Japan Weight Loss Supplement Market Size, Share, and COVID-19 Impact Analysis, By Type (Liquid, Powder, Softgels, Pills and Others), By Ingredients (Vitamins & Minerals, Amino Acids, and Natural Extracts/ Botanicals), and Japan Weight Loss Supplement Market Insights, Industry Trend, Forecasts to 2035

Japan Weight Loss Supplement Market Insights Forecasts to 2035

• The Japan Weight Loss Supplement Market Size Was Estimated at USD 1561.4 Million in 2024
• The Market Size is Expected to Grow at a CAGR of Around 16.16% from 2025 to 2035
• The Japan Weight Loss Supplement Market Size is Expected to Reach USD 8112.1 Million by 2035

According to a Research Report Published by Spherical Insights & Consulting, the Japan Weight Loss Supplement Market Size is Anticipated to Reach USD 8112.1 Million by 2035, Growing at a CAGR of 16.16% from 2025 to 2035. The weight loss supplement market in Japan is driven by various factors, including rising prevalence of obesity, rise in chronic diseases, increasing disposable income, rising awareness about weight management, and preference for organic and natural products.

Market Overview

 The weight loss supplements are products specially designed for weight management. The weight loss supplements are available in a variety of forms, such as liquid, powder, softgels, and pills. The ingredients used in the health supplements are vitamins, minerals, amino acids, and natural extracts. The Japanese weight loss supplements market offers a wide range of products. The rise in the rates of obesity is the main key driver in the Japanese weight loss supplements market. Obesity leads to various diseases such as CVD, type 2 diabetes, hypertension, and certain cancers, and the treatment of these diseases requires a long time and high cost. It is important to manage weight. Japan has a fast lifestyle, and many people are taking unhealthy diets and have a sedentary lifestyle, which leads to obesity. The rising promotion through campaigns and through healthcare providers about weight management has a positive impact on the weight loss supplements market. The rising demand for organic and natural weight loss supplements market are key trend in this market. The development of personalized supplements based on the individual's characteristics to cater to their specific health goals is a significant opportunity for growth.

Report Coverage

This research report categorizes the market for the Japan weight loss supplement market based on various segments and regions and forecasts revenue growth and analyzes trends in each submarket. The report analyses the key growth drivers, opportunities, and challenges influencing the Japan weight loss supplement market. Recent market developments and competitive strategies such as expansion, product launch, development, partnership, merger, and acquisition have been included to draw the competitive landscape in the market. The report strategically identifies and profiles the key market players and analyses their core competencies in each sub-segment of the Japan weight loss supplement market.

Driving Factors

The weight loss supplements market is witnessing rapid growth. One of the main driving factors is increasing obesity rates due to changing lifestyle and unhealthy diets, which drive the market growth. The rise in disposable income encourages people to spend more on health and wellness.  The advancements in research and development lead to innovative supplements with improved efficacy and safety, boosting the market growth.

Restraining Factors

The weight loss supplements market has several obstacles. The potential side effects of weight loss supplements limit the market growth. The weight loss supplements market is highly competitive. There are various brands available in the market, which leads to a price war and reduces the profit margin for manufacturers.

Market Segmentation

The Japan weight loss supplement market share is classified into type and ingredients.

• The powder segment held a dominant share of the market in 2024 and is expected to grow at a rapid CAGR during the forecast period.

The Japan weight loss supplement market is segmented by type into liquid, powder, softgels, pills, and others. Among these, the powder segment held a dominant share in 2024 and is expected to grow at a rapid CAGR during the forecast period. This segmental growth is attributed to its convenient administration, larger supplement quantities, and extended shelf life.

• The vitamins & minerals segment held the highest share in 2024 and is expected to grow at a significant CAGR during the forecast period.

The Japan weight loss supplement market is segmented by ingredients into vitamins & minerals, amino acids, and others. Among these, the vitamins & minerals segment held the highest share in 2024 and is expected to grow at a significant CAGR during the forecast period. This is due to vitamins and minerals not only help in weight management but also improve overall body functions and metabolism.

Competitive Analysis

The report offers the appropriate analysis of the key organizations/companies involved within the Japan weight loss supplement market, along with a comparative evaluation primarily based on their product offering, business overviews, geographic presence, enterprise strategies, segment market share, and SWOT analysis. The report also provides an elaborative analysis focusing on the current news and developments of the companies, which includes product development, innovations, joint ventures, partnerships, mergers & acquisitions, strategic alliances, and others. This allows for the evaluation of the overall competition within the market.

List of Key Companies

• Ajinomoto Co., Inc.
• Fujita Kanko Inc.
• Amway
• Herbalife
• GlaxoSmithKline
• Glanbia
• Kao Corporation
• BHN Co., Ltd
• Other

Recent Developments

• In May 2025, Suntory introduced the first meal replacement powder in cocoa and café latte flavors to manage weight.

Key Target Audience

• Market Players
• Investors
• End-users
• Government Authorities 
• Consulting and Research Firm
• Venture capitalists
• Value-Added Resellers (VARs)

Market Segment

This study forecasts revenue at Japan, regional, and country levels from 2020 to 2035. Spherical Insights has segmented the Japan weight loss supplement market based on the below-mentioned segments:

Japan Weight Loss Supplement Market, By Type

• Liquid
• Powder
• Softgels
• Pills
• Others

Japan Weight Loss Supplement Market, By Ingredients

• Vitamins & Minerals
• Amino Acids
• Natural Extracts/ Botanicals