PEP was a whole-wheat breakfast cereal introduced by the Kellogg Company in 1923. A long-running rival to Wheaties, PEP became in the 1930s the first cereal fortified with vitamins through the “spray” method.
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PEP was a whole-wheat breakfast cereal introduced by the Kellogg Company in 1923. A long-running rival to Wheaties, PEP became in the 1930s the first cereal fortified with vitamins through the “spray” method.