Page:This Journey through the Pure Food Factories (1906).djvu/17

 While having the above in mind, Mr. Post did not forget to incorporate in his food the parts of the wheat and barley that contain the Phosphate of Potash, and certain other elemental salts demanded by the body for certain purposes.

For instance, it is well known that the soft gray organic substance which fills the brain and the nerve centres throughout the body, is made of Albumen, Water and Phosphate of Potash. Brain work or “nervous work” or worry breaks down and dissipates this gray substance, and it must be daily supplied in equal volume with the amount destroyed, else nervous prostration, with its numerous ramifications and horrors, surely follows. The mission of Grape-Nuts food is clear and plain. It does its work in a sturdy, straightforward, dependable way.



From the start, Grape-Nuts was as pronounced a success commercially as Postum