoid prolonged exposure due to the risk of hypothermia." The key to summer diet is to approach long-term warfare, and excessive exercise or diet can lead to fatigue and hormonal imbalance"It is safe to get enough rest and manage your physical strength and metabolism with the help of medical staff if necessary" he advised.
Reporter Jang Jong-ho bellho@sportschosun.com
This article was translated by Naver AI translator.
