“Corn is a speedometer for your digestive system”

Corn goes through one’s digestive system and comes out very noticeably. “It occured to me today that chipotle’s corn salsa can act as a speedometer for your digestive system” was posted on Twitter by Patrick Savory on September 21, 2011.
 
“Corn is a speedometer for your digestive system” was posted on Reddit—Showerthoughts on December 2, 2020.
 
“Corn is the tracer bullet of the digestive system” is a similar saying.
   
     
Twitter   
Patrick Savory
@PatTskitiSavory
It occured to me today that chipotle’s corn salsa can act as a speedometer for your digestive system
6:18 PM · Sep 21, 2011·Twitter Web Client
 
Reddit—Showerthoughts
Posted by u/colonelk0rn December 2, 2020
Corn is a speedometer for your digestive system.
COMMENTS
polaris2acrux
Beets too but a whole lot scarier.
     
Twitter
No One
@sensiblehair
Corn is a speedometer for your digestive system. via /r/Showerthoughts
8:53 PM · Dec 2, 2020·IFTTT
 
Twitter
Shower Thoughts
@5howerthoughts
corn is a speedometer for your digestive system. #showerthoughts
9:33 PM · Dec 2, 2020·Twitter For Shower
     
Twitter
Thoughts Outsider
@thoughtoutsider
Corn is a speedometer for your digestive system.
11:53 PM · Dec 2, 2020·IFTTT
 
Twitter
all geared up
@All_Geared_Up
Corn is a speedometer for your digestive system.
2:44 PM · Dec 3, 2020·Twitter for iPhone