Does Creatine Cause Constipation? Unraveling the Truth and Dispelling the Myths

Creatine has long been a popular supplement among athletes and fitness enthusiasts, but does it come with an unwanted side effect? In this in-depth article, we'll explore the myths and facts surrounding creatine and constipation, and provide you with the information you need to make the best decisions for your health and fitness goals.

Creatine is a well-known supplement that has gained popularity among athletes, bodybuilders, and fitness enthusiasts for its ability to improve muscle growth, strength, and energy production. However, there are some concerns and misconceptions surrounding its use, with one of the most common being the possibility of creatine causing constipation. In this article, we'll delve into the truth behind this myth, examine the scientific evidence, and provide you with practical tips for preventing constipation while supplementing with creatine. So, let's dive in and uncover the facts!

What is Creatine?

Before we tackle the myth about creatine and constipation, it's essential to understand what creatine is and how it works in the body. Creatine is a naturally occurring compound found in small amounts in certain foods like red meat and fish. It is also produced by the body, primarily in the liver, kidneys, and pancreas.

Creatine plays a crucial role in the production of adenosine triphosphate (ATP), which is the primary energy source for our cells. When you engage in high-intensity activities such as weightlifting or sprinting, your body relies on ATP to fuel these efforts. However, the body's natural ATP stores are limited, and creatine supplementation can help increase these stores, allowing for improved performance, increased muscle mass, and faster recovery.

Creatine and Constipation: The Myth

Now that we have a better understanding of creatine and its benefits, let's address the myth that creatine causes constipation. This misconception may have originated from anecdotal reports of individuals experiencing constipation while taking creatine supplements. However, it's important to note that personal experiences can vary widely, and just because some people may have experienced constipation while taking creatine doesn't mean that the supplement is the direct cause.

The Science Behind Creatine and Constipation

To truly understand whether creatine causes constipation, we need to examine the scientific evidence. Fortunately, numerous studies have investigated creatine's effects on the body, and the consensus among researchers is that creatine does not directly cause constipation.

One study published in the Journal of Sports Science and Medicine investigated the effects of creatine supplementation on gastrointestinal (GI) health in athletes. The researchers found that creatine supplementation had no significant impact on GI health, including bowel habits, and did not cause constipation.

Another study published in the International Journal of Sport Nutrition and Exercise Metabolism examined the effects of creatine supplementation on GI distress in athletes. The results showed that creatine supplementation did not increase the incidence of GI distress, including constipation, compared to a placebo group.

These studies, along with others, provide strong evidence that creatine does not directly cause constipation. However, it's essential to consider other factors that may contribute to constipation while taking creatine supplements.

Factors That May Contribute to Constipation While Taking Creatine

While creatine itself may not cause constipation, certain factors can be exacerbated by creatine supplementation if not addressed properly. These factors include dehydration and a lack of dietary fiber.


One of the primary reasons people may experience constipation while taking creatine is dehydration. Creatine works by drawing water into the muscles, which can lead to an increased need for hydration. If you're not consuming enough water to compensate for this increased demand, you may become dehydrated, which can contribute to constipation.

Lack of Fiber

Another factor that may contribute to constipation while taking creatine is a lack of dietary fiber. Fiber is essential for maintaining healthy bowel movements, and a diet low in fiber can lead to constipation. If you're not consuming enough fiber-rich foods, you may be more susceptible to constipation, regardless of whether you're taking creatine.

Tips for Preventing Constipation While Supplementing with Creatine

Now that we've established that creatine doesn't directly cause constipation and have identified the factors that may contribute to constipation while taking creatine, let's discuss some practical tips for preventing constipation during creatine supplementation.

Stay Hydrated

One of the most critical factors in preventing constipation while taking creatine is staying adequately hydrated. Make sure to drink plenty of water throughout the day, especially during and after exercise. A general guideline is to consume at least 8-10 cups of water daily, but you may need more depending on your activity level and individual needs.

Maintain a Balanced Diet

A balanced diet rich in fiber is essential for preventing constipation. Incorporate a variety of fiber-rich foods into your daily meals, such as fruits, vegetables, whole grains, legumes, nuts, and seeds. These foods not only help promote regular bowel movements but also provide essential nutrients for overall health and well-being.

Stay Active

Regular physical activity can help stimulate bowel movements and prevent constipation. Aim for at least 150 minutes of moderate-intensity aerobic exercise or 75 minutes of vigorous-intensity aerobic exercise per week, along with muscle-strengthening activities on two or more days per week.


In conclusion, creatine does not directly cause constipation, as evidenced by scientific research and studies. However, it's essential to be mindful of other factors, such as hydration and dietary fiber intake, that may contribute to constipation while taking creatine supplements. By staying hydrated, maintaining a balanced diet, and staying active, you can enjoy the benefits of creatine supplementation without the worry of constipation. So go ahead and confidently incorporate creatine into your fitness routine, knowing that you're making an informed decision for your health and performance goals.