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.

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.

The coffee shop giant’s same-store sales declined 2% last quarter, extending its worst sales slide in 15 years. But occasional customers

Starbucks shares rose about 5% before the bell on Wednesday as the coffee chain's strong quarterly sales signaled CEO Brian Niccol's turnaround plan was bearing fruit.