The Japan weight management market was valued at USD 7.22 Billion in 2025 and is expected to grow at a CAGR of 8.20%, reaching USD 15.88 Billion by 2035. Rising disposable incomes and a growing youth population are driving demand for customized fitness solutions in Saudi Arabia. Expanding gym chains and mobile health technologies are reshaping consumer preferences. National campaigns focusing on healthy eating are likely to sustain the market’s upward trajectory.
Base Year
Historical Period
Forecast Period
In June 2025, Juniper’s study showed its Japan-based patients achieved superior weight loss results versus clinical trials using GLP-1 drugs. This success highlights the growing demand for personalized digital programs, accelerating Japan's weight management market growth.
Rising health awareness, aging population, and increasing obesity rates are key factors driving growth in Japan's weight management market, encouraging higher demand for dietary supplements, fitness programs, and personalized nutrition solutions.
Leading players are driving market growth through innovative product launches, strategic collaborations, and expanding distribution networks, catering to evolving consumer preferences and boosting market penetration.
Compound Annual Growth Rate
8.2%
Value in USD Billion
2026-2035
*this image is indicative*
Weight management involves long-term strategies to support healthy body weight through lifestyle changes, including exercise, diet planning, and wellness monitoring. The market in Saudi Arabia is expanding due to the rising incidence of obesity, high consumption of processed foods, and sedentary habits. Growing awareness of health risks, along with government campaigns focused on fitness and nutrition, has significantly increased demand for weight management services and products. Technological integration, such as mobile health apps and virtual coaching, is further enhancing market accessibility. The market is poised to reach USD 15.88 Billion by 2035.
New Drug Launches to Elevate the Weight Management Market in Japan
The introduction of innovative weight-loss drugs is emerging as a key growth driver in Japan's weight management market. In February 2024, Novo Nordisk officially launched its breakthrough anti-obesity drug Wegovy in Japan, marking its first rollout in Asia. This move comes despite the country’s relatively low obesity rate, highlighting a shift toward proactive obesity management. With eligibility criteria based on BMI and comorbidities, and partial reimbursement aligning with other prescription drugs, Wegovy is expected to see strong demand. Such high-impact product launches are set to significantly accelerate market expansion across Japan.
Some of the trends in the market include increased regulatory approvals for innovative obesity treatments and expanding strategic collaborations within functional fitness.
Rising Regulatory Approvals for Advanced Obesity Treatments are Likely to Boost the Market Value
The market is experiencing a notable trend driven by the increasing regulatory approvals of innovative obesity therapies. In December 2024, Eli Lilly Japan K.K. and Mitsubishi Tanabe Pharma Corporation received manufacturing and marketing authorization for Zepbound®, a long-acting GIP/GLP-1 receptor agonist designed to treat obesity disease with multiple health complications. This approval underscores growing government recognition of obesity as a chronic condition requiring advanced pharmacological solutions. Such regulatory advancements are expected to accelerate market growth and enhance treatment accessibility nationwide.
Strategic Alliances in Functional Fitness to Enhance the Japan Weight Management Market Demand
A growing emphasis on functional training is shaping the market in Japan, driven by rising health consciousness and demand for innovative fitness solutions. In June 2023, TRX® strengthened its regional presence by forming an exclusive distribution partnership with Bravo Group, a leading name in Japan’s fitness industry. This collaboration, launched in August 2023, aims to enhance localized services, training programs, and product accessibility. The strategic alliance is expected to accelerate market growth by expanding access to effective, movement-based weight management tools.
Diet to Dominate the Segmentation by Offerings
The diet segment is expected to lead the segmentation, accounting for 71.94% of revenue share in the historical period. Within this segment, dietary supplements hold a significant share due to increasing consumer demand for convenient, effective solutions that aid metabolism and support balanced nutrition. Growing health awareness and scientific innovation fueled interest, closely aligning with the global market trends for weight loss medications. This dominance significantly influences market growth of this segment among others
The key features of the market report comprise strategic initiatives by the leading players. The major companies in the market are as follows:
Founded in 1972 and headquartered in Fort Washington, Pennsylvania, USA, it is a leading provider of meal replacement programs and weight loss services, delivering frozen and pre-packaged meals directly to consumers. Known for its convenience-based approach, Nutrisystem focuses on personalized plans that supported healthy eating habits while addressing metabolism and nutrition needs. The company plays a significant role in the industry by helping millions achieve weight goals, influencing consumer preferences toward ready-to-eat solutions.
This company was formerly known as Weight Watchers. It was established in 1963 and is headquartered in New York City, USA. It became a global leader through its behavioral programs emphasizing lifestyle modification and community support. WW International contributes by making weight loss achievable via digital tools, personal coaching, and a points-based tracking system. Its focus on long-term success encouraged members to adopt portion-controlled diets and regular activity, boosting engagement and retention in the weight management space.
Established in 1906 and headquartered in Chicago, Illinois, USA, is a major player in the weight management industry through nutrition-focused foods. The company offers cereals, wholesome snacks, and on-the-go products that met health-conscious consumer demands. Its emphasis on low-calorie snacks and fortified breakfast options helps shape healthier eating habits worldwide. With its trusted brands and global distribution, Kellogg supports consumer weight goals while maintaining affordability and convenience.
Founded in 1866 and headquartered in Vevey, Switzerland. As a global leader, Nestlé influences the market with a broad portfolio including functional foods, protein-enriched products, and health-focused beverages. Its long-standing commitment to nutrition and innovation allows it to address varied dietary needs while promoting balanced eating. Leveraging a vast supply chain, Nestlé ensures that nutrient-dense products reached consumers across multiple markets, strengthening its role in driving global weight management solutions.
*Please note that this is only a partial list; the complete list of key players is available in the full report. Additionally, the list of key players can be customized to better suit your needs.*
Other key players in the market include GNC Holdings, Inc., Now Health Group, Inc., and Glanbia PLC.
The market report offers a detailed analysis of the market based on the following segments:
Market Breakup by Offerings
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*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*
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| REPORT FEATURES | DETAILS |
| Base Year | 2025 |
| Historical Period | 2019-2025 |
| Forecast Period | 2026-2035 |
| Scope of the Report |
Historical and Forecast Trends, Industry Drivers and Constraints, Historical and Forecast Market Analysis by Segment:
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| Breakup by Offerings |
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| Market Dynamics |
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