by Mara Welty January 02, 2024 7 min read
Roughly 60 percent of our bodies are water — the brain and heart are 73 percent water; the lungs are 80 percent water; the skin contains 64 percent water; and the muscles and kidneys are 79 percent water.
It’s sufficient to say that the water we drink can have a serious impact on the ways our bodies function. But is water good for weight loss as well?
Research has shown that increased water intake can support weight loss through metabolism improvement, appetite regulation and fitness enhancement.
Water is a vital nutrient to most things on Earth, including humans. Without it, our bodies would become unbalanced and unable to perform the functions they need to live. More specifically, water helps to maintain homeostasis by:
Drinking enough water can also brighten and moisturize your skin; support cognitive functions, physical movements, memory skills and attention; and regulate your blood pressure by thinning your blood and preventing the constriction of blood vessels.
Every day, we lose eight to 12 cups of water by breathing, sweating and expelling waste. This is why many experts recommend a daily water intake of at least eight cups of water to replenish your body with fluids. That said, more recent research indicates that women should drink at least nine cups of water a day and men at least 12.
However, your body may require even more water, based on your diet and levels of physical activity. For example, those who eat a lot of fiber — such as beans, broccoli, apples and whole grains — require more fluid intake to support digestion. Additional factors that may necessitate a higher water intake include:
To ensure you’re getting enough water throughout the day, monitor the color and volume of your urine output. Urine that’s lighter in color typically means that you’re properly hydrated.
Research does support a connection between water and weight loss.
First and foremost, water can help suppress your appetite.
Oftentimes, the brain can mistake dehydration for hunger. When this happens, we can reach for a tasty snack made up of extra calories rather than our water bottle. Frequent hydration can prevent this phenomenon and decrease our daily calorie intake in order to help create a calorie deficit. A calorie deficit occurs when we eat fewer calories than our body burns. With no immediate source of energy, our bodies resort to stored energy reserves, which effectively burns body fat.
You can also decrease your daily calorie intake by replacing sugary beverages such as sodas and energy drinks with a glass of water. By replacing just one can of soda, you can decrease your daily caloric intake anywhere from 140 to 250 calories.
Drinking water can also make you feel more satiated and full throughout the day. When you drink a lot of water, it quickly passes through the digestive system and expands the stomach, telling your brain that it’s full and happy.
A 2016 study found that people who drank two glasses of water before eating a meal were 22 percent less likely to overeat compared to those who had no water before eating.
Secondly, drinking water can stimulate your metabolism.
A 2013 study that observed 50 overweight girls concluded that drinking two cups of water half an hour before every meal (breakfast, lunch and dinner) helped to reduce their body mass index (BMI) and overall body weight. During this study, no additional dietary changes were made.
So, how does this happen?
Drinking water can increase our body temperature, particularly when drinking cold water or ice water. After drinking the cold water, the body works extra hard to warm the water to match its temperature. As the body burns more energy, the metabolism increases, allowing you to more quickly convert your food into energy.
In another study, drinking water increased participants’ metabolism by an average of 30 percent. Overall, maintaining a healthy water intake can be a strategy for those trying to find out how to lose weight naturally.
Proper hydration can also support your daily workouts, which can help improve your lean muscle mass and increase calorie burning to support weight loss.
When you exercise, the water in your body dissolves electrolytes (sodium, potassium and magnesium), creating an electrical charge. These charges help to stimulate movement and muscle contractions needed to perform a workout.
Dehydration can greatly hinder your fitness output. When the body doesn’t have enough water, the muscles can break down and struggle to grow. And it doesn’t help that exercise naturally leads to water loss, due to rapid breathing and sweating. An increase in body heat can further stimulate water loss.
Fortunately, properly hydrating can decrease your body temperature to help you conserve more water during your workouts. Drinking enough water can also prevent the fatigue, muscle weakness and mental confusion that may hinder a workout.
Constipation and bloating can also lead to unwanted weight and discomfort. Water can support your digestive system, producing urine, softening stool and removing harmful germs from the urinary tract. In effect, you may experience a pound or two difference after weighing yourself.
Beyond removing excess waste, water may also help facilitate fat burning. Or, rather, dehydration can decrease or halt fat burning, per animal studies. That said, more research is still needed into this subject.
It’s very rare to drink too much water, but it can happen in extreme cases. Typically, overhydration occurs when athletes drink a lot of water to prepare for an intense or long exercise, like a marathon.
Introducing too much water to your body can disrupt your kidney function, and the sodium content of the blood can become diluted. This can be life-threatening.
Water poisoning can also occur, which affects your cognitive functions. When your body’s cells contain too much water, they swell. When brain cells swell, they create pressure on the brain, which can lead to unhealthy blood pressure, low heart rate, confusion, drowsiness and headaches.
If your urine is consistently clear or you’re making frequent trips (six to eight times a day) to the bathroom, decrease your fluid intake until your body reaches equilibrium again.
Sometimes, it can be difficult to reach your daily water intake goal in between everyday responsibilities. Fortunately, we have a few tips and tricks to help you stay hydrated all day, every day:
Overall, several studies support the connection between water intake and weight loss. The research shows that water can decrease your appetite, improve your metabolism and support a productive workout.
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Make INVIGOR8 Shakes one of your weight loss support elixirs.
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Our weight-loss products all work great on their own, but they work even better together! Try our Superfood Shake in combination with our Collagen Peptides or Burner Shake to promote healthy weight loss.
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