Proteinmaxxing Trend Could Drive Up Infant Formula Prices 2026

Proteinmaxxing, the viral trend of maximizing protein intake, is now impacting infant formula prices as whey protein demand surges. Experts warn that this fitness-driven craze, combined with GLP-1 medication use, is driving up costs for a critical baby nutrition staple.

What Is Proteinmaxxing and Why It Matters

Proteinmaxxing refers to the practice of consuming as much protein as possible, often through shakes, bars, and concentrated supplements. This trend has gained massive popularity on social media and among fitness enthusiasts, but its ripple effects are now reaching the baby aisle.

Whey protein, a byproduct of cheese production, is a key ingredient in infant formula because it mimics the protein profile of human breast milk. As adults buy more whey protein, manufacturers face higher input costs, which are often passed down to consumers.

How GLP-1 Medications Amplify Demand

The rise of GLP-1 weight-loss drugs like Ozempic and Wegovy has further boosted whey protein consumption. These medications suppress appetite, leading users to seek protein-rich foods to preserve muscle mass. This increased demand has sent whey protein concentrate prices soaring.

Price Surge Data

According to Expana, a global market intelligence platform, whey protein concentrate 80 (with 80% pure protein) cost €11,733 per metric tonne in July 2025, but now stands at €25,875. That’s a staggering 120% increase in less than a year.

Impact on Infant Formula Prices

Infant formula manufacturers are struggling to absorb these higher ingredient costs. The Office for National Statistics reports that the average price of a 750g box of baby formula has already risen by 4.8% over the past year, from £11.55 to £12.11.

Dr Vicky Sibson, director of the First Steps Nutrition Trust, warns that this trend is “hugely concerning” because many families already find formula unaffordable. The Competition and Markets Authority has noted that manufacturers pass on input cost increases to consumers, as seen during the cost of living crisis.

Key Takeaways

• Proteinmaxxing is driving up whey protein demand, directly affecting infant formula costs.
• GLP-1 medications are a major factor in increased whey protein consumption.
• Whey protein concentrate prices have more than doubled in under a year.
• Infant formula prices have already risen, and further increases are likely.
• Parents may need to explore alternative feeding options or seek support programs.

What Parents Can Do

While the price outlook is challenging, parents can take steps to manage costs. Look for store-brand formulas, which are often nutritionally equivalent to name brands but cheaper. Also, check for government assistance programs or local food banks that provide formula support.

It’s also wise to compare prices across retailers and buy in bulk when discounts are available. However, never dilute formula to make it last longer, as this can harm your baby’s health.

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