Pepsi OneRating:Pepsi One is the newest low-calorie (a.k.a. diet) soda from pepsi. This beverage uses a combination... Are we missing a product? Add It Here Buy Pepsi One Online Comments × Contact the Manufacturer of Pepsi One By using this form, you will be sending an email inquiry to the makers of this product. Please enter your message: Subject* Message* How can the manufacturer contact you?This information will be used for this inquiry only. Your Name* Your Email* Company Phone Number Address City State/Province Postal Code Country Please answer the question below Is Pepsi cola carbonated or non-carbonated?