Where can you complain about new formula for Diet Pepsi?

You can complain about the new formula for Diet Pepsi by contacting PepsiCo, the company that produces Diet Pepsi. You can do this by calling their customer service line at 1-800-433-2652, or by sending them an email through their website at www.pepsico.com. When you contact PepsiCo, be sure to include your name, address, and contact information, as well as a detailed description of your complaint.