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Table 5 Reported improvements in general health indices following amino acid supplementation

From: Diverse characteristics of the urinary excretion of amino acids in humans and the use of amino acid supplementation to reduce fatigue and sub-health in adults

Symptom index

Pre-supplement

Mean (SE)

Post-supplement

Mean (SE)

p value

Chalder Total Fatigue

Chalder Physical fatigue

Chalder Mental Fatigue

13.4 (0.8)

8.3 (0.6)

5.1 (0.3)

8.8 (0.6)

5.5 (0.4)

3.3 (0.2)

<0.0001

<0.001

<0.0001

General Fatigue index

6.9 (1.2)

3.7 (1.0)

<0.01

Pain index

4.7 (1.1)

3.9 (1.0)

ns

Gastrointestinal index

2.0 (0.6)

2.7 (0.8)

ns

Sleep index

10.4 (1.5)

6.6 (1.0)

<0.01

Vitality index

6.5 (1.2)

2.2 (0.7)

<0.001

  1. Statistical test: Wilcoxon matched pairs test