Creatine: What You Should Know Before You Take It
Creatine is one of the most researched and widely used supplements in sports and fitness. Whether you’re an athlete, a gym-goer, or simply interested in how the body produces energy, understanding creatine can help you make an informed decision about whether it’s right for you.
As a baseball player I take creatine daily in the morning with breakfast. I find it helps my body recover faster after workouts in the gym or after pitching in a game. My body feels less tired even on days when I am not physically active. You can find creatine in health food stores and online. I prefer it flavorless but there are websites that sell it in a variety of flavors. I personally find the flavored creatine too sweet but it may appeal to you.
How Creatine Works in the Body
Creatine is a naturally occurring compound made from the amino acids arginine, glycine, and methionine. About 95% of the body’s creatine is stored in skeletal muscle, where it’s used for energy during high-intensity activities like sprinting or weightlifting.
Here’s the process:
Storage Form: In the muscle, creatine binds with a phosphate group to form phosphocreatine.
Energy Production: During intense exercise, muscles use ATP (adenosine triphosphate) for energy. When ATP is broken down to ADP, phosphocreatine donates its phosphate to regenerate ATP, allowing the muscle to keep working a bit longer.
Breakdown and Excretion: Over time, creatine naturally breaks down into creatinine, which is filtered out by the kidneys and excreted in urine.
This system acts as a rapid energy reserve, particularly for short bursts of effort lasting under 30 seconds.
The Benefits (Pros)
Improved Strength and Power
Studies consistently show that creatine supplementation increases strength, power output, and performance in short, explosive movements.
Enhanced Muscle Growth
Creatine can promote muscle protein synthesis and increase muscle water content, which may lead to fuller-looking muscles and greater long-term growth.
Faster Recovery
Some research suggests creatine helps reduce muscle cell damage and inflammation, supporting quicker recovery between workouts.
Brain Health
Emerging studies indicate that creatine may enhance cognitive performance, especially during sleep deprivation or intense mental effort.
Safe and Well-Researched
When taken in appropriate doses, creatine monohydrate is considered one of the safest supplements on the market, backed by decades of research.
Potential Drawbacks (Cons)
Water Retention and Weight Gain
Because creatine draws water into muscle cells, users may notice a 2–4 lb increase in body weight within the first week. This is not fat gain but can feel uncomfortable or affect endurance athletes.
Digestive Issues
Some people may experience bloating, stomach cramps, or nausea if they take too much at once or on an empty stomach.
Kidney Concerns (for Certain Individuals)
While healthy individuals have no problem processing creatine, those with preexisting kidney conditions should consult a doctor before using it, since creatinine levels can increase in blood tests.
Not Ideal for All Sports
Creatine primarily benefits short-duration, high-intensity activities (like sprinting or weightlifting). It’s less useful for endurance athletes.
How to Take It
Loading Phase (optional): 20 grams per day, split into 4 doses, for 5–7 days.
Maintenance Phase: 3–5 grams daily thereafter.
Best Timing: After workouts with a carb or protein source to improve absorption.
Hydration: Drink plenty of water—creatine pulls water into muscles and can increase fluid needs.
Consistency: Creatine builds up in your muscles over time—it’s not an instant effect.
Creatine by Age Group
Teens and High School Athletes (Under 18)
Research: Studies show creatine can be safe for teenagers who are past puberty and already training seriously under adult supervision.
Benefits: Can support training for sports like football, baseball, and track by boosting power and recovery.
Precautions: Should only be used after talking to a healthcare provider or athletic trainer. Proper hydration and consistent nutrition are crucial.
Avoid: “Loading phases” (large doses); stick to 3–5 grams per day if approved.
Adults (18–40)
Most Studied Group: Adults benefit the most from creatine—enhanced strength, lean muscle, and recovery are well documented.
Use: 3–5 grams daily, ideally after workouts.
Extra Bonus: May also improve short-term cognitive performance during mentally demanding tasks.
Older Adults (40+)
Muscle Protection: As we age, muscle mass naturally declines. Creatine can help maintain muscle strength and function when combined with resistance training.
Brain Health: Emerging evidence shows creatine may support memory and cognitive function in older adults.
Bone Health: Some research suggests creatine may aid in preserving bone density when paired with exercise.
Dosage: 3 grams daily is typically effective; no loading phase needed.
Creatine is a safe, effective supplement for most healthy individuals—when used correctly.
Teens can benefit under supervision.
Adults can use it to push performance and muscle gains.
Older adults can use it to maintain strength and cognitive function.
Bottom Line
Creatine is not a magic pill, but it’s one of the most effective and well-studied supplements for improving performance, strength, and muscle recovery. For most healthy individuals, the pros far outweigh the cons—provided it’s taken responsibly, with adequate hydration and medical guidance if necessary.
Whether you’re trying to lift heavier, run faster, or think sharper, creatine can be a safe and powerful ally in your fitness and wellness journey.