Quest Nutrition - Stacks Protein Bar

Quest Stacks is the newest bar format from Quest Nutrition — a multi-layer, multi-texture protein bar experience that's unlike anything else in the Quest lineup. True to its name, Quest has stacked the inside with varying layers of texture and taste — crispy, crunchy puff pieces, a more traditional dense and doughy chunk, a thin gooey filling, all covered in a hard flavorful coating with a drizzle on top. Every bite twists and turns through different consistencies as your teeth crunch through the layers. The macros are everything you expect from Quest: 20g of protein, 2-3g of net carbs, and only 1g of sugar — with a rich-in-fiber formula and zero added sugar. Three launch flavors: Salted Caramel, Brownie a la Mode, and Cinnamon Brown Sugar. Gluten free. Contains Milk, Almonds, and Soy. Processed in a facility that also processes Peanuts and Wheat.†

Nutrition Facts — Quest Stacks Protein Bar (Per 1 Bar)

• Calories: ~190-210 (varies by flavor)
• Protein: 20g
• Total Carbohydrate: 28g
• Dietary Fiber: Rich in fiber
• Net Carbs: 2-3g
• Total Sugars: 1g (0g Added Sugar)

Protein Source

• Milk Protein Isolate — slow-digesting casein-dominant protein for sustained amino acid release and satiety
• Whey Protein Isolate — fast-digesting whey for rapid muscle protein synthesis support

Fiber and Sweetener System

• Polydextrose (Prebiotic Fiber), Soluble Corn Fiber (Prebiotic Fiber)
• Sweetened with Erythritol, Sucralose, Stevia — zero added sugar

• Gluten free. 1g sugar. 0g added sugar.
• Allergens: Contains Milk, Almonds, Soy. Processed in a facility that also processes Peanuts, Wheat, and other Tree Nuts.
• Flavors: Salted Caramel, Brownie a la Mode, Cinnamon Brown Sugar

What Makes Stacks Different From Every Other Quest Bar

Quest makes a lot of bars. The original Quest Bar set the standard for high-protein, low-carb nutrition in a portable format. Quest Dipped added a chocolate coating. Quest Candy Series pushed the flavor creativity. Quest Crispy brought a different texture. Quest Overload loaded in inclusions. Quest Stacks is differentiated by texture — you're biting into a consistency that twists and turns as your teeth bite down and crunch through. †

The layered architecture is the point. Most protein bars have one consistent texture throughout — dense and chewy, or firm and dense, or coated and soft inside. Stacks builds five distinct textural layers into a single bar. The crunchy puff layer adds an airy, rice-crispy-like crunch. The doughy layer provides the familiar Quest Bar chew. The gooey filling adds a soft, almost caramel-like filling layer. The hard coating provides a chocolate shell snap. The drizzle adds another flavor dimension on top. The result is a bar that evolves as you eat it — different texture and flavor intensity with each bite as you progress through the layers — rather than the uniform experience of a single-texture bar.†

The Macros — The Quest Formula That Built a Category

Quest Nutrition built its brand on a specific nutritional promise: food that tastes indulgent and performs nutritionally. The Stacks bar delivers the same macro framework that made the original Quest Bar the best-selling protein bar in the US market. 20 grams of protein per bar from a Milk Protein Isolate and Whey Protein Isolate blend — a dual-phase protein that delivers fast amino acid availability from the whey fraction and slow-release sustained amino acid delivery from the casein-rich milk protein isolate fraction. The dual-protein approach produces better satiety and more sustained muscle protein synthesis support than single-source whey alone.†

The net carb calculation — 2-3g from 28g total carbohydrate — is the signature Quest math. High total carbohydrate from fiber doesn't equal high digestible carbohydrate. The vast majority of Quest Stacks' carbohydrate content is prebiotic fiber (Polydextrose and Soluble Corn Fiber) — fiber that passes undigested to the colon where gut bacteria ferment it, producing short-chain fatty acids for gut health without contributing to blood glucose. Net carbs represent only the digestible carbohydrates that affect blood sugar and insulin — at 2-3g, Quest Stacks is suitable for low-carb, keto-adjacent, and blood sugar-conscious dietary approaches.†

The 1g of sugar — with 0g added sugar — comes from naturally occurring sugar in the bar's components. The sweetness you taste is from Erythritol (a sugar alcohol at ~0.24 kcal/g with minimal blood glucose impact), Sucralose (zero-calorie high-intensity sweetener), and Stevia Sweetener. The combination produces sweetness without the blood sugar spike and crash that sugar-sweetened bars produce.†

The Three Flavors

Salted Caramel — the most universally appealing of the three launch flavors. Warm, buttery caramel sweetness balanced with a salted finish that cuts through the richness. The salted caramel combination is one of the most successful flavor pairings in the confectionery world, and Quest's execution through the layered format gives each textural layer a slightly different expression of the flavor — the coating delivers the first hit, the gooey filling carries the caramel richness, and the salt in the drizzle punctuates the finish.†

Brownie a la Mode — a decadent fudge, chocolate, and vanilla ice cream blend — the most indulgent of the three. The brownie base provides deep chocolate richness through the doughy and filling layers. The vanilla ice cream dimension is captured in the lighter, sweeter coating and drizzle notes. This flavor most directly targets the dessert experience — it's the one that makes you forget you're eating a protein bar.†

Cinnamon Brown Sugar — the most distinctive of the three and the one with the widest appeal beyond the typical chocolate-first protein bar buyer. Warm cinnamon spice layered with deep brown sugar sweetness — the flavor profile evokes cinnamon rolls, snickerdoodles, and churros. The spice note evolves through the bar's layers, with different intensities at the coating, filling, and dough levels.†

When to Use Quest Stacks

Quest Stacks is a portable, shelf-stable protein bar designed for the gap moments — between meals when hunger hits before you can prepare whole food, pre-workout when you need protein and some carbohydrate without a full meal, post-workout when you need protein quickly and palatably, or simply as a high-protein snack that satisfies a sweet craving without the sugar and caloric load of a conventional candy bar or baked good. At 20g protein and 2-3g net carbs, Quest Stacks fits into virtually any nutritional approach from strict low-carb and ketogenic diets to standard caloric tracking.†

Frequently Asked Questions

1. How does Quest Stacks differ from the original Quest Bar?
   The primary difference is texture and format. The original Quest Bar is a single-texture dense and chewy bar with a consistent bite from end to end. Quest Stacks builds five distinct layers — crispy puff pieces, dense dough, gooey filling, hard coating, and drizzle — that create a multi-textural experience in each bite. The macros are comparable: both deliver 20g protein, minimal sugar, and 2-4g net carbs. Quest Stacks is the experiential evolution of the Quest Bar formula — same nutritional DNA, dramatically different eating experience.†
2. Are Quest Stacks keto-friendly?
   Yes for most keto practitioners. At 2-3g net carbs per bar, Quest Stacks fits comfortably within the typical 20-50g daily net carb range for ketogenic diets. The fiber content (Polydextrose and Soluble Corn Fiber) does not count toward net carbs as it is not digestible and does not impact blood glucose or ketosis. The sweeteners (Erythritol, Sucralose, Stevia) are keto-appropriate. Individual tolerance to sugar alcohols varies — Erythritol is the most gut-tolerated of the common sugar alcohols.†
3. What are the allergens in Quest Stacks?
   Quest Stacks contains Milk, Almonds, and Soy. They are processed in a facility that also processes Peanuts, Wheat, and other Tree Nuts. Individuals with severe allergies to any of these should confirm tolerance before consuming. Quest Stacks is gluten free despite being processed in a facility that handles wheat — this reflects Quest's manufacturing controls, not an absence of cross-contact risk for individuals with celiac disease or severe wheat allergy.†
4. How does the protein blend work — why use both Milk Protein Isolate and Whey Protein Isolate?
   Milk Protein Isolate is approximately 80% casein and 20% whey — the casein fraction digests slowly, releasing amino acids over 4-6 hours and producing sustained satiety and extended muscle protein synthesis support. Whey Protein Isolate digests rapidly, delivering amino acids to muscle tissue within 30-60 minutes of ingestion. The dual-source blend provides both immediate post-consumption amino acid delivery (from whey) and prolonged satiety and recovery support (from casein) in a single bar — a more complete protein delivery profile than either source alone would provide.†

How to Use Quest Stacks

Eat one bar as a high-protein snack, pre-workout fuel, post-workout recovery bar, or meal supplement at any time of day. No preparation required. Store at room temperature — does not require refrigeration. Best consumed at room temperature or slightly chilled. For enhanced texture experience, try refrigerating for 30 minutes before eating — the coating firms up and the filling becomes more distinct. Contains Milk, Almonds, and Soy. Not for individuals with severe allergies to these ingredients. Processed in a facility that also processes Peanuts, Wheat, and other Tree Nuts. Consult a physician before use if pregnant, nursing, or under physician care for any medical condition.†

Why Buy at Get Yok'd

• Real-time inventory across all five Southern California stores
• Available in Burbank, Glendale, Glendale Galleria, Pasadena, and North Hollywood
• Authorized Quest Nutrition retailer — carrying the full Quest lineup including Quest Bars, Quest Dipped, Quest Crispy, and Quest Stacks
• All three Quest Stacks flavors available — ask staff for current in-store availability
• One of the best loyalty programs in the supplement industry — earn rewards on every purchase

†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.