The Relationship Between Water and Weight Loss

Featured Water Professional
Esther J. Hutsell

Drinking enough water is one of the most important things that can be done for one’s health. With the right quantity and quality of water, you can stay well hydrated to ensure that bodily functions run smoothly. This includes weight loss, as numerous sources, including the National Health and Nutritional Examination surveys, reveal that there is a link between hydration levels and weight. Evidence suggests that those who are more chronically dehydrated are likely to have higher body weight. Inversely, research states that drinking enough water can help individuals manage and even lose weight. Here are some reasons why:

Boosts metabolism

Staying hydrated is essential for the proper functioning of the body’s cells and organs, including the liver and kidneys, which are responsible for metabolic processes. Water is also essential for the transportation and breakdown of nutrients in the body. It helps to carry nutrients to cells and assists in the digestion and absorption of food. Proper digestion and nutrient absorption are crucial when it comes to maintaining a healthy metabolism, as they enable the body to utilize the energy and nutrients from the food consumed effectively.

Drinking cold water specifically can also have a significant impact on metabolism. This is why the most effective weight loss program will put an emphasis on making healthier choices based on science, which involves staying hydrated. In many cases, trendy diets only focus on restriction, but a healthy approach will underscore the need for balance, simple nutrition, and facts over untested fads. This includes underscoring the role of hydration since it can sustain long-term metabolic efficiency. When individuals consume cold water, the body works to warm it up to match the core temperature, which is a process that requires energy. This results in a boost in metabolic rate, as the body expends energy to raise the temperature of the cold water, leading to an increase in calorie burning.

Aids in medical weight loss

Alongside a diet plan, an exercise routine, and behavioral changes, the process of medical weight loss involves the use of medications that work in various ways to aid in weight reduction. However, some side effects of these medications include dry mouth and increased thirst. This is particularly true for medications like metformin for weight loss. Medication such as this works by impacting the levels of certain hormones in the body, such as decreasing the production of glucose in the liver and increasing the sensitivity of the body's cells to insulin. These effects can lead to a decrease in hunger, ultimately leading to weight loss. That said, as patients lose the urge to overeat, many also forget about fluid intake.

Other weight loss medications that have similar side effects include anti-obesity semaglutides. While these help improve satiety and prevent binging, they can impact hydration levels and lead to feelings of dry mouth. A simple way to curb the side effects that come with these medications is by staying hydrated. In so doing, those undergoing medical weight loss initiatives can more pleasantly and sustainably stick to their programs. For best results, though, it's important to work alongside a healthcare expert who can suggest the correct medicine and hydration needed.

Keeps the mind clear

The brain is made up of about 75% water, and staying hydrated can help maintain proper function and balance. When the brain is well-hydrated, it can efficiently transmit signals, process information, and regulate mood and emotions. This can help reduce stress and anxiety, which are common triggers for emotional eating.

Staying well-hydrated can also contribute to better sleep quality. Adequate sleep is crucial for weight loss, as it regulates hormones that control hunger, appetite, and metabolism. Dehydration can lead to discomfort during sleep, such as dry mouth and headaches, which can disrupt sleep patterns. By ensuring proper hydration, individuals can improve their sleep quality, allowing the body to properly rest and recover, which can aid in weight loss.


Author Esther J. Hutsell is a dedicated healthcare advocate. Her commitment to promoting overall well-being extends beyond weight management, as she actively advocates for accessible healthcare options for all. Her expertise and compassion make her a trusted resource in the pursuit of a healthier and happier life.

Recommended Reading

The Skinnytaste Cookbook: Light on Calories, Big on Flavor

Damn Delicious Meal Prep: 115 Easy Recipes for Low-Calorie, High-Energy Living Hardcover

Related Blog Posts

Drinking Water and Health - Is Water Part of the Cure?

Go Bottleless!

The Good, Bad, and Unseen Impact of UV Rays on Life and Our Planet

Questionable Cosmetics - What’s the Make Up of Your Makeup?

Recommended Products

Aquasana Countertop Water Filter System for Drinking Water - Clean Water Machine