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Fig. 1 | Journal of the International Society of Sports Nutrition

Fig. 1

From: The effects of 14-week betaine supplementation on endocrine markers, body composition and anthropometrics in professional youth soccer players: a double blind, randomized, placebo-controlled trial

Fig. 1

Change in (a) sRPE, (b) Hooper Index [its subset variables (c) sleep, (d) stress, (e) fatigue and (f) DOMS] for 14 weeks in BG and PG. Abbreviation = A.U.: Arbitrary unit; PG: placebo group, BG: betaine group; sRPE: session rating of perceived exertion; DOMS: delayed onset muscle soreness. ∞ Represents a significantly different a main effect of time at that variable during the competition season; * Represents a significantly greater in the PG than the BG; # Represents a significantly greater in the BG than the PG

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