Skip to content

What is Subway Hero Bread made of? An In-Depth Look at the Low-Carb Ingredients

4 min read

Developed in partnership with food tech company Hero Labs, a 6-inch Subway Hero Bread roll contains significantly less net carbohydrates compared to traditional bread. Many customers want to know: what is Subway Hero Bread made of to achieve these impressive health benefits?

Quick Summary

Hero Bread is a low-net-carb, high-fiber, and high-protein bread alternative made primarily from resistant wheat starch, wheat protein, and milled flaxseed. It was introduced at select Subway locations as a healthier option for sandwiches.

Key Points

  • Primary Ingredients: Hero Bread's low net carb count is achieved by replacing regular flour with resistant wheat starch, wheat protein, and milled flaxseed.

  • Low Net Carbs: A 6-inch Subway Hero Bread roll contains only 1 gram of net carbohydrates, a significant reduction from standard bread.

  • High in Fiber and Protein: In addition to low net carbs, Hero Bread is high in fiber (26g) and protein (12g), which promotes satiety.

  • Mimics Traditional Bread: Reviews indicate Hero Bread has the look, taste, and texture of regular bread, overcoming the typical pitfalls of low-carb alternatives.

  • Health Benefits: Resistant wheat starch acts as a prebiotic fiber, supporting gut health and assisting in blood sugar management.

  • Initial Subway Test: The bread was originally featured in a successful test run at select Subway locations, showcasing the potential for healthier fast-food options.

In This Article

The Science of Hero Bread: How It Achieves Low Net Carbs

Hero Bread, created by the food tech company Hero Labs, first gained public attention through a test rollout at select Subway restaurants, offering a sandwich roll with a fraction of the net carbs of standard bread options. The innovation lies in its unique formulation, which replaces much of the conventional flour with specialized ingredients designed to mimic the taste and texture of regular bread while delivering enhanced nutritional benefits. The key to its low-net-carb count is the use of resistant starch, a form of carbohydrate that the body cannot digest.

By leveraging this and other high-fiber components, Hero Bread provides the satisfaction of eating a traditional sandwich without the substantial carb load. This makes it a popular choice for those following keto, low-carb, or weight management diets. The success of the Subway trial led Hero Labs to expand its product line, making it available to a wider audience through its website and in grocery stores, highlighting the consumer demand for healthier, yet equally satisfying, baked goods.

The Ingredient List: Deconstructing Hero Bread

Core Ingredients

Hero Bread's formulation stands apart from standard white bread. The primary components that give it its unique nutritional profile are:

  • Water: Essential for the dough's consistency and hydration, similar to any bread recipe.
  • Resistant Wheat Starch: This is the hero ingredient. As its name suggests, it resists digestion in the small intestine, acting as a prebiotic fiber. It passes to the large intestine where it feeds beneficial gut bacteria, contributing to gut health while not raising blood sugar levels like regular flour.
  • Wheat Protein: Added to provide the necessary structure and chewiness that comes from gluten in traditional bread, while also significantly boosting the overall protein content.
  • Milled Flaxseed: A nutritional powerhouse, this ingredient provides dietary fiber and heart-healthy omega-3 fatty acids.
  • Fava Bean Protein: This plant-based protein further increases the bread's protein content, contributing to a more satisfying and filling product.

The Supporting Ingredients

To achieve the right flavor, texture, and stability, Hero Bread includes several other ingredients:

  • Olive Oil or Canola Oil: Used as a source of fat, contributing to the bread's soft crumb and flavor. Different versions may use one or the other.
  • Yeast: The standard leavening agent that helps the bread rise and gives it its familiar airy texture.
  • Vinegar: Acts as a natural preservative and can affect the dough's texture and flavor.
  • Guar Gum: A binding agent and fiber source that helps create the desired texture and hold the bread together.
  • Enzymes: These are used to improve the dough's performance and the final product's quality.
  • Monk Fruit Extract: A natural sweetener used in some formulations to add a hint of sweetness without contributing to the sugar or carb count.
  • Ascorbic Acid (Vitamin C): A dough conditioner that strengthens the dough and aids in fermentation.
  • Cultured Wheat Flour: Another natural preservative.

Nutritional Comparison: Hero Bread vs. Typical Subway Bread

Comparing the nutritional profile of a 6-inch Hero Bread roll to a typical 6-inch white bread roll from Subway reveals the stark differences that appeal to dieters. This data is based on the initial product test at Subway and typical values for standard bread.

Feature 6" Hero Bread Roll 6" White Bread Roll (Approximate)
Calories 100 kcal 190 kcal
Protein 12g 8g
Fiber 26g 1g
Net Carbs 1g 38g
Sugar 0g 3g

Note: Nutritional information for regular Subway bread can vary based on formulation and location. The Hero Bread information is based on the specific roll tested at Subway.

The Role of Resistant Starch in Health

Resistant wheat starch is the cornerstone of Hero Bread's nutritional appeal. Unlike regular carbohydrates, which are quickly broken down into glucose and absorbed into the bloodstream, resistant starch remains undigested until it reaches the large intestine. Here, it undergoes fermentation by gut bacteria, producing short-chain fatty acids like butyrate, which is a major fuel source for the cells lining the colon.

This process has several health benefits:

  • Blood Sugar Management: By not being absorbed, resistant starch helps prevent the rapid spikes in blood glucose levels that follow the consumption of high-carb foods. This is particularly beneficial for individuals managing diabetes or those aiming to control their energy levels throughout the day.
  • Improved Digestion and Gut Health: As a prebiotic, resistant starch nourishes the good bacteria in the gut, promoting a healthy microbiome. A balanced gut flora is linked to improved digestion and overall well-being.
  • Increased Satiety: High fiber intake from resistant starch can increase feelings of fullness and reduce overall calorie intake, which supports weight management efforts. The fermentation process in the gut also produces gas and other compounds that can signal satiety to the brain.

Conclusion: A New Chapter for Sandwich Lovers

Hero Bread represents a significant advancement in food technology, offering a solution for those who love bread but want to reduce their carbohydrate intake. By using innovative ingredients like resistant wheat starch, wheat protein, and various plant-based components, Hero Labs successfully engineered a product that delivers the taste and texture of traditional bread while providing substantial nutritional benefits. The result is a satisfying, low-net-carb, high-fiber, and high-protein alternative that proves you don't have to sacrifice flavor for health. While its long-term availability at Subway may vary, the brand's success signals a growing market for healthier baked goods that taste great.

Visit the official Hero Bread website for more information on their products.

Frequently Asked Questions

The primary ingredient responsible for Hero Bread's low net carb count is resistant wheat starch. Unlike regular starch, it is not digested by the body and acts as a prebiotic fiber.

Hero Bread was initially offered as a test at select Subway locations. While it may have been available in certain markets, national availability at Subway has not been confirmed, and some reports suggest it might have been discontinued by Subway.

Net carbs are calculated by subtracting fiber and other indigestible carbohydrates from the total carbohydrate count. Hero Bread's formula is high in fiber and resistant starch, resulting in a very low net carb value.

With only 1g of net carbs per 6-inch roll, Hero Bread is often considered a suitable option for those on a keto or other low-carb diet. However, individuals should always check ingredients and monitor their specific dietary goals.

Many customer reviews praise Hero Bread for its ability to mimic the taste and texture of traditional bread, noting that it avoids the rubbery or bland qualities often found in other low-carb bread products.

A 6-inch Hero Bread roll contains 0 grams of sugar, making it an appealing option for those looking to reduce their sugar intake.

No, Hero Bread is not gluten-free. It contains wheat protein and cultured wheat flour as part of its ingredients.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.