Whey protein concentrate 80% prices have climbed from £4,302 to £23,751 per tonne between June 2023 and June 2026, while food-grade whey powder in north-west Europe reached a record €1,700 per tonne, up over 50% year-to-date. Some suppliers are already sold out for the remainder of 2026, and one manufacturer plans to halt WPC 34% production after the summer, with small businesses facing doubled ingredient costs on a quarter-by-quarter basis.