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Navigating the Myths and Realities of Creatine

Explore the truths about creatine in our comprehensive guide for bodybuilders and grapplers. Uncover how it affects kidney health and athletic performance, with insights from Dr. Darren Candow. Ideal for those seeking optimal muscle growth, strength, and endurance.

Jabari Martin, Registered Dietitian, NASM Certified Personal Trainer

Written and researched by Jabari Martin R.D., NASM C.P.T.

Navigating the Myths and Realities of Creatine: A Comprehensive Guide for Bodybuilders and Grapplers


Creatine, a popular supplement in the fitness world, often comes with various myths and concerns regarding its safety and efficacy. In this comprehensive guide, we'll delve into the truths and misconceptions surrounding creatine, focusing on three key areas that are particularly relevant to diet-conscious bodybuilders and grapplers, including jiu-jitsu practitioners, college-level wrestlers, and judokas. Our insights are derived from a detailed analysis by Dr. Darren Candow, a leading creatine researcher.

1. Creatine and Kidney Health

The Myth of Kidney Damage

One common myth is that creatine supplementation harms the kidneys. This belief stems from the fact that creatine increases creatinine levels in the blood, which is typically a marker of kidney function. However, this increase is a natural byproduct of creatine metabolism and not an indication of kidney damage. When creatine supplementation is stopped, creatinine levels return to normal, demonstrating that the kidneys' functionality is not impaired.

Research Evidence

Studies have consistently shown that creatine does not adversely affect the kidney, liver, or any other renal functions when compared to a placebo. It's important for athletes to inform their healthcare providers about their creatine usage, as elevated creatinine levels could be misinterpreted without this context.

2. Creatine and Physical Appearance

Creatine and Hair Loss

A prevalent concern is the belief that creatine causes baldness. This myth originated from a study of rugby players who exhibited increased levels of Dihydrotestosterone (DHT), a hormone implicated in hair loss, following high-dose creatine use. However, this increase was within normal physiological ranges and did not correlate with hair loss. Furthermore, no subsequent studies have provided evidence linking creatine to baldness.

Creatine and Water Retention

Another aspect concerns water retention, especially in women who fear gaining weight. During the creatine loading phase, there can be acute intracellular water retention in muscles, which might slightly increase body weight. To minimize this, a lower dosage spread throughout the day is recommended. This approach is effective for muscle performance and reduces the chances of noticeable water retention.

3. Creatine and Athletic Performance

Muscle Cramping and Dehydration Myths

It's often believed that creatine causes muscle cramping and dehydration, particularly in hotter climates. But the opposite occurs — creatine's ability to draw water into muscle cells actually hydrates your body, reducing the risk of cramps and strains. This makes creatine a potentially beneficial supplement during intense training, especially in warm conditions.

Non-Responders to Creatine

The concept of "non-responders" to creatine is based on the finite storage capacity of muscle for creatine. Individuals with already high creatine levels due to diet or natural synthesis might experience less noticeable benefits. Conversely, those with lower initial levels, such as vegans and vegetarians, often see more significant improvements in muscle mass, strength, and endurance.


Creatine is a well-researched supplement that offers numerous benefits for muscle growth, strength, and endurance, making it an ideal choice for bodybuilders and grapplers. By dispelling myths related to kidney health, physical appearance, and athletic performance, we hope to provide clarity and confidence in its usage. Incorporating creatine into a balanced diet rich in protein, micronutrients, and superfoods can be a game-changer for athletes seeking to optimize their performance and recovery.