 Pfizer is moving forward with a new daily weight loss pill. ABC's Ariel Reshef has more. If approved, this would be one more tool in the fight against obesity. Pfizer announcing it has selected a formula for its once-a-day GLP-1 receptor weight loss pill. The pill's intent is to act similarly as those weekly shots like Wegovi and Zetbound that suppress appetite and lower food intake. Pfizer still has to do large-scale clinical trials to prove that the pill is safe.