From: Suppression of exercise-induced neutrophilia and lymphopenia in athletes by cystine/theanine intake: a randomized, double-blind, placebo-controlled trial
P group (n = 8)
CT group (n = 8)
Age (year)
20.0 ± 0.9
Height (cm)
170.9 ± 5.0
171.0 ± 6.8
Weight (kg)
55.8 ± 3.9
56.5 ± 5.0
Personal best time for 5000 m run
15 min 5 s ± 23 s
15 min 9 s ± 24 s