Table 1.

Chalder fatigue scale scores (mean ± SEM) for a group of 17 males before and after supplementation with amino acids

Chalder fatigue scale	Before supplement	After supplement (30 days)	P value
	Mean (SEM)	Mean (SEM)
Total fatigue	12.5 (0.9)	10.0 (1.0)	P < 0.03
Physical fatigue	7.6 (0.5)	6.1 (0.7)	P < 0.03
Mental fatigue	4.8 (0.5)	3.9 (0.3)	ns

Statistical test: Mann–Whitney U test, P < 0.05.