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April 16, 2026Journal of the International Society of Sports NutritionOpen Access

Effects of eight weeks of eicosapentaenoic acid and medium-chain triacylglycerol structured lipid intake on EPA/AA ratio and muscle performance in young men

Takashi Shimizu Yosuke Tsuchiya Hisashi Ueda Kaori Yokoi Kenichi Yanagimoto Eisuke Ochi

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Key Points

To assess the effects of eicosapentaenoic acid and medium-chain triglycerides on muscle performance and EPA/AA ratios.
Conducted an eight-week supplementation trial.
Compared structured lipid intake with control.
Measured blood EPA/AA ratios and muscle performance metrics.
Supplementation improved the blood EPA/AA ratio compared to the control.
No significant enhancements were observed in muscle endurance.
Fatigue levels remained similar across both supplementation and control groups.

Implication

Eight weeks of supplementation improved the EPA/AA ratio in young men, suggesting potential benefits but no significant gains in muscle performance.

Abstract

Eight weeks of STG supplementation improved the blood EPA/AA ratio more than a PM, but did not yield superior effects on muscle endurance or fatigue.

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Cite This Study

Shimizu et al. (2026) studied this question.

synapsesocial.com/papers/69e4745f010ef96374d9028c https://doi.org/10.1080/15502783.2026.2658774

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