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Table 2 The analysis of the average daily caloric and macronutrient intake

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

Nutrient Groups Pre-Season Mid- Season Post- Season MET (p)
M ± SD M ± SD M ± SD
Kilocalories (kcals/day) BG 2535.6 ± 134.6 2570.7 ± 125.5 2550.8 ± 159.9 0.85
PG 2600 ± 214.6 2559.8 ± 199.2 2561.2 ± 183.4
Carbohydrate (g) BG 359.6 ± 19.0 366.5 ± 18.0 365.1 ± 22.4 0.95
PG 370 ± 30.7 364.8 ± 28.4 366.1 ± 25.8
Protein (g) BG 84.1 ± 5.4 84.2 ± 4.5 82.9 ± 5.2 0.18
PG 85 ± 7.0 84.3 ± 6.8 83.2 ± 6.0
Fat (g) BG 84.5 ± 4.5 85.5 ± 4.2 84.7 ± 5.5 0.65
PG 86.7 ± 7.2 85.1 ± 6.7 85.2 ± 6.2
  1. M mean; SD standard deviations; PG placebo group; BG betaine group; MET Main Effect of Time; Diet Participants’ intake data were analyzed using with repeated measurements ANOVA