Performance Enhancement
Wikipedia says: "Caffeine is a bitter white crystalline xanthine alkaloid that acts as a psychoactive stimulant drug and a mild diuretic in humans and other animals."
4,501
views
21
faves
11
comments
Uploaded on June 29, 2008
Taken on June 29, 2008
Performance Enhancement
Wikipedia says: "Caffeine is a bitter white crystalline xanthine alkaloid that acts as a psychoactive stimulant drug and a mild diuretic in humans and other animals."
4,501
views
21
faves
11
comments
Uploaded on June 29, 2008
Taken on June 29, 2008