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Proteinmaxxing and GLP-1 use raise demand for whey, pushing up infant formula costs
Whey protein concentrate 80 rose from €11,733 per metric tonne in July 2025 to €25,875, while UK baby formula prices averaged 4.8% higher over the past year.
Whey protein, used to adjust infant formula’s protein ratio and make it easier to digest, is seeing surging demand as a dietary trend known as proteinmaxxing grows and as more people use GLP-1 weight loss medications, according to Guardian Business.
The outlet reports that concentrated whey protein is increasingly sought by GLP-1 users aiming to preserve muscle mass while losing weight, and that rising input costs could soon affect what families pay for formula. Expana, a global market intelligence platform, said whey protein concentrate 80, with 80% pure protein, cost €11,733 per metric tonne in July 2025 and is now at €25,875.
Guardian Business also cites UK Office for National Statistics data showing the average price of baby formula rose 4.8% over the past year, with a 750g box costing £12.11 versus £11.55 a year earlier.
Industry insiders warned that formula manufacturers may struggle to absorb the higher ingredient costs. The Guardian Business reports Sibson called the situation “hugely concerning,” and noted the CMA’s proposal for a mandatory price or profit cap, citing disclosed profit margins of between 50% and 75%.