海藻タンパク質の市場規模、シェア、成長分析、ソース別、抽出法別、用途別、地域別 - 産業予測、2025年～2032年

海藻タンパク質の世界市場規模は2023年に5億3,030万米ドルと評価され、2024年の5億7,166万米ドルから、2032年までには10億4,253万米ドルに成長し、予測期間（2025年～2032年）のCAGRは7.8%で推移する見通しです。

海藻タンパク質市場は、従来のタンパク質源に代わる栄養価が高く環境に優しい代替品として認知され、急速に拡大しています。最近の動向では、食品、飼料、医薬品など様々な分野でカラギーナン、アルギン酸、寒天などのハイドロコロイドの応用が増加しており、藻類の生産と商業用海藻の需要の急増を後押ししています。さらに、マクロ藻類の消費に関連する健康上の利点は、これらの製品を日常の食生活に組み込むことを促しています。消費者がますます健康とウェルネスを優先するようになるにつれ、植物性で持続可能なタンパク質の選択肢に対する需要が高まると予想されます。パンデミックからの回復が進み、消費者の選好も進化していることから、海藻タンパク質市場は、植物性栄養の利点に対する認識が広まり、大きな成長が見込まれます。

目次

イントロダクション

• 調査の目的
• 調査範囲
• 定義

調査手法

• 情報調達
• 二次と一次データの方法
• 市場規模予測
• 市場の前提条件と制限

エグゼクティブサマリー

• 世界市場の見通し
• 供給と需要の動向分析
• セグメント別機会分析

市場力学と見通し

• 市場概要
• 市場規模
• 市場力学
  • 促進要因と機会
  • 抑制要因と課題
• ポーターの分析

主要な市場の考察

• 主要な成功要因
• 競合の程度
• 主要な投資機会
• 市場エコシステム
• 市場の魅力指数（2024年）
• PESTEL分析
• マクロ経済指標
• バリューチェーン分析
• 価格分析

海藻タンパク質市場規模：ソース別・CAGR（2025年～2032年）

• 市場概要
• 紅藻
• 緑藻類
• 若布

海藻タンパク質市場規模：抽出別・CAGR（2025年～2032年）

• 市場概要
• 従来型
• 新しい

海藻タンパク質市場規模：用途別・CAGR（2025年～2032年）

• 市場概要
• 食品
• 動物飼料・添加物
• パーソナルケア・化粧品
• 医薬品・栄養補助食品
• その他

海藻タンパク質市場規模・CAGR（2025年～2032年）

• 北米
  • 米国
  • カナダ
• 欧州
  • ドイツ
  • スペイン
  • フランス
  • 英国
  • イタリア
  • その他欧州地域
• アジア太平洋
  • 中国
  • インド
  • 日本
  • 韓国
  • その他アジア太平洋
• ラテンアメリカ
  • ブラジル
  • その他ラテンアメリカ地域
• 中東・アフリカ
  • GCC諸国
  • 南アフリカ
  • その他中東・アフリカ

競合情報

• 上位5社の比較
• 主要企業の市場ポジショニング（2024年）
• 主要な市場企業が採用した戦略
• 最近の市場動向
• 企業の市場シェア分析（2024年）
• 主要企業の企業プロファイル
  • 企業の詳細
  • 製品ポートフォリオ分析
  • 企業のセグメント別シェア分析
  • 収益の前年比比較（2022年～2024年）

主要企業プロファイル

• Cargill, Incorporated（USA）
• DuPont Nutrition & Biosciences（USA）
• Gelymar SA（Chile）
• Irish Seaweed Company（Ireland）
• Mara Seaweed（UK）
• Oceanium（UK）
• Seakura（Israel）
• Seaweed Solutions AS（Norway）
• Seamore（Netherlands）
• Qingdao Gather Great Ocean Algae Industry Group Co., Ltd.（China）
• Maine Coast Sea Vegetables（USA）
• Pacific Harvest（New Zealand）
• Algamo（Czech Republic）
• Seaweed Energy Solutions AS（Norway）
• Branch Brook Farm（USA）
• Seadling AS（Norway）

結論と提言

Global Seaweed Protein Market size was valued at USD 530.3 million in 2023 and is poised to grow from USD 571.66 million in 2024 to USD 1042.53 million by 2032, growing at a CAGR of 7.8% during the forecast period (2025-2032).

The market for seaweed protein is rapidly expanding, driven by its recognition as a nutritious and eco-friendly alternative to conventional protein sources. Recent trends show an increased application of hydrocolloids such as carrageenan, alginate, and agar across various sectors including food, animal feed, and pharmaceuticals, fueling a surge in algae production and commercial seaweed demand. Furthermore, the health benefits linked to macro algae consumption are encouraging integration of these products into everyday diets. As consumers increasingly prioritize health and wellness, the demand for plant-based and sustainable protein options is expected to rise. With the ongoing recovery from the pandemic and evolving consumer preferences, the seaweed protein market is poised for significant growth, driven by a broader awareness of plant-based nutrition's advantages.

Top-down and bottom-up approaches were used to estimate and validate the size of the Global Seaweed Protein market and to estimate the size of various other dependent submarkets. The research methodology used to estimate the market size includes the following details: The key players in the market were identified through secondary research, and their market shares in the respective regions were determined through primary and secondary research. This entire procedure includes the study of the annual and financial reports of the top market players and extensive interviews for key insights from industry leaders such as CEOs, VPs, directors, and marketing executives. All percentage shares split, and breakdowns were determined using secondary sources and verified through Primary sources. All possible parameters that affect the markets covered in this research study have been accounted for, viewed in extensive detail, verified through primary research, and analyzed to get the final quantitative and qualitative data.

Global Seaweed Protein Market Segments Analysis

Global Seaweed Protein Market is segmented by Source, Extraction, Application and region. Based on Source, the market is segmented into Red seaweed, Green seaweed and Brown seaweed. Based on Extraction, the market is segmented into Conventional and New. Based on Application, the market is segmented into Food, Animal Feed & Additives, Personal Care & Cosmetics, Pharmaceuticals & nutraceuticals and Others. Based on region, the market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & Africa.

Driver of the Global Seaweed Protein Market

The global seaweed protein market is experiencing significant growth, primarily fueled by the rising popularity of plant-based protein supplements. As consumers increasingly seek out plant-based food options, the demand for seaweed protein has surged. This natural source of protein is not only rich in essential minerals, vitamins, and micronutrients but also promotes overall health and wellness. Consequently, the combination of these health benefits and the growing trend towards sustainable and nutritious food sources continues to drive the seaweed protein market forward, positioning it as a crucial player in the evolving landscape of dietary preferences.

Restraints in the Global Seaweed Protein Market

The Global Seaweed Protein market faces significant challenges due to potential contamination from heavy metals, including toxic elements and tin, often present in polluted water. The level and type of contamination in seaweed can vary greatly depending on its growth environment. For instance, Hijiki, a thin seaweed that darkens upon cooking, is notably recognized as a common source of arsenic poisoning. Consequently, the presence of these heavy metals adversely affects the quality of seaweed products, raising concerns about safety and marketability, and posing a restraint on the overall growth and acceptance of seaweed protein within the industry.

Market Trends of the Global Seaweed Protein Market

The Global Seaweed Protein market is witnessing a significant upward trend, driven by the rising popularity of seaweed as a sustainable, nutrient-rich plant-based protein. Recognized for its high iodine content, which supports thyroid health, and enriched with essential minerals and vitamins like K and B, zinc, and iron, seaweed is increasingly favored by health-conscious consumers. Its diverse applications across multiple sectors, including food and cosmetics, are projected to unlock lucrative opportunities for industry players. As awareness of its environmental benefits and nutritional value grows, the market is expected to expand substantially in the coming years, presenting a promising horizon for stakeholders.

Table of Contents

Introduction

• Objectives of the Study
• Scope of the Report
• Definitions

Research Methodology

• Information Procurement
• Secondary & Primary Data Methods
• Market Size Estimation
• Market Assumptions & Limitations

Executive Summary

• Global Market Outlook
• Supply & Demand Trend Analysis
• Segmental Opportunity Analysis

Market Dynamics & Outlook

• Market Overview
• Market Size
• Market Dynamics
  • Drivers & Opportunities
  • Restraints & Challenges
• Porters Analysis
  • Competitive rivalry
  • Threat of substitute
  • Bargaining power of buyers
  • Threat of new entrants
  • Bargaining power of suppliers

Key Market Insights

• Key Success Factors
• Degree of Competition
• Top Investment Pockets
• Market Ecosystem
• Market Attractiveness Index, 2024
• PESTEL Analysis
• Macro-Economic Indicators
• Value Chain Analysis
• Pricing Analysis

Global Seaweed Protein Market Size by Source & CAGR (2025-2032)

• Market Overview
• Red seaweed
• Green seaweed
• Brown seaweed

Global Seaweed Protein Market Size by Extraction & CAGR (2025-2032)

• Market Overview
• Conventional
• New

Global Seaweed Protein Market Size by Application & CAGR (2025-2032)

• Market Overview
• Food
• Animal Feed & Additives
• Personal Care & Cosmetics
• Pharmaceuticals & nutraceuticals
• Others

Global Seaweed Protein Market Size & CAGR (2025-2032)

• North America (Source, Extraction, Application)
  • US
  • Canada
• Europe (Source, Extraction, Application)
  • Germany
  • Spain
  • France
  • UK
  • Italy
  • Rest of Europe
• Asia Pacific (Source, Extraction, Application)
  • China
  • India
  • Japan
  • South Korea
  • Rest of Asia-Pacific
• Latin America (Source, Extraction, Application)
  • Brazil
  • Rest of Latin America
• Middle East & Africa (Source, Extraction, Application)
  • GCC Countries
  • South Africa
  • Rest of Middle East & Africa

Competitive Intelligence

• Top 5 Player Comparison
• Market Positioning of Key Players, 2024
• Strategies Adopted by Key Market Players
• Recent Developments in the Market
• Company Market Share Analysis, 2024
• Company Profiles of All Key Players
  • Company Details
  • Product Portfolio Analysis
  • Company's Segmental Share Analysis
  • Revenue Y-O-Y Comparison (2022-2024)

Key Company Profiles

• Cargill, Incorporated (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• DuPont Nutrition & Biosciences (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Gelymar SA (Chile)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Irish Seaweed Company (Ireland)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Mara Seaweed (UK)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Oceanium (UK)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Seakura (Israel)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Seaweed Solutions AS (Norway)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Seamore (Netherlands)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Qingdao Gather Great Ocean Algae Industry Group Co., Ltd. (China)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Maine Coast Sea Vegetables (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Pacific Harvest (New Zealand)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Algamo (Czech Republic)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Seaweed Energy Solutions AS (Norway)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Branch Brook Farm (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Seadling AS (Norway)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments

Conclusion & Recommendations