Most Replayed Moment: Can Creatine Offset Sleep Deprivation? Is It Really The Best Supplement?
In this episode of The Diary Of A CEO, Steven Bartlett and Dr. Rhonda Patrick explore creatine supplementation's effects on both physical and mental performance. While creatine is well-known for enhancing athletic performance and muscle health when combined with resistance training, the discussion reveals its broader impact on cognitive function, particularly during sleep deprivation and mental stress.
The conversation addresses common misconceptions about creatine's side effects and examines research findings about its potential benefits. Dr. Patrick explains how creatine supplementation can benefit various groups, including vegans and those experiencing cognitive stress, while also touching on studies suggesting possible protective effects against conditions like Alzheimer's disease and cancer. The discussion includes specific dosage recommendations and explains how creatine works in the body to produce these effects.
This is a preview of the Shortform summary of the Feb 20, 2026 episode of the The Diary Of A CEO with Steven Bartlett
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1-Page Summary
Effects of Creatine on Physical Performance and Muscle
Creatine, a compound crucial for energy production during high-intensity exercise, plays a significant role in enhancing athletic performance when combined with resistance training. The body naturally produces one to three grams daily, but supplementation can provide additional benefits for those engaging in strenuous activities.
Through its role in rapid energy regeneration, creatine supplementation enables athletes to perform more repetitions and recover faster between sets. A regular dose of five grams per day, combined with resistance training, effectively improves muscle health. For faster results, athletes can undergo a loading phase of 20 grams per day, which typically takes a month to fully saturate muscle stores.
Effects of Creatine on Cognition and Brain Health
Rhonda Patrick explains that creatine's benefits extend beyond physical performance to cognitive function, particularly under stressful conditions. Research has shown that creatine supplementation can help maintain cognitive function during sleep deprivation and depression. A German study demonstrated that 10 grams daily increases brain creatine levels, while Dr. Darren Kandao's research found that 25-30 grams can counter cognitive deficits from up to 21 hours of sleep deprivation.
The compound shows promise in treating various conditions, with a pilot study indicating improved cognitive function in Alzheimer's patients taking 20 grams daily. Patrick also notes research suggesting a 14% reduction in cancer risk with increased creatine intake, though the mechanisms remain unclear.
Dispelling Myths and Misconceptions About Creatine
Common concerns about creatine's side effects are largely unfounded. While it can cause minimal water retention, the associated weight gain typically doesn't exceed two pounds. Regarding hair loss concerns, Steven Bartlett references a 2025 study of 45 resistance-trained men that found no significant changes in hair outcomes or DHT levels with daily creatine supplementation.
Patrick discusses creatine's particular benefits for vegans and those under cognitive stress, noting from personal experience that higher doses (20 grams) help maintain energy during demanding mental tasks. She explains that vegans, who don't obtain creatine through diet, often report significant energy improvements when supplementing with creatine.
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Counterarguments
- While creatine is generally considered safe, some individuals may experience gastrointestinal discomfort or other minor side effects when taking high doses.
- The long-term effects of creatine supplementation, particularly at high doses, are not fully understood, and more research is needed to ensure its safety over extended periods.
- The claim that creatine supplementation can reduce cancer risk by 14% requires more robust evidence, as the mechanisms and the strength of the association are not well-established.
- The benefits of creatine on cognitive function, while promising, are not universally accepted, and more research is needed to confirm these effects across different populations and cognitive tasks.
- The impact of creatine on hair loss is still a topic of debate, and while one study may have found no significant changes, more research is needed to fully understand the relationship between creatine supplementation and hair health.
- The effectiveness of creatine may vary among individuals due to factors such as genetics, diet, and the type of exercise performed, and it may not be as beneficial for everyone.
- Some research suggests that the performance benefits of creatine are most pronounced in short-duration, high-intensity activities, and it may be less effective for endurance sports.
- The ethical and environmental implications of increased creatine production and consumption, particularly for non-essential supplementation, could be considered as an alternative viewpoint regarding its widespread use.
Actionables
- You can track your exercise and cognitive performance before and after starting creatine supplementation to see the personal impact. Start a journal or use an app to log your workouts, noting the number of repetitions and recovery times, as well as daily cognitive tasks like problem-solving or memory exercises. After a few weeks of taking creatine, compare your performance to see if there's a noticeable improvement.
- Incorporate a creatine-rich smoothie into your post-workout routine if you're engaging in resistance training. Blend together ingredients that complement creatine absorption, such as a carbohydrate source like fruits for insulin spike, which can help increase creatine uptake by the muscles, and a protein source for muscle repair.
- If you're a vegan or under high cognitive stress, experiment with creatine supplementation by setting specific mental performance goals, such as learning a new language or improving at chess. Monitor your progress with and without creatine to determine if the supplement has a beneficial effect on your energy levels and cognitive achievements.
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Effects of Creatine on Physical Performance and Muscle
Creatine is a compound that plays a critical role in energy production, particularly during high-intensity exercise. When combined with resistance training, creatine supplementation has significant effects on muscle strength and volume.
Creatine Enhances Rapid Energy Generation For High-Intensity Exercise
Creatine, stored in muscles as phosphocreatine, contributes to energy regeneration, allowing athletes to enhance their performance during strenuous activities. Our liver typically produces about one to three grams of creatine per day, but supplementation can aid those engaged in high-intensity exercise.
Creatine Boosts Muscle, Strength, and Training By Efficiently Regenerating Energy
When creatine is supplemented, it increases the training volume by enabling one to perform more repetitions and decreases the recovery time between sets. Additionally, creatine leads to an increase in muscle mass and strength when used in combination with resistance training, because of its role in rapidly regenerating energy resources.
High-Dose Creatine (5-10g/Day) Prominently Affects Muscle
Regular supplementation of creatine in the amount of five grams per day, alongside resistance training, has shown to be effective in improving muscle health. However, c ...
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Effects of Creatine on Physical Performance and Muscle
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Clarifications
- Phosphocreatine is a stored form of creatine in muscle cells that holds a high-energy phosphate group. During intense exercise, it donates this phosphate to ADP to quickly regenerate ATP, the primary energy molecule. This rapid ATP regeneration provides immediate energy for short bursts of high-intensity activity. Without phosphocreatine, muscles would fatigue faster due to slower energy replenishment.
- Creatine stores phosphate groups in muscles as phosphocreatine, which quickly donates a phosphate to ADP to regenerate ATP, the primary energy molecule. During high-intensity exercise, ATP is rapidly consumed, and phosphocreatine helps replenish it almost instantly. This rapid ATP regeneration supports short bursts of intense effort, like sprinting or heavy lifting. Without sufficient phosphocreatine, muscles fatigue faster due to slower energy supply.
- Training volume refers to the total amount of work done during a workout, often measured by sets × reps × weight. Creatine allows muscles to recover faster between sets, enabling more repetitions or heavier weights. This increased capacity raises the overall training volume. Higher training volume promotes greater muscle growth and strength gains over time.
- Creatine supplementation increases the availability of energy in muscles, but muscle growth and strength gains require the stimulus of resistance training. Without resistance training, creatine does not trigger the muscle repair and growth processes needed for strength or size improvements. Resistance training causes muscle fibers to break down and rebuild stronger, a process enhanced by creatine's energy support. Therefore, creatine alone cannot produce significant muscle changes without exercise-induced muscle stress.
- A loading phase is a short period of taking a higher dose of creatine to quickly increase muscle creatine levels. This phase helps saturate muscles faster than taking a lower dose daily from the start. It typically lasts 5-7 days before switching to a lower maintenance dose. The goal is to achieve maximum benefits sooner in training and performance.
- Muscle creatine stores need to be "saturated" to maximize the amount of phosphocreatine available for rapid energy production during intense exercise. Saturation means the muscles have absorbed as much creatine as they can hold, ensuring optimal performance benefits. Without saturation, additional creatine intake provides diminishing returns because muscles cannot store excess amounts. Achieving saturation quickly through a loading phase allows athletes to experience performance improvements sooner.
- The 20-gram loading dose ...
Counterarguments
- Creatine may not be equally effective for everyone, as individual responses to supplementation can vary.
- Some research suggests that creatine's benefits might be less pronounced in well-trained athletes compared to untrained or less trained individuals.
- The necessity of a loading phase for creatine is debated, with some studies indicating that lower doses over a longer period can also lead to muscle saturation without the need for high-dose loading.
- The long-term effects of creatine supplementation on kidney and liver health are still a subject of research, and there may be risks associated with prolonged high-dose use in certain populations.
- The increase in muscle mass associated with creatine supplementation may be partly due to water retention within the muscle cells, rather than an increase in muscle protein synthesis.
- Some studies have suggested that the performance-enhancing effects of creatine may be more limited in endurance sports and activities that do not rely heavily on the phosphagen energy system.
- The claim that it takes exactly one month to fully saturate muscle cre ...
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Effects of Creatine on Cognition and Brain Health
Creatine, a compound typically associated with physical performance, also has significant implications for cognition and brain health, particularly under certain stressful conditions.
Creatine Enhances Cognitive Performance and Neuroprotection Under Stress or Sleep Deprivation
Creatine Supplementation Boosts Brain Creatine, Mitigates Cognitive Deficits From Sleep Deprivation, Depression, and Brain Stress
Rhonda Patrick has stated that creatine excels under stressful conditions such as depression or sleep deprivation, helping to maintain cognitive function. The brain, while it produces some creatine on its own, benefits from additional supplementation, especially under duress from lack of sleep, psychological stress, or high cognitive demands. Increased levels of brain creatine have been shown to mitigate cognitive deficits associated with sleep deprivation and depression.
Anecdotal evidence suggests that taking doses as high as 25 grams of creatine can combat symptoms of jet lag and sleep deprivation. More concretely, a German study showed that a 10-gram daily supplement of creatine could increase creatine levels in various regions of the brain. Furthermore, research by Dr. Darren Kandao at the University of Regina in Canada indicates that a dose of 25 to 30 grams of creatine effectively negates cognitive deficits caused by up to 21 hours of sleep deprivation and might even enhance cognitive performance beyond that of well-rested individuals.
Additionally, individuals with depressive symptoms who received creatine alongside cognitive behavioral therapy (CBT) showed greater improvement than those receiving only CBT, suggesting a synergistic benefit. Patrick also noted that animal studies had demonstrated creatine's anti-inflammatory effects, which could be s ...
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Effects of Creatine on Cognition and Brain Health
Additional Materials
Clarifications
- Creatine is a natural compound found mainly in muscles and the brain, where it helps produce energy. It is commonly used as a dietary supplement to improve muscle strength and exercise performance. Beyond physical uses, creatine supports brain energy metabolism, which is crucial for cognitive functions. Its role in brain health is being studied for potential benefits in conditions like depression, sleep deprivation, and neurodegenerative diseases.
- Creatine in the brain acts as a rapid energy buffer by storing and supplying phosphate groups to regenerate ATP, the primary energy molecule. This energy support is crucial for neurons, which have high and fluctuating energy demands during cognitive tasks. By maintaining energy availability, creatine helps sustain neurotransmission and brain cell function, especially under stress or fatigue. Thus, creatine supplementation can enhance cognitive performance by improving brain energy metabolism.
- Brain creatine levels refer to the amount of creatine present in brain cells, which helps supply energy for cellular functions. Creatine acts as a quick energy reserve, supporting neurons during high-demand situations like intense thinking or stress. Maintaining adequate brain creatine is crucial for optimal brain metabolism and cognitive performance. Low brain creatine can impair energy availability, leading to reduced mental function, especially under stress or fatigue.
- Cognitive deficits refer to impairments in mental functions such as memory, attention, problem-solving, and processing speed. They are measured using standardized neuropsychological tests that assess these specific abilities. Examples include memory recall tasks, reaction time tests, and problem-solving exercises. These tests provide objective data on how well a person’s brain is functioning compared to typical performance levels.
- Cognitive Behavioral Therapy (CBT) is a type of psychotherapy that helps individuals identify and change negative thought patterns and behaviors. It is commonly used to treat depression by addressing distorted thinking that contributes to emotional distress. CBT teaches coping skills and problem-solving techniques to improve mood and functioning. It is evidence-based and often combined with other treatments for better outcomes.
- Inflammation in depression involves the immune system releasing chemicals that can affect brain function and mood. These inflammatory molecules may disrupt neurotransmitter balance and brain cell communication, contributing to depressive symptoms. Creatine's anti-inflammatory effects can reduce this immune response, potentially improving brain function and mood regulation. By lowering inflammation, creatine may help alleviate some biological factors underlying depression.
- A pilot study is a small, preliminary trial conducted to evaluate feasibility, time, cost, and potential effects before a larger study. Studies without placebo control groups lack a comparison to an inactive treatment, making it harder to rule out placebo effects or biases. This limits the ability to confidently attribute observed benefits solely to the treatment being tested. Therefore, results from such studies are considered less robust and require further confirmation.
- The reported 14% reduction in cancer risk per 0.09 grams of creati ...
Counterarguments
- The evidence supporting creatine's cognitive benefits, particularly in healthy individuals, is not as robust as it is for physical performance enhancement.
- The studies mentioned may have limitations such as small sample sizes, lack of placebo control, or not being replicated sufficiently to establish strong scientific consensus.
- The long-term effects of high-dose creatine supplementation on brain health are not well understood, and there may be potential risks or side effects that have not been identified.
- The synergistic effect of creatine with cognitive behavioral therapy for depression is based on limited research and requires more rigorous studies to confirm its efficacy.
- The anti-inflammatory effects observed in animal studies may not directly translate to humans due to physiological differences between species.
- The pilot study on Alzheimer's disease lacks a placebo control, which is critical fo ...
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Dispelling Myths and Misconceptions About Creatine
Rhonda Patrick and Steven Bartlett discuss common misunderstandings about creatine, offering evidence to counteract prevalent myths, and exploring its benefits, especially for vegans and vegetarians.
Creatine Doesn't Cause Water Retention or Bloating
Rhonda Patrick addresses concerns about creatine causing water retention and bloating. While acknowledging creatine's role in drawing water into cells, she clarifies that the associated weight gain is minimal, typically no more than two pounds, and shouldn't cause worry.
Trial Dispels Myth: Creatine Doesn't Cause Hair Loss
Dispelling another common myth, Patrick references a study from 2009, which suggested a link between high-dose creatine supplementation in rugby players and an increase in DHT levels associated with hair loss. However, she points out that the study did not directly measure hair loss, its results were never replicated, and no animal evidence suggests that creatine leads to hair loss.
Steven Bartlett refers to a more recent 2025 randomized control trial with 45 resistance-trained men given 5 grams of creatine daily over 12 weeks. The study found no significant difference in hair outcomes or DHT levels as compared to a placebo, further discrediting the myth that creatine causes hair loss.
Benefits of Creatine For Vegans and Vegetarians
Vegans and Those Under Cognitive Stress Report Increased Energy and Improved Cognition With Creatine Supplementation
Rhonda Patrick speaks from personal experience about increasing her creatine intake to 20 grams during periods of h ...
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Dispelling Myths and Misconceptions About Creatine
Additional Materials
Counterarguments
- While Rhonda Patrick suggests that creatine causes minimal water retention, some individuals may be more sensitive to creatine and experience more noticeable bloating or water retention.
- The absence of replication of the 2009 study linking creatine to hair loss does not definitively prove that creatine has no effect on hair loss; more research may be needed to fully understand the relationship.
- The 2025 study mentioned may not be generalizable to all populations, as it focused on resistance-trained men; different demographics could experience different effects.
- While higher doses of creatine may improve cognitive function during periods of high mental demand, it's important to consider the potential for side effects or long-term health implications of sustained high-dose supplementation.
- The claim that vegans often experience increased energy and reduced need for sleep after starting creatine supplementation may not apply to all individuals, as respon ...
Actionables
- You can monitor your cognitive performance before and after starting creatine supplementation by using brain training apps. Track your scores on various cognitive tasks for a month before supplementation and compare them to your scores after a month of consistent creatine intake to see if there's an improvement in cognitive function.
- If you're a vegan or vegetarian, consider adding a creatine supplement to your routine and keep a daily journal of your energy levels and sleep patterns. Note any changes in how you feel throughout the day and the quality and duration of your sleep to assess the impact of creatine on your energy and sleep needs.
- Try varying your creatine dosage during different types of mental wo ...
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