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Creatine Benefits: More Than Just Muscle Growth | Complete Guide

Updated: Mar 7


Creatine's chemical structure is drawn in white chalk on a green chalkboard. Text includes "Creatine" and "C₄H₉N₃O₂".

What Is Creatine and How Does It Work?


Creatine is an organic acid made in the liver, kidneys, pancreas, and brain (Wyss & Kaddurah-Daouk, 2000). Now that might sound really scientific, but I promise we aren't going to delve into organic chemistry. Simply put, as an organic acid, creatine plays an important process in supplying energy to skeletal muscle and in maintaining brain energy stability.


The key takeaway: Creatine benefits extend far beyond just improving muscle strength and performance. Research shows it also helps maintain and improve brain health, making it one of the most versatile supplements available today.



 

The Science Behind Creatine Synthesis


For your body to utilize creatine's benefits, it must first be available for use. Creatine synthesis—the process through which your body creates creatine—involves a complex sequence across multiple body systems.


Before creatine can be manufactured internally, three critical amino acids are required:

  • Glycine and L-arginine (which your body synthesizes)

  • Methionine (an essential amino acid acquired through dietary sources like fish and red meat)


Additionally, hormones such as testosterone and growth hormone, along with specific synthesizing enzymes, are necessary for creatine production. This multifaceted process can be directly supported through dietary creatine supplementation.


Assorted raw meats on a dark surface: fish, salmon, beef, lamb, and chicken with lemon, lime, basil, dill, herbs, and pepper mix, which are good sources of creatine.

Once synthesized or consumed, creatine is either immediately used for energy needs or stored for later use (Walker 1979). Since both brain and muscle tissues use adenosine triphosphate (ATP) as their primary energy source, creatine helps improve phosphate metabolism, enhancing overall energy utilization and efficiency.


Simply put: The greater your creatine availability, the better your body can respond to energy demands, whether during intense workouts or cognitive challenges.



Person running on a rocky mountain path amid misty clouds. Snowy peaks in the background create a dramatic, adventurous mood. Supplementing diet with creatine can enhance energy utilization

 

Why Supplement With Creatine?


You might wonder: "If my body produces creatine naturally, why supplement?" The answer lies in efficiency and optimization.


Even assuming your creatine synthesis pathways function at 100% efficiency (which is rarely the case), your body likely prioritizes using those three amino acids for various other functions beyond creatine production. Research has consistently demonstrated that creatine supplementation can increase intramuscular creatine stores by 20-40% (Harris et al. 1992, Hultman et al. 1996).





This significant increase makes perfect sense—it's far more efficient to directly supplement with creatine than to supply precursor ingredients (glycine, methionine, and L-arginine) and hope your body prioritizes creatine synthesis.


The creatine benefit advantage: By supplementing with exogenous creatine, you enhance availability for meeting your body's physiological needs, whether for athletic performance, recovery, or cognitive function.



People doing push-ups with dumbbells in a bright gym. They're focused, wearing athletic gear. Sunlight streams through large windows. Creatine supplementation can enhance muscle strength.

 

Is Creatine Supplementation Safe?


This question tops the list of concerns for those considering creatine benefits. Fortunately, creatine is among the most extensively researched supplements available today (Kreider et al 2022; Antonio et al 2021).


Some users report minor side effects like muscle cramps or gastrointestinal discomfort, typically during the loading phase. However, scientific literature contains no reports of serious side effects for either men or women (Ribeiro & D'Cruz. 2013; de Guingand et al 2020), confirming that creatine supplementation is safe when used appropriately (Bizzarini & De Angelis 2004; Kreider et al. 2022).



Hands in various skin tones giving thumbs up against a plain white background, conveying positivity and approval. Research supports the use of creatine and has shown to have positive benefits
 

Side Effects and Considerations


While creatine's safety profile is excellent, some experts recommend cycling your supplementation—abstaining for two weeks after each 6-8 week period—to prevent your body from becoming overly dependent on external creatine.


Safety summary: For individuals without underlying medical conditions, creatine supplementation proves safe, cost-effective, and beneficial when combined with regular exercise. However, as with any supplement, consult your healthcare provider before beginning creatine supplementation.



 

Evidence-Based Creatine Benefits


The extensive research on creatine has revealed a surprising range of benefits that extend well beyond the gym. Here's what science tells us about creatine benefits:


Performance and Muscle Benefits

  • Increases muscle mass and enhances overall performance (Burke et al., 2023; Candow et al., 2021; Forbes et al., 2021; Kreider et al., 2017)

  • Improves maximum muscle strength, power output, and fat-free mass development (Ribeiro & D'Cruz. 2013)

  • Enhances high-intensity exercise capacity and anaerobic performance


Recovery and Rehabilitation Benefits

  • Accelerates tissue regeneration after intense exercise sessions (Ribeiro & D'Cruz. 2013)

  • Improves overall recovery metrics after training (Doma et al 2022; Wax et al 2021)

  • Enhances bone growth and regeneration processes (Louis et al., 2003; Tarnopolsky et al., 2004)

  • Helps maintain and rebuild muscle mass following periods of immobilization (Hespel et al 2001)

  • Supports tendon rehabilitation and healing (Juhasz et al 2018)


Mental Health and Cognitive Benefits

  • Improves symptoms in patients with post-traumatic stress disorder (PTSD), depression, and fibromyalgia (Amital et al. 2006)

  • Reduces symptoms of depression in clinical populations (Roitman et al. 2007)

  • Enhances memory performance and cognitive function (Prokopidis et al. 2023)

  • Supports brain energy metabolism and neuroprotection



Collage of four images: jigsaw head in water, flexed arm in darkness, man lifting weights in gym, and therapist helping patient on table. Collagen supplementation can benefit multiple aspects of health and wellness.

As this research shows, creatine's benefits extend far beyond what most people associate with this supplement. From enhancing physical performance to supporting mental health and recovery, creatine offers a comprehensive range of advantages that make it worth considering for various health and fitness goals.





 

Choosing the Right Creatine Supplement


Not all creatine supplements deliver the same benefits. When selecting a creatine product, I look for several quality indicators:

  • Good manufacturing practices (GMP certification)

  • Clean, minimal ingredients without unnecessary fillers

  • Micronized forms for better absorption and reduced digestive issues

  • Third-party testing for purity and potency


Personally, I recommend Allmax's creatine monohydrate—a product I use both professionally and personally. With rigorous lab testing for every production lot, this high-quality supplement meets the standards I look for in creatine products.



Bottle of creatine

Click here to read more about Allmax's creatine monohydrate.

*Note by clicking on the link you will be redirected to a website operated by Amazon. As an affiliate with Amazon, I may receive compensation with your purchase. Please check first with your medical provider to determine if creatine monohydrate is right for you.


 

Recommendations for Creatine Usage


For optimal creatine benefits, consider these usage guidelines:


  • Start with a loading phase of 20g daily (divided into 4-5 servings) for 5-7 days to saturate muscles quickly (optional but effective)

  • Maintain with 3-5g daily, preferably post-workout or with a meal containing carbohydrates

  • Stay well-hydrated while supplementing with creatine (see my article on hydration here)

  • Avoid high doses during periods of extreme heat stress and humidity, as this may place additional stress on the kidneys

  • Consider cycling off creatine for 2 weeks after every 6-8 weeks of use (though many researchers now suggest continuous use is safe)


 

Frequently Asked Questions About Creatine Benefits


When is the best time to take creatine?

Research suggests taking creatine post-workout may be slightly more effective, but consistency matters more than timing.


Will creatine make me gain weight?

Initially, yes—primarily from water retention in muscle tissue. This is a normal and desired effect that enhances performance and volume.


Do I need to cycle creatine?

While traditional advice suggested cycling, current research indicates continuous use is safe for most individuals.


Is creatine beneficial for vegetarians and vegans?

Absolutely. Since vegetarian/vegan diets contain less dietary creatine, supplementation may be even more beneficial for these groups.


Can women take creatine? Yes, women experience similar creatine benefits without unwanted masculinizing effects, as creatine works independently of hormonal pathways.


Remember, while creatine offers numerous evidence-backed benefits, it works best as part of a comprehensive approach to health, nutrition, and fitness. Combine creatine supplementation with proper training, adequate hydration, and balanced nutrition for optimal results.





 

IN CONCLUSION


Creatine is a naturally occurring substance that plays an integral role in the health of the body. For anyone wanting to improve sports performance, enhance recovery, or improve mental health, creatine supplementation may be the inexpensive option that provides an extra boost to help achieve those 2025 goals.


Have questions about integrating creatine into your supplementation routine? Leave a comment below or reach out for personalized guidance!







Here's to your health and the new year!


Dr. David Didlake, DPT

PT, Cert. SMT/DN, CSCS, Cert. TPI Medical Level 3, Dip. Osteopractic, FAAOMPT

Owner, Integrative Therapeutics "Home of the Saint Louis Golf Doc"

Follow me @theintegrativeclinic @thestlgolfdoc


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References

For those interested in the scientific evidence behind creatine, we've included some key research citations:

  1. Wyss, M., Kaddurah-Daouk, R. (2000). Creatine and creatinine metabolism. Physiol. Rev., 80, 1107-1213.

  2. Ribeiro, V. D’Cruz, F. (2013). Creatine: Biosynthesis, Therapeutic Uses and Physiological Effects of Supplementation. Nova Science Publishers, Inc.

  3. Cunha, M. P., Machado, D.G., Capra, J.C., Jacinto, J., Bettio, L.E., Rodrigues, A.L.S.(2012). Antidepressant-like effect of creatine in mice involves dopaminergic activation. J. Psychopharmacol., 26, 1489-1501.

  4. Kondo, D.G., Sung, Y.H., Hellem, T.L., Fiedler, K.K., Shi, X., Jeong, E.K., Renshaw, P.F. (2011). Open-label adjunctive creatine for female adolescents with SSRI-resistant major depressive disorder: a 31-phosphorus magnetic resonance spectroscopy study. J. Affect. Disord., 135, 354-361.

  5. Walker, J. B. (1979). Creatine: biosynthesis, regulation, and function. Adv Enzymol. Relat. Areas Mol. Biol., 50, 177-242.

  6. Harris, R., K. Söderlund, and E. Hultman (1992). Elevation of creatine in resting and exercised muscle of normal subjects by creatine supplementation. Clin. Sci. 83:367–374.

  7. Hultman, E., K. Söderlund, J. Timmons, G. Cederblad, and P. Greenhaff (1996). Muscle creatine loading in men. J. Appl. Physiol. 81:232–237.

  8. Kreider R.B., Jager R., Purpura M. Bioavailability, Efficacy, Safety, and Regulatory Status of Creatine and Related Compounds: A Critical Review. Nutrients. 2022;14:1035. doi: 10.3390/nu14051035

  9. Antonio, J., D.G. Candow, S.C. Forbes, B. Gualano, A.R. Jagim, R.B. Kreider, E.S. Rawson, A.E. Smith-Ryan, T.A. VanDusseldorp, D.S. Willoughby, and T.N. Ziegenfuss (2021). Common questions and misconceptions about creatine supplementation: What does the scientific evidence really show? J. Int. Soc. Sports Nutr. 18:1–17.

  10. de Guingand DL, Palmer KR, Snow RJ, Davies-Tuck ML, Ellery SJ. Risk of Adverse Outcomes in Females Taking Oral Creatine Monohydrate: A Systematic Review and Meta-Analysis. Nutrients. 2020 Jun 15;12(6):1780. doi: 10.3390/nu12061780. PMID: 32549301; PMCID: PMC7353222.

  11. Bizzarini, E.; De Angelis, L. (2004). Is the use of oral creatine supplementation safe? The Journal of Sports Medicine and Physical Fitness, 44, 411 - 416.

  12. Burke, R., A. Piñero, M. Coleman, A. Mohan, M. Sapuppo, F. Augustin, A.A. Aragon, D.G. Candow, S.C. Forbes, P. Swinton, and B.J. Schoenfeld (2023). The effects of creatine supplementation combined with resistance training on regional measures of muscle hypertrophy: A systematic review with meta-analysis. Nutrients 15:2116.

  13. Candow, D., P. Chilibeck, J. Gordon, and S. Kontulainen (2021). Efficacy of creatine supplementation and resistance training on area and density of bone and muscle in older adults. Med. Sci. Sports Exerc. 53:2388–2395.

  14. Forbes, S.C., J.R. Krentz, and D.G. Candow (2021). Timing of creatine supplementation does not influence gains in unilateral muscle hypertrophy or strength from resistance training in young adults: a within-subject design. J. Sports Med. Phys. Fit. 61:1219–

    1225.

  15. Kreider, R.B., D.S. Kalman, J. Antonio, T.N. Ziegenfuss, R. Wildman, R. Collins, D.G. Candow, S.M. Kleiner, A.L. Almada, and H.L. Lopez (2017). International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. J. Int. Soc. Sports Nutr. 14:18.

  16. Doma K, Ramachandran AK, Boullosa D, Connor J. The Paradoxical Effect of Creatine Monohydrate on Muscle Damage Markers: A Systematic Review and Meta-Analysis. Sports Med. 2022 Jul;52(7):1623-1645. doi: 10.1007/s40279-022-01640-z. Epub 2022 Feb 26. PMID: 35218552; PMCID: PMC9213373.

  17. Wax B., Kerksick C.M., Jagim A.R., Mayo J.J., Lyons B.C., Kreider R.B.J.N. Creatine for exercise and sports performance, with recovery considerations for healthy populations. Nutrients. 2021;13:1915. doi: 10.3390/nu13061915.

  18. Louis, A., J. Lebacq, J.R. Poortmans, M.C. Belpaire-Dethiou, J.P. Devogelaer, P. Van Hecke, F. Goubel, and M. Francaux (2003). Beneficial effects of creatine supplementation in dystrophic patients. Muscle Nerve 27:604–610.

  19. Tarnopolsky, M.A., D.J. Mahoney, J. Vajsar, C. Rodriguez, T.J. Doherty, B.D. Roy, and D. Biggar (2004). Creatine monohydrate enhances strength and body composition in Duchenne muscular dystrophy. Neurology 62:1771–1777.

  20. Hespel P., Op’t Eijnde B., Van Leemputte M., Urso B., Greenhaff P.L., Labarque V., Dymarkowski S., Van Hecke P., Richter E.A. Oral creatine supplementation facilitates the rehabilitation of disuse atrophy and alters the expression of muscle myogenic factors in humans. J. Physiol. 2001;536:625–633. doi: 10.1111/j.1469-7793.2001.0625c.xd.

  21. Amital, D., Vishne, T., Rubinow, A., Levine, J. (2006). Observed effects of creatine monohydrate in a patient with depression and fibromyalgia. Am. J. Psychiatry, 163, 1840-1841.

  22. Roitman, S., Green, T., Osher, Y., Karni, N., Levine, J. (2007). Creatine monohydrate in resistant depression: a preliminary study. Bipolar. Disord., 9, 754-758.

  23. Prokopidis K, Giannos P, Triantafyllidis KK, Kechagias KS, Forbes SC, Candow DG. Effects of creatine supplementation on memory in healthy individuals: a systematic review and meta-analysis of randomized controlled trials. Nutr Rev. 2023 Mar 10;81(4):416-427. doi: 10.1093/nutrit/nuac064. PMID: 35984306; PMCID: PMC9999677.

  24. Juhasz I., Kopkane J.P., Hajdu P., Szalay G., Kopper B., Tihanyi J. Creatine Supplementation Supports the Rehabilitation of Adolescent Fin Swimmers in Tendon Overuse Injury Cases. J. Sports Sci. Med. 2018;17:279–288.


This article is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before beginning any new treatment.

 
 
 

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