Lanhers 2017: Creatine and Exercise Performance Meta-Analysis

Study Overview

Citation: Lanhers C, Pereira B, Naughton G, Trousselard M, Lesage FX, Dutheil F. (2017). Creatine supplementation and lower limb strength performance: A systematic review and meta-analyses. Sports Medicine, 47(1), 163-186.

Following their 2015 upper body meta-analysis, Lanhers and colleagues expanded their analysis to examine creatine’s effects on lower body strength and overall exercise performance. This comprehensive meta-analysis provides further evidence for creatine as the most effective legal performance-enhancing supplement.

Key Findings

Lower Body Strength

Creatine supplementation significantly improved lower body strength measures including squat, leg press, and leg extension performance. The effect sizes were comparable to those found for upper body strength, indicating that creatine benefits are not limb-specific but rather systemic.

Power Output

Peak power and mean power output during repeated high-intensity efforts showed significant improvements with creatine supplementation. This is consistent with the phosphocreatine system providing rapid energy for explosive movements.

Repeated Sprint Performance

One of the most practically relevant findings was improved performance in repeated sprint protocols — critical for team sports like football, basketball, and badminton where athletes must repeatedly produce maximal efforts with short recovery periods.

Practical Implications

1. Creatine benefits entire body performance — Not just upper or lower body
2. Team sport athletes benefit significantly — Repeated sprint ability is a key performance indicator
3. Standard dosing protocols are effective — 3-5g daily maintenance dose
4. Combine with sport-specific training — Creatine amplifies training adaptations

Malaysian Relevance

Malaysian athletes in popular sports like badminton, football, and sepak takraw — all requiring repeated explosive efforts — stand to benefit significantly from creatine supplementation. This meta-analysis provides the evidence base supporting creatine use across various sporting contexts relevant to the Malaysian athletic community.

Sources and References

• Lanhers C, et al. (2017). Creatine supplementation and lower limb strength performance. Sports Medicine, 47(1), 163-186.
• Kreider RB, et al. (2017). ISSN position stand. JISSN, 14, 18.

Study Limitations

As with any individual study, several limitations should be considered when interpreting these findings:

• Sample size — many creatine studies use relatively small sample sizes, which can limit statistical power and generalizability
• Study population — results from young, trained males may not directly apply to women, older adults, or untrained individuals
• Duration — short-term studies may not capture long-term effects or the full trajectory of adaptation
• Dosing protocol — variations in loading and maintenance doses across studies make direct comparisons challenging
• Outcome measures — different studies use different performance tests, making meta-analytic comparisons complex

These limitations do not invalidate the findings but should be considered when applying them to individual supplementation decisions.

What This Means for You

For the average creatine user, this research supports the following practical recommendations:

1. Choose creatine monohydrate — it remains the most studied and effective form
2. Take 3-5g daily — consistent daily dosing is more important than timing
3. Take it with food — insulin response from meals enhances muscle uptake
4. Be patient — full saturation takes 3-4 weeks without loading
5. Combine with exercise — creatine works best when paired with resistance or high-intensity training

For more on practical dosing strategies, see our creatine dosage guide.

Study Design and Methodology

Understanding how a study was designed helps assess the strength of its conclusions. Key methodological factors to evaluate include:

• Sample size — larger studies (n=50+) provide more reliable results than small studies (n=10-15). Small sample sizes increase the risk of false positives and limit the ability to detect moderate effect sizes
• Study duration — creatine research requires adequate duration for muscle saturation (minimum 4 weeks for maintenance dosing, 1 week for loading). Studies shorter than this may miss the full effect
• Blinding — double-blind, placebo-controlled designs (where neither researchers nor participants know who receives creatine) are the gold standard for minimising bias
• Population studied — results from trained athletes may not fully apply to untrained individuals, and vice versa. Age, sex, and dietary habits (particularly vegetarian status) also influence creatine response
• Outcome measures — direct measures (muscle biopsy, MRS imaging) are more informative than indirect proxies (blood markers, performance tests) for assessing creatine uptake and metabolism

Clinical Implications and Practical Relevance

This research contributes to our understanding of creatine in several practical ways:

For athletes and fitness enthusiasts: The findings support the use of creatine monohydrate as a safe, effective ergogenic aid. The standard dosing protocol of 3-5g daily remains well-supported by the cumulative evidence base including this study.

For healthcare professionals: Understanding the specific mechanisms and safety data from studies like this helps clinicians provide evidence-based guidance to patients who ask about creatine supplementation. The research consistently shows a favourable safety profile at recommended doses.

For the Malaysian context: While most creatine research is conducted in Western populations, the fundamental biochemistry (ATP-phosphocreatine system) is universal. Malaysian consumers can apply these findings with confidence, adjusting for local factors like tropical climate (increased hydration needs) and halal dietary requirements (synthetic creatine monohydrate is permissible).

How This Fits Into the Broader Evidence

No single study should be used to make definitive claims about creatine supplementation. Instead, this research should be viewed as one piece of a much larger evidence base:

• The ISSN Position Stand (2017) synthesises hundreds of studies into comprehensive recommendations
• Multiple systematic reviews and meta-analyses confirm creatine’s effects on strength, power, and lean mass
• Long-term safety data spanning up to 5 years shows no adverse effects at recommended doses

For a complete overview of the evidence, explore our Research Library which covers 60+ landmark creatine studies.

Further Reading

• creatine dosage guide
• creatine for muscle building
• how creatine works
• buying creatine in Malaysia
• creatine for women
• creatine stacking guide

Sources & References

Full citations available in our Research Library.