Every major food and beverage production process generates byproduct streams. Brewing produces spent grain — 85% of the mass input of the barley used in beer production exits the process as wet distillers grain, rich in fiber and residual protein. Fruit juice pressing leaves behind seed, skin, and pomace — concentrated in polyphenols and fiber. Whey processing generates whey permeate — a lactose and mineral-rich stream that was historically a disposal challenge. Tofu production generates okara — high-protein soy pulp that most manufacturers pay to have removed.
For most of the 20th century, these streams were animal feed, compost, or landfill. A growing category of ingredient companies and food brands is realizing that they are, more accurately, undervalued inputs — concentrated sources of functional nutrition that can be rescued, refined, and incorporated into food products at meaningful cost and environmental advantage.
What "Upcycled" Actually Means (and What It Doesn't)
The term "upcycled" in food has been used loosely enough to attract FTC attention. The Upcycled Food Association (UFA) developed the Upcycled Certified™ standard to provide verifiable third-party validation:
"Upcycled ingredients and products use ingredients that otherwise would not have gone to human consumption, are procured and produced using verifiable supply chains, and have a positive impact on the environment."
The three-part test:
- Would otherwise not go to human consumption — it is a genuine byproduct or surplus stream, not a co-product that was already commercialized
- Verifiable supply chain — the origin and chain of custody can be documented and audited
- Positive environmental impact — diverting the stream from disposal (landfill, incineration, composting) to food use represents a genuine environmental benefit
What "upcycled" is not: using a secondary grade of a primary product (e.g., "ugly" produce that was always intended for food use), co-products that are already fully commercialized (e.g., whey protein isolate from cheese — whey has been a primary product for decades), or any ingredient for which the sustainability improvement cannot be documented.
The practical implication: If you want to use "upcycled" on your label or in marketing, the ingredient needs to be Upcycled Certified™ or you need an equivalent independently verifiable documentation trail. The FTC's Green Guides apply — unsubstantiated sustainability claims are a compliance risk.
The Best Upcycled Ingredients Available Right Now
Spent Grain Protein and Fiber
Source: Brewing and distilling byproduct — the spent barley, wheat, or corn grain after mash extraction. Approximately 20 pounds of spent grain are produced per 10 gallons of beer brewed.
Functional profile: 15–25% protein (variable by source grain and extraction efficiency), 40–60% dietary fiber (beta-glucan, arabinoxylan, cellulose), reasonable essential amino acid profile.
Applications: Protein-fortified baked goods, high-fiber crackers, nutrition bars, extruded snacks.
Formulation notes: Spent grain flour has a coarser particle distribution than conventional wheat flour and can contribute a slightly astringent or "toasted grain" note at high inclusion levels. Best used at 10–20% substitution in baked formulas. Enzymatic processing (protease + cellulase treatment) of spent grain creates a more functional protein concentrate with improved solubility and reduced fiber bulk.
Key suppliers: ReGrained (Upcycled Certified™), Grain4Grain, Circular Food Supply.
Fruit Pomace (Apple, Grape, Citrus)
Source: Juice pressing and wine production — the compressed skins, seeds, and pulp after juice or wine extraction.
Functional profile:
- Apple pomace: 12–15% fiber (pectin-rich), moderate polyphenol content, 5–8% protein. Apple pomace pectin is functional as a gelling agent and emulsifier.
- Grape pomace: Very high polyphenol content (OPC, resveratrol precursors, anthocyanins), 3–5% protein, significant seed oil fraction.
- Citrus pomace: High pectin content, flavonoid-rich (hesperidin, naringenin), high dietary fiber.
Applications: Fiber enrichment of beverages and food products, polyphenol-rich "superfoods" positioning, natural colorants (grape pomace), pectin replacement.
Formulation notes: Pomace powders have strong flavor carry-over from the source fruit — apple pomace has a mild pleasant note, grape pomace (especially red) can carry tannic astringency. Use flavor-pairing logic: apple pomace works in fall-forward flavor profiles; grape pomace pairs with berry, chocolate, and dark fruit systems.
Aquafaba and Legume Process Water
Source: The cooking liquid from chickpeas, white beans, and other legumes — a byproduct of canned legume production that is typically discarded.
Functional profile: Dissolved saponins, soluble proteins, and starch fragments that create foam-forming and emulsifying functionality comparable to egg white in specific applications.
Applications: Egg white replacement in meringues, marshmallows, salad dressings, plant-based egg foams.
Formulation notes: Aquafaba's functional properties are highly variable depending on legume variety, cooking conditions, and concentration. Standardized aquafaba concentrates from ingredient suppliers outperform homemade aquafaba by a significant margin for consistent industrial application.
Whey Permeate
Source: The residual liquid stream after whey protein is removed from cheese whey. Contains lactose, minerals, and water-soluble vitamins.
Functional profile: 80–85% lactose, significant calcium, potassium, and magnesium content. Not a protein source, but a meaningful mineral fortification vehicle in dairy-adjacent applications.
Applications: Sports hydration (electrolyte applications), dairy-based beverage systems, fermentation substrate for postbiotic production.
Formulation notes: Carries mild dairy flavor; can contribute slight sweetness (from lactose). Not suitable for lactose-intolerant positioning.
The Cost Case: Real but Nuanced
Upcycled ingredients are often significantly cheaper than their virgin alternatives — but the economic case requires careful evaluation:
The nuance: byproduct streams are, by definition, dependent on the primary production process that generates them. A drought affecting apple orchards in the Pacific Northwest affects apple pomace supply. A shift in brewing trends affects spent grain volume and character. Supply consistency and long-term availability require stronger supplier relationships and more active sourcing management than conventional commodity ingredients.
Labeling and Marketing the Upcycled Story
The Upcycled Certified™ mark can appear on product labels when both the ingredient and the product have been certified through the UFA's certification program. This is the cleanest and most defensible way to use "upcycled" front-of-pack.
For brands using upcycled ingredients without full certification, the label declaration approach:
- Name the ingredient clearly and accurately in the ingredient list
- In marketing copy, describe the supply chain story without using "upcycled" as a noun: "made with apple fiber from pressed apples," "uses brewer's grain from local craft breweries"
- Avoid the term "upcycled" in marketing without documentation to support it
Consumer messaging research consistently shows that upcycled claims outperform generic "sustainable" claims in purchase intent among the premium consumer segment — but only when the concept is explained in one sentence. "Made with grape skins that would otherwise be discarded after wine production" converts more effectively than "upcycled grape pomace" alone. The story is the sell.
Key Takeaways
- Upcycled Certified™ is the only defensible third-party verification for "upcycled" claims on food labels. Without it, greenwashing risk is real.
- Many upcycled ingredients have genuine functional advantages — not just sustainability stories. Evaluate on functional merit first, sustainability positioning second.
- Supply chain management is more demanding than for conventional commodity ingredients. Build supplier relationships before building product formulas.
- One sentence sells the story. "Made with [ingredient] rescued from [process]" works. Generic "upcycled" without context does not.
Building a Product With Upcycled Ingredients?
Whether you're starting with a sustainability brief or a cost reduction mandate, we help brands identify the right upcycled ingredients for their formula, validate functional performance, and build the supply chain documentation for certification.
"The spent grain protein we ended up using outperformed our original specification on fiber content and cost. The sustainability story was the bonus."
— Founder, Functional Grain Brand