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Table 3 Mean nutritional parameter data (+SEM) from Day 1 and Day 56

From: Multivitamins and minerals modulate whole-body energy metabolism and cerebral blood-flow during cognitive task performance: a double-blind, randomised, placebo-controlled trial

    Day 1 Day 56 Day 56 ANCOVA
  Treatment N Mean SEM Mean SEM Adjusted mean SEM
Vitamin C (mg/L) 1RDA + Q10 24 5.30 0.51 6.02 1.23 6.23 0.62
  3RDA 26 6.87 1.04 6.42 1.26 6.30 0.59
  Placebo 29 6.62 0.61 5.21 0.97 5.14 0.56
Vitamin D (mg/L) 1RDA + Q10 24 25.41 2.40 30.5a 6.22 28.73* 1.51
  3RDA 26 24.27 2.19 30.1a 5.90 29.23* 1.45
  Placebo 29 20.22 2.22 21.76 4.04 23.97 1.39
Vitamin E (mg/L) 1RDA + Q10 24 11.61 0.56 12.1 2.47 12.00 0.40
  3RDA 26 11.73 0.55 12.55 2.46 12.36 0.39
  Placebo 29 11.12 0.44 11.36 2.11 11.62 0.37
CoQ10 (μg/L) 1RDA + Q10 24 562.3 46.0 586.3a 119.7 541.8 36.64
  3RDA 26 473.1 33.3 452.5 88.8 463.4 34.41
  Placebo 29 447.1 26.3 437.8 81.3 464.8 32.89
Iron (μmol/L) 1RDA + Q10 24 1010.7 75.8 951.0 194.1 954.2 75.41
  3RDA 26 1064.4 100.1 1054.9 206.9 1042.4 72.55
  Placebo 29 992.9 89.6 985.2 183.0 993.7 68.65
Zinc (μmol/L) 1RDA + Q10 24 13.16 0.52 13.65 2.79 13.66 0.31
  3RDA 26 13.13 0.28 13.34 2.62 13.35 0.30
  Placebo 29 13.26 0.22 13.23 2.46 13.22 0.28
Homocysteine (μmol/L) 1RDA + Q10 24 11.79 0.61 10.54 2.15 10.35* 0.45
  3RDA 26 11.83 0.75 9.5a 1.86 9.30* 0.43
  Placebo 29 10.76 0.41 11.36 2.11 11.71 0.41
  1. Footnote: a = p < 0.05 from t test comparing means for measures that evinced a significant difference on one way ANOVA of data from the individual day. * = p < 0.05 from t test comparing means for measures that evinced a significant difference on one way ANCOVA of data from Day 56 using Day 1 data as covariate