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Dairy - Whey Protein Isolate: Market Size & Forecast 2026

The global Whey Protein Isolate (WPI) market sits at approximately USD 7.2 billion in 2025 (base year), held in a balanced but feedstock-anchored state: cheese-derived whey liquids flow from a structurally oversupplied EU and US cheese complex, while downstream demand tilts toward premium sports nutrition, clinical nutrition, and infant formula. Our base case tracks a 4.6% CAGR through 2032, reaching approximately USD 9.8 billion. > - 11 whey processors and fractionation specialists (Tier-1 and Tier-2)

Market size · 2025
$7.20bn
CAGR · 2025–2030
4.6%
Forecast · 2030
$9.02bn
Basis
Claight Analysis
Market size (USD)
Base year 2025
Official data · Claight AnalysisForecast
Market size and CAGR extracted from the published Claight report; figures match the report..
Forecast
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2025 base: $7.2bn2032 est: $9.9bn
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Market size and forecast are Claight Analysis, informed by public research and industry data. Historical years before 2025 and all forecast years are Claight estimates at the stated CAGR. Retrieved 2026.