Milk and dairy products are staples in diets around the world, yet a large share of adults have difficulty digesting lactose, the natural sugar in milk. For these consumers, a glass of milk or a bowl of ice cream can cause bloating, gas and discomfort. Lactase offers a simple solution. This enzyme breaks down lactose into easily digestible sugars, making it possible to produce lactose-free dairy products and supplements that help people enjoy dairy without discomfort.

Lactase Market Size and Forecast

According to Polaris Market Research, the global lactase market was valued at USD 251.97 million in 2025. The market is expected to reach USD 283.65 million in 2026 and USD 414.27 million by 2034, growing at a CAGR of 5.70% from 2026 to 2034. Rising awareness of lactose intolerance and strong demand for lactose-free products are driving this growth.

How Lactase Works

The lactase enzyme breaks lactose down into two simpler sugars, glucose and galactose, which the body can absorb easily. People with lactose intolerance produce too little of this enzyme naturally. Dairy manufacturers add lactase during processing to create lactose-free milk, yogurt, cheese and ice cream. Consumers can also take lactase supplements in tablet, capsule or drop form before eating dairy. As an added benefit, breaking down lactose makes products taste naturally sweeter, allowing manufacturers to reduce added sugar.

Key Market Drivers

Rising Demand for Lactose-Free Products

Awareness of lactose intolerance has grown significantly, and lactose-free products have moved from specialty shelves into mainstream supermarkets. Many consumers without diagnosed intolerance also choose lactose-free dairy because they find it easier to digest. This growing demand directly increases the need for lactase enzymes in dairy processing.

Innovation in Dairy Products

Dairy manufacturers are developing products that are low in fat, low in sugar and high in protein to meet changing consumer preferences. Lactase helps create naturally sweeter products without added sugar, supporting healthier formulations. New lactase delivery formats and improved enzyme performance are also expanding applications.

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Clean-Label and Functional Food Trends

Consumers increasingly prefer simple, recognizable ingredients and products with functional health benefits. Enzyme-based processing aligns with clean-label trends because enzymes are natural processing aids. Lactase-treated products also fit the broader movement toward digestive wellness and gut-friendly foods.

Segment Insights

Polaris Market Research segments the lactase market by application, source and form. By application, food and beverages held the largest share at 44.6% in 2025. Dairy processing is the core use, including lactose-free milk, yogurt, cheese, ice cream and infant formula. Other applications include pharmaceutical products and dietary supplements, where lactase is sold directly to consumers to support digestion.

By source, lactase is produced from yeast, fungi and bacteria. Different sources offer enzymes with different temperature and pH profiles, making them suitable for different products. Yeast-derived lactase is commonly used in milk processing, while fungal lactase is often used in supplements. Bacteria-derived lactase is the fastest-growing source, with a projected CAGR of 6.9%, supported by advances in fermentation technology.

By form, the market includes dry and liquid lactase. Liquid lactase is widely used in industrial dairy processing, while dry forms are used in supplements and some food applications. The dry segment is projected to grow at a CAGR of 6.2%, thanks to its stability, longer shelf life and ease of handling.

Regional Analysis

North America led the global lactase market with a 37.9% revenue share in 2025. High consumer awareness, a well-developed dairy industry and a wide range of lactose-free products in retail stores support the region's leadership. Europe is also a major market, with strong dairy traditions and growing demand for lactose-free options. Asia Pacific is projected to grow at a CAGR of 6.4%, driven by high rates of lactose intolerance in the region and rising dairy consumption as diets change and incomes grow.

Regulatory Considerations

Lactase used in food processing must meet food safety standards and regulatory requirements in each market. Suppliers must demonstrate safety, purity and consistent performance, and enzymes produced by fermentation must comply with relevant approvals. Meeting these standards is essential for entering global markets.

Competitive Landscape

Key players covered in the Polaris Market Research report include Advanced Enzyme Technologies, Amano Enzyme Inc., IFF, Kerry Group plc, Novonesis and Novact Corporation. These companies are investing in enzyme research, fermentation capacity and application support to help dairy and supplement manufacturers develop new products.

Future Outlook

The lactase market is closely tied to the global growth of lactose-free and digestive-friendly foods. As awareness of lactose intolerance spreads and dairy manufacturers continue to innovate, demand for high-quality lactase enzymes will keep rising. With the market projected to reach USD 414.27 million by 2034, enzyme producers that offer efficient, versatile and clean-label solutions are well positioned to grow.

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