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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