Is Creatine Right for Me? A Sports Nutritionist Explains

What a Sports Nutritionist Wants You to Know About One of the Most Researched Supplements Available

By Barbara Lewin, RDN, LDN
Board-Certified Sports Nutritionist and Functional Dietitian

Walk into any supplement store and you’ll see creatine everywhere. Bodybuilders use it. Football players use it. Even endurance athletes are starting to take notice.

But is creatine right for you?

As a sports nutritionist, this is one of the most common questions I hear from athletes, active adults, and parents of young athletes. The good news is that creatine is one of the most researched sports supplements available. The bad news is that there is still a lot of misinformation floating around online.

Let’s separate fact from fiction.

What Is Creatine?

Creatine is a natural compound found in your muscles. It helps your body produce energy during short bursts of high-intensity activity such as sprinting, lifting weights, jumping, and repeated hard efforts during sports.

Your body makes some creatine on its own, and you also get small amounts from foods like beef, pork, and fish.

Supplementing with creatine helps increase the amount stored in your muscles, allowing you to train harder and recover more effectively.

Who May Benefit from Creatine?

Many people think creatine is only for bodybuilders. That couldn’t be further from the truth.

Athletes who may benefit include:

• Runners
• Cyclists
• Triathletes
• Swimmers
• Tennis players
• Soccer players
• Hockey players
• Football players
• CrossFit athletes
• Active adults looking to maintain muscle as they age

Research shows creatine may help improve:

• Strength
• Power
• Recovery
• Muscle growth
• Training quality
• High-intensity performance

Some emerging research also suggests creatine may support brain health and cognitive function.

Will Creatine Make Me Gain Weight?

This is probably the number one concern I hear.

Creatine can cause a small increase in weight, especially during the first few weeks. However, this is typically due to water being pulled into the muscle cells, not body fat gain.

For many athletes, this is actually a positive effect because well-hydrated muscles often perform better.

If you’re a runner or endurance athlete worried about carrying extra weight, a personalized plan can help determine whether creatine makes sense for your goals.

Which Type of Creatine Is Best?

The answer is simple.

Creatine monohydrate remains the gold standard.

Despite flashy marketing claims, most of the expensive forms have not been shown to outperform creatine monohydrate in research studies.

Look for a high-quality product that has been third-party tested for purity.

How Much Should You Take?

For most athletes, 3 to 5 grams per day works well.

Some people choose a loading phase, while others prefer a gradual approach. The best strategy often depends on your training schedule, sport, body size, and goals.

This is one reason I believe supplementation should be individualized rather than copied from social media.

Is Creatine Safe?

For healthy individuals, research has consistently shown creatine to be safe when used appropriately.

However, supplements should never be viewed as a substitute for proper nutrition, hydration, recovery, and sleep.

Before starting any supplement, it’s important to consider your health history, medications, training demands, and nutrition habits.

The Bottom Line

Creatine may help improve strength, recovery, training quality, and athletic performance. But like any supplement, it’s not right for everyone.

The best approach is to determine whether creatine fits your individual goals, sport, age, training program, and overall health.

If you’re wondering whether creatine is right for you, a personalized nutrition assessment can help take the guesswork out of supplementation.

And if you train outdoors during the summer, be sure to check out my article on training in the heat. Proper hydration and electrolyte replacement are just as important as choosing the right supplements.

The best supplement plan is the one designed for you.
As a sports nutritionist, I’ve seen athletes waste hundreds of dollars on supplements they didn’t need. During my Special Introductory Session, we’ll identify what can truly help your performance, recovery, and long-term health, while avoiding what may simply be marketing hype.