A 12-Week Randomized Double-Blind Placebo-Controlled Clinical Trial, Evaluating the Effect of Supplementation with a Spinach Extract on Skeletal Muscle Fitness in Adults Older Than 50 Years of Age.

Nutrients · 2021 · PMC8706266 · PMID 34959924

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did not reach statistical significanceno p-value reported

Maximal dynamic force (1RM) increased in both groups, but between-group differences did not reach statistical significance. 3.4.

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