Why Is Protein So Expensive Now?
on October 07, 2026

Why Is Protein So Expensive Now?

The Short Answer

Protein powder costs more because the world now wants far more whey than dairy factories can make. If your usual tub has jumped in price, you're not imagining it, and it isn't just your brand.

Three things got us here, one after another: bad weather that cut milk supply around the end of COVID, the rise of GLP-1 medications like Ozempic, and food companies adding protein to just about everything.

The numbers are hard to believe. In mid-2023 the main ingredient in most tubs, 80% whey protein concentrate (WPC80), traded at about US$2.50 a pound. By August 2026 it was US$13.50, a rise of 440% in three years (Food Business News). In Europe it more than doubled in nine months, from €12,500 a tonne in October 2025 to €27,500 in July 2026 (FoodNavigator).

You've seen it at the checkout too. Australian bulk suppliers have announced rises of $5 to $10 a kilo in a single step, one in December 2025 and another in May 2026.

So how did we get here? Let's go back to the start.

It Started With the Weather

The first price shock had nothing to do with gyms. Around the end of COVID, the big dairy exporters all had rough seasons at the same time, and less milk means less whey.

  • Australia. A third La Niña in a row brought flash floods and extreme temperatures. Milk production for the 2021–22 season fell 3.9% to 8.5 billion litres, and June 2022 alone was down 9.2% (Farmers Weekly).
  • New Zealand. Spring 2021 was short on sunshine and warmth (Seedstock Central), then 2022 brought record rainfall. Fonterra's 2021–22 milk collections finished 4% down on the year before (DairyReporter).
  • Europe. A prolonged drought in 2022 cut feed supplies, and the USDA expected EU milk output to drop by nearly 2% (ZMP).

On top of the weather, farmers were dealing with rising input costs, labour shortages and supply chain disruptions left over from the pandemic (Rabobank, via Seedstock Central). Global dairy prices started climbing in mid-2020 and hit record highs in early 2022 (Bord Bia). Whey followed, with WPC80 peaking around the middle of 2022.

Here's the part most people forget: prices then fell. By February 2023 WPC80 had halved from that peak to US$2.75 a pound, as the cost-of-living squeeze hit demand and milk supply recovered overseas (Mintec). If the story ended there, protein would be cheap again.

It didn't end there, and Australia's milk never really came back. Production is forecast at 8.05 billion litres for 2025–26, with drought and feed shortages in the south-east still biting (Rabobank). So when the next wave of demand arrived, there was less local supply to meet it.

Then Came the GLP-1s

GLP-1 medications such as Ozempic, Wegovy and Mounjaro created a huge new group of protein buyers in a very short time. Many of them had never set foot in a supplement store.

The growth has been enormous. In the US, 11% of adults now take a GLP-1, up from 3% in 2024 (Gallup, via DairyReporter). In Australia, regular users went from about 58,000 in May 2020 to 500,000 by April 2025. That count leaves out Wegovy and Saxenda, so the real figure is higher (UNSW).

Why does that matter for protein? Two reasons.

  • Smaller appetites. People on these medications eat much less, so what they do eat has to carry more nutrition. As one protein market analyst put it, "every meal or snack has to work harder nutritionally" (DairyReporter).
  • Muscle loss. A meaningful share of the weight lost on GLP-1s is lean tissue. A 2025 joint advisory from four US nutrition and obesity societies recommends 1.2–1.6g of protein per kg a day during active weight loss, and notes that shakes, bars and fortified products can help people get there (Obesity, 2025).

A shake is one of the easiest ways to get protein in when you're not hungry, so whey was the obvious winner. The same advisory also says protein alone isn't enough without resistance training, which is the same advice we gave in Part 1 of our weight loss guide.

The market felt it quickly. US WPC80 went from US$5.25 a pound in late August 2025 to US$13.25 by early August 2026 (DairyReporter). "There simply isn't enough product for the U.S. customer," one dairy analyst told Fortune.

GLP-1s aren't the whole story, though. People in the whey trade describe them as something that sped up a rise already under way (Food Business News). Which brings us to the third cause.

High-Protein Everything

Protein has moved out of the supplement aisle and into the whole supermarket. Protein yoghurt, protein milk, protein cereal, protein bread, protein ice cream. Every one of those products needs its protein from somewhere, and for a lot of them that means whey.

  • The average US supermarket now stocks 38,708 products that advertise their protein content (NielsenIQ, via Fortune).
  • 44% of Americans surveyed in 2025 wanted to eat more protein, up from 34% a year earlier (Bain & Company, via NBC).
  • General Mills sold more than US$100 million of protein cereals in fiscal 2024 alone (NBC). Starbucks now does a protein cold foam and Dunkin' a protein milk (NutraIngredients).
  • Here in Australia, high-protein milk sales have grown by an average of 8.7% a year for five years (Euromonitor).

Social media has poured fuel on it. "Proteinmaxxing" is now a thing (FoodNavigator).

As one US dairy trader put it, "Whey protein is not something you just see at GNC or in the sports nutrition aisle now" (Food Business News). That's the real change. Supplement brands are now bidding against some of the biggest food companies in the world for the same ingredient.

The squeeze is reaching well beyond protein shakes. Lower-value uses like calf milk replacer have been priced out of the market (Food Business News), and analysts are watching what it does to the cost of infant formula (FoodNavigator).

Why Supply Can't Just Catch Up

Nobody milks a cow for whey. Whey is what's left over when you make cheese, so the only way to get more of it is to make more cheese.

  • It's a by-product. Every pound of cheese leaves nine pounds of liquid whey behind (USDA, via Fortune). The cheese market grows at 4–5% a year, and whey demand is growing faster than that (NutraIngredients).
  • It needs specialised equipment. Liquid whey has to be filtered and dried to become WPC80 or WPI, and there aren't enough plants that can do it. In the words of Rabobank's senior dairy specialist, "Processing capacity for these products is currently limited" (FoodNavigator).
  • New plants are slow. It typically takes two to three years before a new facility is fully up and running (DCA Market Intelligence, via DairyReporter).

Help is on the way. More than US$11 billion is going into 53 new or expanded dairy factories due to open by 2028 (Vesper), including a Glanbia plant in New Mexico due in 2027 (Fortune).

So will prices come back down? Probably a little, and not quickly. There are early signs of cooling, with US WPC80 slipping from US$13.25 to US$12.25 a pound during August 2026 (DairyReporter). But don't expect 2023 prices again. One industry consultant told NutraIngredients that "prices will not go anywhere close to where they've been previously".

Getting More Protein for Your Dollar

You can't control the whey market, but you can control what you pay per gram of protein. Here's what helps:

  • Compare cost per gram of protein, not price per tub. Divide the price by the total grams of protein in the bag. A $70 kilo with 24g of protein per 30g serve holds about 800g of protein, so you're paying roughly 9c a gram. Run the same sum on a tin of tuna or a kilo of chicken breast and see how they stack up.
  • Don't pay for isolate unless you need it. WPI has a bit more protein and less lactose per serve. If regular WPC sits fine with you, it does the same job for less.
  • Read the nutrition panel. With whey this expensive, brands are adjusting pack sizes and experimenting with blends (NutraIngredients). Check the protein per 100g and the bag weight so you're comparing like with like.
  • Buy bigger, less often. Larger bags usually cost less per kilo, and powder keeps well if you seal it and store it somewhere cool and dry.
  • Use powder to fill the gap, not as the base. Work out your daily target (1.6–2.2g per kg of bodyweight, as covered in Part 1), get most of it from your meals, and use a shake for whatever's left.

Cheap whey isn't coming back any time soon. Buy smart, hit your target, and don't let the price of a tub be the reason you fall short on protein.

This is general information, not medical advice. If you're taking a GLP-1 medication, talk to your doctor or dietitian about your protein needs.

Checkout our Whey Protein Concentrate here!

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