At Five Guys, the Bunless Hamburger is a solid high-protein order and keto- and low-carb-friendly. That works out to 7.3g of protein per 100 calories — 2g above the 30g Five Guys average. Its macros land at roughly 29% of calories from protein, 0% from carbs and 70% from fat.
Source: Five Guys Nutrition ↗, last verified Jun 17, 2026. Menus change periodically; values may vary by location. How we verify →
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Bunless Hamburger — common questions
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Is the Bunless Hamburger keto-friendly?
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