United States Casein Market Report by Product Type (Rennet Casein, Acid Casein), End Use (Food and Beverages, Pharmaceuticals, Cosmetics, Industrial, and Others), and Region 2026-2034

United States Casein Market Report by Product Type (Rennet Casein, Acid Casein), End Use (Food and Beverages, Pharmaceuticals, Cosmetics, Industrial, and Others), and Region 2026-2034

Report Format: PDF+Excel | Report ID: SR112025A4941

United States Casein Market Size, Share & Growth

The United States casein market size reached 45.3 Thousand Tons in 2025. Looking Forward, IMARC Group expects the market to reach 59.9 Thousand Tons by 2034, exhibiting a growth rate CAGR of 3.14% during 2026-2034.

Report Attribute 
Key Statistics
Base Year
2025
Forecast Years
2026-2034
Historical Years
2020-2025
Market Size in 2025
45.3 Thousand Tons
Market Forecast in 2034
59.9 Thousand Tons
Market Growth Rate 2026-2034 3.14%


Casein refers to a protein found in the milk of mammals, such as cows, buffalo, sheep, yak and goats. It is commonly available in acid, rennet and caseinate variants. It contains essential amino acids, calcium, carbohydrates and phosphorus. Casein is a tasteless, amorphous and odorless white solid that forms a gel in the stomach to slow down the absorption and digestion rate. It aids in boosting muscle growth, increasing metabolic rate, improving digestion, delaying hunger and supporting muscle recovery. It finds extensive application across various industries, such as pharmaceuticals, cosmetics and food and beverage.

United States Casein Market Size

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The growth in the United States casein market can be attributed to its widespread utilization in the manufacturing of caseinate products. Casein is also utilized as a key ingredient in coffee whiteners, instant breakfasts, milk and nutritional beverages. The increasing health consciousness among consumers is also favoring the market growth. Casein is low in calories and contains essential nutrients required for the optimal growth of the body. The rising consumer demand for protein-rich food products, such as yogurt, cheese, milk, butter and ghee, is also providing a thrust to the market growth. Moreover, the widespread product adoption in the food and beverage industry is positively impacting the market growth. Casein is widely used in various processed food products, such as puffed snacks, formulated meat products, baby food, infant formula, whipped foods and sports nutrition products. Other factors, including the increasing preference for dietary supplements, are anticipated to drive the market toward growth across the country.

Key Market Segmentation:

IMARC Group provides an analysis of the key trends in each segment of the United States casein market report, along with forecasts at the country and regional levels from 2026-2034. Our report has categorized the market based on product type and end use.

Breakup by Product Type:

  • Rennet Casein
  • Acid Casein

Breakup by End Use:

United States Casein Market By End Use

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  • Food and Beverages
  • Pharmaceuticals
  • Cosmetics
  • Industrial
  • Others

Breakup by Region:

  • Northeast
  • Midwest
  • South
  • West

Competitive Landscape:

The competitive landscape of the industry has also been examined along with the profiles of the key players.

Report Coverage:

Report Features Details
Base Year of the Analysis 2025
Historical Period 2020-2025
Forecast Period 2026-2034
Units ‘000 Tons
Segment Coverage Product Type, End Use, Region
Region Covered Northeast, Midwest, South, West
Customization Scope 10% Free Customization
Post-Sale Analyst Support 10-12 Weeks
Delivery Format PDF and Excel through Email (We can also provide the editable version of the report in PPT/Word format on special request)

Key Questions Answered in This Report

The United States casein market reached a volume of 45.3 Thousand Tons in 2025.

We expect the United States casein market to exhibit a CAGR of 3.14% during 2026-2034.

The growing consumer awareness towards several health benefits of casein in enhancing muscle growth, increasing metabolic rate, improving digestion, etc., is currently driving the United States casein market.

The sudden outbreak of the COVID-19 pandemic has led to the shifting consumer preferences from conventional brick-and-mortar distribution channels towards online retail platforms for the purchase of casein-based products.

Based on the product type, the United States casein market has been segmented into rennet casein and acid casein. Currently, rennet casein represents the largest market share.

Based on the end use, the United States casein market can be bifurcated into food and beverages, pharmaceuticals, cosmetics, industrial, and others. Among these, the food and beverage sector currently accounts for the majority of the total market share.

On a regional level, the market has been classified into Northeast, Midwest, South, and West, where South currently dominates the United States casein market.

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United States Casein Market Report by Product Type (Rennet Casein, Acid Casein), End Use (Food and Beverages, Pharmaceuticals, Cosmetics, Industrial, and Others), and Region 2026-2034
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