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Why is Creatine so popular, and how does it help your muscles and brain health?

Creatine is a naturally occurring compound made from amino acids. Your body produces it in the liver, kidneys, and pancreas, and you also get small amounts from foods like red meat and fish.


About 95% is stored in muscles, with a small but important amount in the brain.


Its main job is to help regenerate ATP (adenosine triphosphate), the primary energy molecule your cells use for quick energy. The more available creatine you have, leads to better your ability to rapidly produce energy, especially in high-demand tissues like your muscles and brain.


We often hear that creatine is used for supporting strength and muscle growth, but with the brain’s high energy needs, it means creatine may also support cognitive function, especially during stress or energy depletion.


What Research Says About Cognitive Benefits & Brain Health

Memory & Cognitive Performance

  • Clinical trials suggest creatine supplementation can modestly improve memory performance compared with a placebo. (PubMed)

  • Some studies find small improvements in working memory, reasoning, and processing speed, though effects vary by age group and task. (PubMed)

  • Benefits may be more evident in older adults and during cognitive strain (e.g., sleep deprivation) than in young, unstressed adults. (PubMed)

Brain Energy Under Stress

  • During sleep loss or metabolic stress, creatine appears to help maintain cognitive performance by stabilising high-energy phosphate levels in the brain. (Nature)

Vegetarians & Vegans

  • Some studies suggest vegetarians/vegans — who get less dietary creatine — may see larger cognitive gains from supplementation, though evidence is mixed. (PubMed)


What Research Says About Muscle Function & Growth

  • Increased muscle strength when used with resistance training (PubMed).  Creatine helps your muscles work harder and longer, especially during resistance or power training, by boosting energy availability, helping build lean muscle and improve performance in training.

  • Enhanced high-intensity performance (Healthline)

  • Greater lean muscle mass gains compared with training alone (PMC) helping to reduce muscle damage and improve training in the long run.

  • Benefits are seen in young adults and older adults alike


New research that has taken place on women show benefits of taking creatine include 

  • Increase strength

  • Support lean muscle

  • Improve training results

  • Cognitive performance

  • Mood regulation

  • Mental fatigue

  • Hormonal fluctuations (menstrual cycle, pregnancy, perimenopause, menopause) affect energy metabolism, and creatine may help buffer those changes (Note: use caution for Pregnant or breastfeeding women, as only limited research currently exists).


Safety & Side Effects

Generally Safe When Used Appropriately

  • Creatine (especially creatine monohydrate) is well-studied and widely considered safe at standard doses (typically 3–5 g/day).

  • Most robust research comes from exercise science, not brain health, but safety profiles are reassuring across a range of populations.


Possible Side Effects

Common and mostly mild:


Less common, rare concerns:

  • Individuals with pre-existing kidney or liver conditions should consult a healthcare provider before use. (Alzheimer's Drug Discovery Foundation).  Hydration and not exceeding recommended doses help reduce risk.


Dosage & Practical Tips

Typical Approach

  • Standard dose: ~3–5 g daily of creatine monohydrate. Takes 3-4 weeks to fully saturate muscles with daily use.

  • Some protocols include a loading phase (higher doses briefly), 20 grams per day (split into 4 x 5g doses), for 5–7 days, then drop to 3–5g daily maintenance.


Timing

  • Creatine can be taken with meals or any time that fits your routine — consistency matters more than timing.


Food Sources

  • Creatine is naturally found in red meat, fish, and some dairy, but typical diets supply much less than supplement protocols. (SpringerLink)


If you would like further support with nutrition and supplements for optimal training,

Please be in contact or book an appointment today.




 
 
 

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