Why proteinmaxxing by adults could mean higher prices for baby formula
The protein craze could have another knock-on effect, besides empty shelves where the cottage cheese used to be. Experts warn that “proteinmaxxing” — in which people try to pack as much protein into their diets as possible — may lead to price hikes in infant formula.
Whey protein, a byproduct of cheesemaking, is being added to everything, from sports beverages to chocolate bars, but it’s also used to make infant formula. Consumers could pay more as formula manufacturers contend with higher ingredient costs, industry experts told the Guardian .
According to Statistics Canada ‘s most recent data for June, the average monthly retail price for infant formula has increased by 11 per cent over the past two years — up from $44.98 per 900 grams in 2024 to $49.94 in 2026.
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From Tims’ bagels packing 20 grams of the stuff to TikToks so enticing they’ve triggered shortages in the dairy aisle, North America’s protein obsession is going strong. Adding to the growing appetite, as the number of people taking GLP-1 drugs rises, so does demand for high-protein foods. The nutrient helps maintain muscle mass, which is especially important during weight loss.
The global whey protein market was estimated at US$13.7 billion in 2026 and is expected to reach US$52 billion in the next decade, an annual growth rate of 14.2 per cent, according to Market Decipher .
Demand for whey protein has increased dramatically and so have prices, with no signs of slowing. According to Food Navigator , the price of whey protein concentrate (80 per cent protein) reportedly rose 120 per cent from October 2025 to July 2026, while whey protein isolate (90 per cent protein) increased 59 per cent and whey powder (roughly 12 per cent protein) increased 47 per cent.
“Whey is a major ingredient in infant formula, so significant increases in its price risk increasing the price of formula itself,” Dr. Vicky Sibson, the director of the U.K. public health non-profit First Steps Nutrition Trust, told the Guardian.
5News aggregated this summary from the outlet’s public feed. The full article, with all the context, is on nationalpost.com — the content belongs to National Post.
