It is a soft drink popular in the US. The manufacturing plant is in Texas. The name of this soft drink is also very interesting pepper is derived from the word pepsin which is an enzyme in our stomach for digestion of protein. The word Dr. has also some story behind it. It refers to the pharmacist who first introduced this formula in the market. Basically it is a carbonated drink similar to Pepsi and coca cola in Pakistan.
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People would get knowledge from it.