Table 5.

Reported improvements in general health indices following amino acid supplementation

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

Statistical test: Wilcoxon matched pairs test