The box described this triangle-shaped cereal as "a new high nutrition pre-sweetened corn cereal that kids really get a charge from - plug into the Mister Muscle Power Pack".
This product appears to have stalled out in the prototype/testing phase and never made it mass market.
It appears in our database because it's commonly included in other lists of American breakfast cereals.
Company Description: Founded by C.W. Post, the company began in 1895 in Battle Creek, Michigan under the name Postum Cereals. Their first product was a coffee substitute called Postum. The first breakfast cereal to come from the company was Grape-Nuts in 1897... Read on and see all cereals from Post
Be A Mister Muscle Cereal Box
Comments About This Cereal
What do you think of Mister Muscle?By Gorilla Monsoon
In the UK, there's a brand of drain cleaner called Mr. Muscle... probably not edible though!
Comment submitted: 5/8/2016 (#20274)