By Rob Kunzig
April 26, 2016 at 2:23 pm ET
Sen. Sherrod Brown grimaces as he holds a carton of powdered caffeine, which has come under congressional scrutiny. According to the Ohio Democrat, who spoke in favor of regulation alongside Senate Minority Whip Dick Durbin (D-Ill.) and Sen. Richard Blumenthal (D-Conn.), just one teaspoon of the powder contains as much caffeine as 28 cups of coffee.
Rob Kunzig previously worked at Morning Consult as an editor and photographer.