Table 2

Adverse events reported during the 4-week green tea polyphenol/placebo treatment period

Data are presented as the number of events reported and values in parenthesis represent the number of individuals experienced the event.

Placebo (n = 8)800 mg EGCG once daily (n = 8)800 mg EGCG as Polyphenon E once daily (n = 8)400 mg EGCG twice daily (n = 8)400 mg EGCG as Polyphenon E twice daily (n = 8)
Headache3 (1)2 (2)01 (1)1 (1)
Stomach ache01 (1)1 (1)1 (1)1 (1)
Upset stomach0001 (1)0
Heartburn2 (1)0000
Abdominal pain2 (1)2 (2)1 (1)00
Excess gas1 (1)0001 (1)
Nausea1 (1)5 (2)3 (1)01 (1)
Dizziness01 (1)000
Muscle pain01 (1)000