Seaweed Protein Market Summary
The global seaweed protein market size was estimated at USD 536 million in 2024 and is projected to reach USD 976.46 million by 2030, growing at a CAGR of 10.5% from 2025 to 2030. The growth of the seaweed protein market is primarily driven by rising health consciousness and the increasing demand for plant-based proteins.
Key Market Trends & Insights
The North America seaweed protein market was estimated at USD 98 million in 2024.
The Asia Pacific seaweed protein market held the largest revenue share of 61.55% in 2024 and is expected to grow at a CAGR of 10.7% from 2025 to 2030.
Based on source, the red seaweed protein segment was the most dominant market category, with revenue exceeding USD 240 million in 2024.
Based on extraction process, the conventional seaweed protein extraction segment dominated the market, accounting for over 70% of the revenue share in 2024.
Based on application, the seaweed protein segment was extensively used in food applications, and its market size exceeded USD 300 million in 2024.
Market Size & Forecast
2024 Market Size: USD 536 Million
2030 Projected Market Size: USD 976.46 Million
CAGR (2025-2030): 10.5%
Asia Pacific: Largest market in 2024
As more consumers adopt vegan and vegetarian lifestyles, they actively seek nutritious and sustainable alternatives to animal-based proteins. Seaweed protein, which is derived from varieties such as kelp, nori, and wakame, is rich in essential amino acids, vitamins, and minerals, making it an appealing choice for those focused on health and wellness. Additionally, environmental and sustainability concerns are also major factors fueling the market’s expansion. Traditional livestock farming is associated with significant greenhouse gas emissions, land degradation, and water pollution
Source Insights
Red seaweed protein was the most dominant market category, with revenue exceeding USD 240 million in 2024. One of the primary drivers is the high protein content found in red seaweed, particularly in species like Porphyra (nori), which makes it an attractive alternative to traditional animal and soy-based proteins. Red seaweed proteins are rich in essential amino acids and possess unique pigments such as phycoerythrin and phycocyanin, contributing to their nutritional value and appeal in food formulations. This high nutritional profile and a distinctive umami flavor have spurred their adoption of various food products, including plant-based meat alternatives and functional foods.
Application Insights
Seaweed protein was extensively used in food applications, and its market size exceeded USD 300 million in 2024. There is a significant rise in health consciousness and a global shift toward plant-based diets, with many consumers seeking alternatives to animal-derived proteins. Due to its rich nutritional profile, seaweed protein is increasingly favored in food products. It contains essential amino acids, vitamins, minerals, and antioxidants, making it a beautiful ingredient for health-conscious individuals
Asia Pacific Seaweed Protein Market Trends
The Asia Pacific seaweed protein market held the largest revenue share of 61.55% in 2024 and is expected to grow at a CAGR of 10.7% from 2025 to 2030. Countries like China, Japan, and South Korea have a long history of consuming seaweed, and its use in food dates back centuries. This makes seaweed a staple in local cuisines and supports a robust, large-scale industry. This deep-rooted cultural acceptance ensures consistent demand and widespread integration of seaweed protein into daily diets.
Key Seaweed Protein Company Insights
The competitive landscape of the global seaweed protein market is moderately consolidated, characterized by the presence of several established multinational corporations alongside specialized regional players. These key players leverage their extensive distribution networks, integrated supply chains, and strong manufacturing capabilities across North America, Asia-Pacific, and Europe to maintain leadership. Many companies are vertically integrated, controlling operations from seaweed cultivation and harvesting to protein extraction and final product manufacturing, which enhances efficiency and product quality.
Key Seaweed Protein Companies:
The following are the leading companies in the seaweed protein market. These companies collectively hold the largest market share and dictate industry trends.
Cargill, Incorporated
DuPont Nutrition & Biosciences
Acadian Seaplants Limited
Irish Seaweed Company
Gelymar SA
Algaia S.A.
CP Kelco U.S., Inc.
Qingdao Gather Great Ocean Algae Industry Group
Qingdao Brightmoon Seaweed Co. Ltd.
Seasol
Compo Expert GmbH
R&G Strategic Inc.
Maxicrop
Chase Organics
BioAtlantis Ltd.
Global Seaweed Protein Market Report Segmentation
This report forecasts revenue growth at the global, regional, and country levels and analyzes the latest industry trends and opportunities in each sub-segment from 2018 to 2030. For this study, Grand View Research has segmented the global seaweed protein market report by source, extraction type, application, and region:
Source Outlook (Revenue, USD Million, 2018 - 2030)
Red Seaweed
Brown Seaweed
Green Seaweed
Extraction Type Outlook (Revenue, USD Million, 2018 - 2030)
Conventional
Current
Application Outlook (Revenue, USD Million, 2018 - 2030)
Food
Animal Feed
Personal Care & Cosmetics
Others