How Big is the Casein Protein Market | Consumer Shifts and Global Impact 2025

Q: How big is the casein protein market?

The casein protein market was estimated at USD 3.9 billion in 2024 and is projected to reach USD 7.8 billion by 2031.

Q: What is the growth rate of the casein protein market?

The casein protein market is projected to grow at a CAGR of 7.5% from 2025 to 2031.

Q: What are the main drivers for the market?

Main drivers include the rising focus on fitness nutrition, demand for slow-digesting proteins, and growing use in clinical and functional foods.

Q: Who are the leading players in the casein protein industry?

Major players include Friesland Campina, Arla Foods Ingredients, Fonterra, Glanbia, and Kerry Group.

Q: How does 6W market outlook report help businesses in making decisions?

6W monitors the market across 60+ countries Globally, publishing an annual market outlook report that analyses trends, key drivers, Size, Volume, Revenue, opportunities, and market segments. This report offers comprehensive insights, helping businesses understand market dynamics and make informed decisions.

Q: Do you also provide customisation in the market study?

Yes, we provide customisation as per your requirements. To learn more, feel free to contact us on sales@6wresearch.com

Code: MTA5740

Publication Date: Jul 2025

What is the size of Casein protein market?

According to 6Wresearch internal database and industry research, the Casein Protein Market was estimated at USD 3.9 billion in 2024 and is projected to reach USD 7.8 billion by 2031, growing at a CAGR of 7.5% during the forecast period 2025–2031.

Due to growing focus on sports nutrition, functional foods, and high-protein diets is fuelling demand for casein protein across various regions. Its slow-digesting nature and sustained amino acid release make it popular among athletes, fitness enthusiasts, and in clinical nutrition, the market is predicted for the strong growth in the coming years.

Key Growth Drivers of the Casein Protein Market

Rising demand for high-quality animal-based protein supplements
Growing awareness around muscle recovery and fitness nutrition
Expanding use in functional foods and meal replacement products
Increasing applications in paediatric and geriatric nutrition
R&D investments into flavoured, micronutrient-fortified casein products

Casein Protein Market Trends

The casein market is shaped by the notable trends such as the rising popularity of personalized nutrition and clean-label protein products. Now, the consumers are increasingly seeking dairy proteins with functional health benefits, such as slow digestion, satiety, and muscle repair. Also, the product innovation is trending toward organic and grass-fed casein sources, as well as convenient formats like RTD beverages and protein bars. Hybrid blends that combine casein with plant proteins are also gaining attention.

Emerging Developments in the Casein Protein Market

Emerging developments are occurring in the casein protein market which include the launching micellar and hydrolysed casein for enhanced absorption and taste. With the time, the clinical studies are validating benefits in immune support and metabolic health. At the other side, the casein is being incorporated into ready-to-drink and clean-label functional beverages. Further, the sustainable dairy sourcing and animal welfare certifications are gaining value.