Starbucks says it’s confident that new products coming next year - including a cold foam protein drink and improved baked goods - will help turn around lagging U.S. sales.

Starbucks will soon offer protein cold foam and is exploring gluten free and protein-centric foods, CEO Brian Niccol said. The macronutrient is having a moment, with companies marketing everything from cereal to popcorn as a way to get more protein.