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Brewer’s Spent Grain Market Driving Growth at 6.18% CAGR | Global Forecast 2025-2035

The global Brewer’s Spent Grain Market is projected to grow at a CAGR of 6.18% from 2025 to 2035, driven by sustainability trends, animal feed demand, biofuel applications, and growing beer production. With rising awareness of waste valorization and eco-friendly practices, the market offers substantial opportunities for breweries, feed manufacturers, and bio-product companies.
Published 28 November 2025

The global Brewer’s Spent Grain (BSG) Market is witnessing robust growth, fueled by rising awareness of sustainable practices and the growing demand for alternative uses of brewing by-products. According to MRFR (Market Research Future), the market was valued at USD 3.939 Billion in 2024 and is projected to reach USD 7.619 Billion by 2035, growing at a compound annual growth rate (CAGR) of 6.18% during the forecast period 2025-2035.

Brewer’s spent grain is the primary by-product of the brewing industry, consisting of residual barley, wheat, and other grains after the extraction of wort during beer production. Traditionally considered waste, BSG is now widely used in animal feed, food additives, and biofuel production due to its high protein and fiber content.

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Key Driving Factors for Market Growth

  • Sustainable Animal Feed Demand: BSG is increasingly used as a high-protein feed ingredient for livestock, poultry, and aquaculture.
  • Growing Biofuel Production: The rising need for renewable energy sources has encouraged the use of BSG in bioethanol and biogas production.
  • Food Industry Applications: BSG is utilized in bakery products, snacks, and protein-rich food formulations, promoting waste-to-value initiatives.
  • Expansion of the Brewing Industry: Increasing beer production globally leads to higher availability of spent grain, creating a consistent supply for downstream applications.
  • Circular Economy & Sustainability Trends: Breweries are adopting eco-friendly practices by converting waste into valuable resources, reducing disposal costs.
  • Technological Advancements: Innovations in drying, fermentation, and processing enhance the usability and shelf-life of BSG for various applications.

Market Segmentation

The Brewer’s Spent Grain Market can be segmented by Application, Form, and Region:

  • By Application:
  • Animal Feed
  • Food & Beverages
  • Biofuel & Bioproducts
  • Pharmaceuticals & Others
  • By Form:
  • Wet Brewer’s Spent Grain
  • Dry Brewer’s Spent Grain
  • By Region:
  • North America
  • Europe
  • Asia-Pacific
  • Rest of the World (RoW)

Among these, animal feed dominates the market due to BSG’s high nutritional content and cost-effectiveness as a feed supplement.

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Regional Insights

  • North America: High adoption of sustainable livestock feed and a strong brewing industry drive market growth.
  • Europe: Well-established breweries and government initiatives promoting circular economy practices boost the market.
  • Asia-Pacific: Rapid growth of the beer industry, livestock farming, and biofuel production contributes to market expansion.
  • Rest of the World (RoW): Emerging markets in Latin America and the Middle East are increasingly using BSG for animal feed and energy applications.

Emerging Trends & Opportunities

  • Protein-Enriched Products: Use of BSG in protein bars, snacks, and bakery products for health-conscious consumers.
  • Biodegradable Materials & Packaging: BSG is being explored for sustainable packaging solutions and bioplastics.
  • E-commerce & Direct Supply Models: Breweries and feed manufacturers are leveraging online platforms to supply BSG efficiently.
  • Collaborations & Partnerships: Breweries are partnering with feed, biofuel, and food manufacturers to create value-added products.

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Challenges

  • High moisture content in wet BSG requires rapid processing and storage, which may increase operational costs.
  • Regulatory compliance and quality standardization can pose challenges for food and feed applications.
  • Transportation and logistics of bulky spent grain may limit market penetration in certain regions.

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