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Table 1 Group characteristics, performance data, clinical chemistry and nutrition data of 52 trained subjectsa, estimated at baseline

From: Effects of zeolite supplementation on parameters of intestinal barrier integrity, inflammation, redoxbiology and performance in aerobically trained subjects

Variable Reference rangeb,c Zeolite Placebo
(n = 27) (n = 25)
Group characteristics, VO2max, Pmax data:    
Age, yr   33.6 ± 5.3 37.2 ± 4.9
BMI, kg . m-2   22.7 ± 2.2 23.2 ± 2.1
Weight, kg (men)   73.8 ± 5.9 74.6 ± 6.3
Weight, kg (women)   56.7 ± 3.9 58.8 ± 3.4
Total body fat, % (men)   13.5 ± 3.1 14.1 ± 3.9
Total body fat, % (women)   17.7 ± 2.1 17.3 ± 2.2
VO2max, mL (men)d   4263 ± 132 4187 ± 119
relVO2max, mL . kg-1 . min-1(men)e   53.2 ± 5.1 52.3 ± 4.6
VO2max, mL (female)f   2367 ± 128 2357 ± 132
relVO2max, mL . kg-1 . min-1(women)g   42.5 ± 3.6 41.4 ± 3.6
Pmax, W (men)h   360.4 ± 29.1 352.3 ± 24.6
relPmax, W . min-1 (men)i   4.6 ± 0.5 4.5 ± 0.4
Pmax, W (women)j   240.5 ± 25.5 241.8 ± 23.6
relPmax, W . min-1 (women)k   4.2 ± 0.8 4.1 ± 0.7
Clinical Chemistry (exerpts):    
Glucose, mmol . L-1 3.9 - 6.1 4.1 ± 0.5 4.6 ± 0.4
Hemoglobin, g . L-1 136 - 172 152 ± 12 150 ± 19
Iron, μmol . L-1 11 - 32 21.4 ± 5.5 20.6 ± 4.9
Ferritin, μg . L-1 18 - 300 111 ± 32 99 ± 26
Cholesterol, mmol . L-1 <5.85 4.27 ± 1.03 4.36 ± 1.13
HDL, mmol . L-1 0.80 - 1.80 1.20 ± 0.13 1.23 ± 0.19
Triglycerides, mmol . L-1 <1.80 0.92 ± 0.32 0.98 ± 0.26
Testosterone, nmol . L-1(men) 10 - 31 16.3 ± 4.9 18.2 ± 4.1
Creatinine, μmol . L-1 50 - 110 90 ± 11 89 ± 17
Vitamin C (ascorbate), μmol . L-1 30 - 110 57.3 ± 15.7 63.6 ± 22.9
Uric acid, μmol . L-1 120 - 420 315.5 ± 69.6 311.4 ± 64.4
Aluminium, nmol . L-1 0 - 560 199.2 ± 43.6 209.1 ± 59.3
Nutrition (exerpts):    
Energy, kJ . d-1 11776 - 13902 12445 ± 893 12756 ± 1455
Fat, % <30 % of kJ · d-1 33.5 ± 4.2 % 34.1 ± 3.1 %
Protein, % 10 - 15 % of kJ · d-1 16.3 ± 2.1 % 15.8 ± 3.2 %
Carbohydrates, % >50 % of kJ · d-1 48.3 ± 9.1 % 49.2 ± 10.3 %
Water, mL 2600 2998 ± 495 2779 ± 682
Fibres, g 30 26 ± 5 25 ± 4
Vitamin C, mg 72 - 106 132 ± 48 118 ± 67
Vitamin E, mg 14 15 ± 5 13 ± 9
Folate, μg 434 - 505 282 ± 155 292 ± 165
Vitamin B-6, mg 3.2 - 3.8 1.89 ± 2.9 1.85 ± 2.8
Vitamin B-12, μg 3.3 – 3.7 5.0 ± 2.8 5.6 ± 1.4
Sodium, mg >646 2711 ± 885 2689 ± 970
Potassium, mg 2171 - 2523 3362 ± 904 3436 ± 1251
Magnesium, mg 185 - 361 408 ± 134 385 ± 119
Calcium, mg 1085 - 1261 1080 ± 395 1007 ± 327
Iron, mg 10.9 - 12.5 14.3 ± 5.6 13.9 ± 7.2
  1. aValues are means ± SD, and did not differ between the groups (P > 0.05, Student’s t-test); bReference range for clinical chemistry parameters [31]; cReference values for dietary intake (RDA) in Germany, Austria, Switzerland [32], ranges presented here apply to physical active people; VO 2max maximum oxygen uptake, P max maximum performance; d-kNo effects of 12 weeks of treatment or time on VO2max, relVO2max, Pmax, or relPmax, neither in men nor in women