US Protein Supplements Market

US Protein Supplements Market Size

The US protein supplements market size was valued at USD 19.23 billion in 2025, is estimated to reach USD 20.63 billion in 2026, and is projected to reach USD 36.25 billion by 2034, growing at a CAGR of 7.30%.

US Protein Supplements Market is expected to be driven by increased consciousness of well-being and concern of living an active way of life. In addition, growing concerns over chronic non-communicable diseases like cancer, cardiac disorders or diabetes have forced consumers to adopt healthier, nutrient-rich diets.In the coming years, this will lead to a growing demand for protein supplements. The country's market for alternatives to whey and casein products will be driven by increasing cases of gluten allergies and lactose intolerance in the world. As a result, soy and pea-based plant nutritional supplements are projected to grow the fastest. The advent of new products, such as a protein with a wide variety of amino acids and targeted functions like energy balance, weight loss, and muscle recovery, is expected in the coming years to fuel market growth. The rising demand for products by women is also likely to contribute to consumer growth because of the growing popularity of the slim trend. Furthermore, the increasing geriatric population is expected to boost the demand for the product further.

The increased adoption of preventive personal health care through individual ownership of self-medicine and wellness is also expected to drive US Protein Supplements market development as medical services are highly certified, and public health systems are increasingly concerned. Consumer awareness of the benefits of a healthy diet will contribute further to the Global Protein Supplements market growth. The industry has been extremely aggressive about organizations carrying out activities, including M&A, capital expansion and strategic alliances with established provincial companies. Founded companies are focusing on increasing their productivity and market share by innovating technology.

REPORT COVERAGE

SEGMENTAL ANALYSIS

By Product Insights

The most popular product segment was powder, and its dominance is expected to remain over the forecast period. The market for powdered goods is expected to increase online sales and mass distribution networks through various businesses, including Glanbia, NBTY and IOVATE. During the estimated period, protein bars will also be expected to show significant growth. The demand for bars is projected to drive the consumer preference for tasty snacks and the increasing popularity of the on-the-go. Also, the market is expected to boost the segment's growth in products that contribute to weight loss, fat loss and the promotion of lean muscles.

By Raw Material Insights

The US market can be divided into whey, casein, pea, soy and more on the basis of raw material. The predominance of wheat protein was in the past due to its superior properties, such as high muscle-tissue absorption rates, capacity to promote fat loss, mild muscle development, good metabolization and cardiovascular support. The whey is the byproduct produced by curdling and straining of milk for cheese or casein manufacture.

Whey products include lactalbumin, lactoglobulin, serum albumin, immunoglobulin, and protease peptones. Produces contain different compounds. It is available in various types, such as concentrate, isolates and hydrolysates. This performs different functions, including regeneration and muscle building and rehabilitation from hard workouts. Soy protein is derived from soybeans, one of the very few sources of plants that have a full package of nutrients comprising all nine essential amino acids. Soy products, including concentrate and isolates, are available in various forms.

The former becomes more prominent as a vegetarian nutrient source; it has different compounds like glutamine, arginine and BCAA to help muscle rehabilitation and faster absorption.

By Source Insights

The primary origin in the past has been animal-based protein. It includes whey, casein, egg, beef, poultry and fish protein, and consists of milky and meat proteins. Pet foods have all the essential amino acids and are total solutions. The most consumed animal products were milk and egg product types.

Moreover, there are various nutrients, including vitamin B12, vitamin D, docosahexaenoic acid (DHA), hemiron and zinc, making it the preferred source of nutrients. The segments' growth will, however, be hindered by health problems related to animal sources such as CVDs. Some cancer types, kidney failure, autism, premature puberty and women's infertility.

Plant-based products are predicted to be the fastest-growing on a CAGR of 6.5 percent over the forecast period because of rising market demand. Such products come from diverse sources such as soy, corn, hemp, wheat, quinoa, canola, pumpkin, squash, flax, and oat. The commodity is also available from various sources. Some of these products do, however, lack some essential amino acids and are thus often mixed. However, different health advantages such as the reduced risk of heart and type 2 diabetes, together with protection against weight gain, are expected to raise the market for protein from plants.

By Application Insights

The dominant application segment was sports nutrition and in 2016 accounted for around 78.2 percent of the US market revenues. The section is expected to drive by increasing demand for sport nutritional supplements from heart, strength and stamina athletes, weekend warriors, fitness enthusiasts, and professional athletes. In addition, the need for sport nutritional additives is expected to encourage lean muscle development, improve strength and increase weight loss in conjunction with an increasing number of gym-goers.

KEY MARKET PLAYERS

• Glanbia PLC
• Nature's Bounty Co
• Iovate Health Sciences International, Inc
• NOW Foods
• CytoSports, Inc

MARKET SEGMENTATION

This research report on the U.S. protein supplements market is segmented and sub-segmented into the following categories.

By Product

• Ready-to-Drink

• Powder

• Bars

By Raw Material

• Whey

• Casein

• Soy

• Pea

By Source

• Animal

• Plant

By Application

• Sports Nutrition

• Functional Foods

By Country

• California
• Washington
• Oregon
• New York
• Rest of the United States