Last updated: 13-07-2026
Replacing Whey in Hybrid Foods: A Cost Control Strategy for Europe's Dairy and Meat Industry
In short: Whey protein concentrate costs have jumped roughly 50–110% since 2024, driven by dairy supply constraints rather than any single event, while plant proteins remain a fraction of the price on a protein-equivalent basis. For hybrid food formulators, whey's price volatility is now a cost-control argument for partial substitution, not just a sustainability one.
Why has whey become a cost problem rather than just a formulation choice?
Whey protein concentrate prices have risen sharply because whey is a by-product of cheese production, meaning supply is structurally tied to cheese output rather than to protein demand, and that supply cannot expand quickly even as demand from sports nutrition, functional foods, and dairy reformulation all compete for the same stream. USDA Dairy Market News has continued to describe the higher-protein whey market as firm, with limited supplies and elevated values persisting through mid-2026.
This structural constraint — not a temporary spike — is what makes whey substitution a genuine cost-control strategy rather than a one-off hedge against a passing price event.
What is the actual cost gap between whey and plant protein alternatives?
Plant proteins cost a fraction of whey on a protein-equivalent basis — low-end pea isolate runs around €6.50 per kilogram while whey concentrate sits between €13 and €15 — but no single replacement delivers all of whey's functions simultaneously. Independent cost-comparison analysis from ingredient processor PURIS confirms the wider pattern: pea protein pricing is more stable over multi-year forecasting horizons, while whey pricing continues to track volatile global dairy markets.
Why can't formulators simply swap whey for plant protein one-to-one?
Plant proteins have historically struggled to match whey's functional profile on a one-to-one basis — pea isolate is solubility-limited at neutral pH, faba protein can carry beany notes, and wheat gluten lacks the same nutritional density per gram. This is the formulator's dilemma, not a simple substitution. Christopher Busch, Head of R&D at Crespel & Deiters Group, works directly on closing this functional gap — translating raw plant protein isolates into ingredients that perform closer to whey's benchmark in real formulations.
The Plant-Based Opportunity report acknowledges this directly, allocating €25 million to fundamental research on plant protein functionality compared with casein micelles and whey proteins.
Where is partial whey substitution already commercially proven?
In yogurts and drinkable dairy, partial whey substitution with pea or faba concentrates is now commercially proven at industrial scale, while for hybrid cheeses — including blended mozzarella and processed cheese formats — the harder problem remains replicating whey's contribution to melt, stretch, and ripening behaviour. Jakob Skovgaard, Co-Founder and CEO of PlanetDairy, will address this directly at Hybrid Foods Europe 2026, with his session on the European hybrid dairy retailing outlook focusing on how hybrid cheeses, milks, and yogurts unlock margin and sustainability gains while maintaining consumer acceptance.
What role does regional faba bean processing play in closing the cost gap further?
Regional faba bean processing capacity, rather than imported plant protein supply, is what ultimately determines whether the cost advantage over whey holds up once logistics and currency exposure are factored in. Niels Hower, Member of Beneo's Executive Board, has overseen exactly this kind of investment — a €50 million dedicated faba bean processing facility in Obrigheim, Germany, built specifically to remove long-distance sourcing costs from plant protein ingredient pricing.
This matters for any formulator running a multi-year cost model: a lower per-kilogram plant protein price today is only durable if the supply chain behind it is regional and stable, not exposed to the same import volatility whey manufacturers are trying to escape.
How should formulators think about the whey substitution decision commercially?
The whey substitution decision should be modelled as a multi-year cost forecast, not a single-quarter price comparison, since whey pricing tracks volatile dairy commodity cycles while plant protein pricing has trended more stable as processing capacity has matured. For hybrid dairy products including cheese, yogurt, and protein-fortified beverages, pea protein isolate, faba bean protein, and oat protein currently lead as whey substitutes at commercial scale.
Comparison: whey versus leading plant protein substitutes
Dimension | Whey concentrate | Pea protein isolate | Faba bean protein |
Approx. cost per kg | €13–15 | ~€6.50 | Comparable to pea |
Price volatility | High, dairy-market linked | Lower, more stable | Lower, regional-sourcing dependent |
Solubility at neutral pH | Strong | Limited | Moderate |
Off-note risk | None | Low | Beany notes possible |
Melt/stretch performance (cheese) | Strong | Weak without functionalisation | Weak without functionalisation |
Best proven use case | All dairy formats | Yogurts, drinkable dairy | Yogurts, meat-adjacent blends |
Take-home messages
Commercial:
Whey concentrate costs have risen 50–110% since 2024, driven by structural cheese-byproduct supply constraints, not a temporary spike.
Pea isolate at ~€6.50/kg versus whey at €13–15/kg represents a genuine, multi-year cost-control opportunity for formulators.
Regional faba bean processing capacity, such as Beneo's €50 million Obrigheim facility, is what makes the plant protein cost advantage durable rather than exposed to its own import volatility.
The substitution decision should be modelled as a multi-year cost forecast, not a single-quarter price snapshot.
Technical:
Pea isolate is solubility-limited at neutral pH; faba protein can carry beany off-notes; neither matches whey's functional profile one-to-one.
Partial whey substitution is already commercially proven in yogurts and drinkable dairy at industrial scale.
Hybrid cheese formats remain the harder technical problem, specifically replicating whey's contribution to melt, stretch, and ripening.
The Plant-Based Opportunity report allocates €25 million specifically to plant protein functionality research versus casein and whey benchmarks.
Verdict & next step
Whey's price volatility has turned what used to be a purely sustainability-driven substitution argument into a straightforward cost-control one. The formulators who move first on pea and faba substitution in yogurts and drinkable dairy — while the harder cheese-format problem gets solved in parallel — will be the ones protecting margin through the next dairy price cycle, not reacting to it. Hybrid Foods Europe 2026 runs 14–16 September at Van der Valk Zuidas, Amsterdam, with dedicated sessions on hybrid dairy formulation and ingredient cost strategy. Register here.
About the author
Gerard Klein Essink is Founder & CEO of FoodConNext Foundation and a thought leader in plant protein, hybrid foods, and the protein transition. Over more than 20 years, he has built an international plant-based foods and proteins community, published numerous industry reports, authored innovation reports on proteins for the Dutch government, advised the Canadian government on its pulse strategy, and produced strategic outlook reports for Pulse Canada and the Australian Grains Research Development Council.
About FoodConNext Foundation
At FoodConNext Foundation, we believe that the future of food lies at the intersection of innovation, sustainability, and global collaboration. Our foundation is dedicated to accelerating the transition toward more resilient and responsible food systems by connecting key stakeholders across the agri-food ecosystem.