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Table 3 Mean ± SD of dietary intake and exercise participation before and after 28 days of supplementation

From: The effects of phosphocreatine disodium salts plus blueberry extract supplementation on muscular strength, power, and endurance

Group Pre- Supplementation Post-Supplementation
Dietary Intake
Calories (kcals)
  Creatine Monohydrate Group (n = 12) 1875.7 ± 656.2 1706.4 ± 581.5
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group (n = 11) 1704.8 ± 464.8 1781.7 ± 312.7
  Placebo Group (n = 10) 1734.5 ± 377.3 1463.8 ± 223.4
Carbohydrates (g)
  Creatine Monohydrate Group 173.4 ± 73.5 173.4 ± 70.4
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 154.5 ± 67.0 161.3 ± 42.0
  Placebo Group 187.1 ± 61.4 150.1 ± 36.7
Fats (g)
  Creatine Monohydrate Group 73.6 ± 30.3 66.7 ± 25.2
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 59.8 ± 23.0 66.0 ± 24.3
  Placebo Group 64.6 ± 16.5 58.1 ± 18.4
Protein (g)
  Creatine Monohydrate Group 100.5 ± 52.1 94.6 ± 35.3
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 100.0 ± 473.7 107.7 ± 33.1
  Placebo Group 99.4 ± 24.5 87.6 ± 23.2
Exercise Participation
Aerobic Training (hours/week)
  Creatine Monohydrate Group 2.2 ± 2.3 1.7 ± 2.3
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 0.9 ± 1.6 1.0 ± 1.5
  Placebo Group 2.5 ± 2.2 2.7 ± 3.0
Resistance Training (hours/week)
  Creatine Monohydrate Group 2.0 ± 1.6 3.4 ± 2.6
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 3.2 ± 2.3 3.2 ± 2.1
  Placebo Group 2.4 ± 1.7 2.0 ± 1.6
Total Exercise (hours/week)
  Creatine Monohydrate Group 4.2 ± 3.0 5.0 ± 3.4
  Phosphocreatine Disodium Salts Plus Blueberry Extract Group 4.2 ± 1.6 4.2 ± 1.7
  Placebo Group 4.9 ± 2.3 4.6 ± 3.2
  1. Note: Note: Analyses for the dietary intake demonstrated no significant interactions (p = 0.160–0.400, η2p = 0.59–0.115) or main effects for Time (p = 0.108–0.0.604, η2p = 0.009–0.084) or Group (p = 0.537–0.7889, η2p = 0.016–0.038) for total calories, carbohydrate, fat, or protein intake before and after the 28-day supplementation. Analyses for exercise participation also demonstrated no significant interactions (p = 0.116–0.395, η2p = 0.60–0.134) or main effects for Time (p = 0.435–0.676, η2p = 0.006–0.020) or Group (p = 0.248–0.856, η2p = 0.010–0.089) for aerobic and resistance training, or total exercise time