Pizza Chains Face Headwinds as 'Proteinmaxxing' and Budget Pressures Boost Chicken QSRs

Domino's Pizza reported third-quarter 2026 results showing U.S. same-store sales growth of just 0.3%—below consensus estimates of around 0.7%—and international comparable sales up 0.2%, missing expectations. Despite earnings and revenue beats driven by supply chain strength and cost efficiencies, shares fell about 3% post-earnings. Bloomberg analyst Ann Gehan highlighted shifting consumer preferences toward chicken amid the 'proteinmaxxing' trend and economic caution, noting stronger performance at chicken-focused chains and Cava compared to pizza operators like Domino's, Papa John's, and Pizza Hut.

The 'proteinmaxxing' phenomenon—prioritizing high protein intake for muscle building, satiety, and health—has gained traction on social media and among fitness enthusiasts, often amplified by GLP-1 weight-loss drugs. Euromonitor and Reuters report surging demand for protein-rich foods, with chicken emerging as a primary beneficiary due to affordability and nutritional profile. Chicken QSRs such as Chick-fil-A (system sales exceeding $24 billion), Wingstop, and Dave's Hot Chicken have posted robust growth, with the category expanding units at 4.4% annually and sales up significantly post-pandemic.

Pizza QSRs, by contrast, have seen softer comparable sales amid competition from convenience stores, value-seeking consumers eating out less, and a pivot away from carb-heavy options. Broader data from Restaurant Business and QSR Magazine confirm pizza's relative underperformance versus chicken segments. This divergence reflects deeper trends: economic pressures squeezing discretionary spending, alongside cultural shifts toward protein-centric diets that favor lean meats over pizza.

While Domino's maintains low-single-digit U.S. same-store sales guidance (toward the lower end for 2026), the episode underscores how niche health trends intersect with macroeconomic realities to reshape QSR dynamics.