Grape nuts cereal is an American cereal. the only place you can get it from in Australia is from USA foods and its expensive.
I believe it was Grape-Nuts in 1867.
grape nuts*
According to the post Cereal site, 1/2 cup (58 grams) of Grape Nuts have 200 calories.
Under the PointsPlus program, 1/2 a cup of Grape Nuts cereal is 6 Weight Watchers points.
Jack London endorsed Grape-Nuts cereal and Royal Typewriters.
According to the Post Cereal website, the name is believed to come from the "grape sugar" that formed while baking, and the "nutty" flavor that they had. See related link.
The first printed coupon circulated by C.W. Post was for one cent off Grape-Nuts Cereal in 1895.
Grape-Nuts was created in 1897.
Not in Grape Nut Flakes, but I'm not too sure about actual Grape Nuts. I would go to the store and check the ingredients on the nutrition label on the side of the box. That would probably tell you.
"Cups" is a measurement of volume, or "how much cereal occupies this space?" Grams is a measurement of weight. Rice crispies, for example, are puffed rice. There is plenty of air in them making them a lightweight cereal. Grape nuts are a solid dense cereal, making them heavier than rice crispies. There is no accurate answer to this question.
YES
The Parkers - 1999 Grape Nuts 1-1 was released on: USA: 30 August 1999