Weight Loss and Diet Management Market Report 2026

The weight loss and diet management market size has grown strongly in recent years. It will grow from $31.07 billion in 2025 to $33.53 billion in 2026 at a compound annual growth rate (CAGR) of 7.9%. The growth in the historic period can be attributed to growing obesity prevalence worldwide, increasing awareness about healthy lifestyle, rising demand for nutritional supplements, expansion of fitness and slimming centers, early adoption of structured weight programs.

The weight loss and diet management market size is expected to see strong growth in the next few years. It will grow to $45.43 billion in 2030 at a compound annual growth rate (CAGR) of 7.9%. The growth in the forecast period can be attributed to increasing preference for preventive healthcare, rising demand for personalized nutrition, growth of digital diet monitoring solutions, expansion of weight management services, strengthening focus on long term wellness outcomes. Major trends in the forecast period include growing shift toward personalized diet programs, rising demand for nutritional counseling services, increasing adoption of meal replacement solutions, expansion of health focused lifestyle modification programs, strengthening emphasis on preventive health and wellness.

The rising prevalence of obesity is expected to drive the growth of the weight loss and diet management market going forward. Obesity is a medical condition marked by excessive accumulation of body fat that can negatively impact an individual’s health. Weight loss and diet management solutions play a critical role in addressing obesity by supporting weight reduction, improving overall health outcomes, and enhancing the well-being of individuals who are overweight or obese. For instance, in May 2025, according to the Office for Health Improvement and Disparities (OHID), a UK-based government agency, an estimated 64.5% of adults aged 18 years and above in England were overweight or living with obesity in 2023-2024, an increase from 64% in 2022-2023. Therefore, the growing prevalence of obesity is driving the expansion of the weight loss and diet management market.

Companies operating in the weight loss and diet management market are increasingly focusing on innovative approaches, such as personalized nutrition solutions, to improve effectiveness, convenience, and consumer engagement. Personalized nutrition solutions involve diet and wellness programs tailored to an individual’s health profile, lifestyle, and personal goals to achieve optimal outcomes. For example, in January 2024, GNC Holdings LLC, a US-based multinational health and wellness company, introduced the Total Lean GlucaTrim weight loss supplement. This non-prescription, plant-based supplement is designed to support weight management, lean muscle development, and healthy blood sugar and insulin levels. It features scientifically supported ingredients such as Slimvance, a blend of turmeric, moringa, and curry leaf extracts that help boost metabolism, along with Reducose from white mulberry leaf extract to assist in regulating post-meal blood glucose and insulin responses. The formulation also includes Chromax chromium picolinate and berberine to further support glucose and insulin balance.

In March 2023, Profile Plan LLC, a US-based health, nutrition, and weight management company, acquired HMR Plan for an undisclosed amount. This acquisition was intended to strengthen Profile Plan’s weight loss and diet management offerings by incorporating HMR’s structured meal programs, behavior modification coaching, and lifestyle management solutions. Health Management Resources is a US-based company specializing in structured meal plans, behavior-change coaching, and comprehensive weight management programs.

Major companies operating in the weight loss and diet management market report are Weight Watchers International Inc., Nutrisystem Inc., Kellogg Company, Herbalife Ltd., Apollo Endosurgery Inc., Medifast Inc., Atkins Nutritionals Inc., Health Total, Fitelo, Pulse Nutri Science Private Limited, Life Extension Foundation, Slimming World Ltd., Herbal Magic LLC, WeightNot LLC, Diet Center Group, Lindora LLC, Quick Weight Loss Centers LLC, The Camp Transformation Center, The Biggest Loser Resort, Noom Inc., MyFitnessPal LLC, The Beachbody Company Inc.

North America was the largest region in the weight loss and diet management market in 2025. The regions covered in the weight loss and diet management market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the weight loss and diet management market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The weight loss and diet management market consists of revenues earned by entities by providing weight loss services such as gyms, club facilities, aerobic centers, yoga centers, endurance exercises, and other services. The market value includes the value of related goods sold by the service provider or included within the service offering. The weight loss and diet management market also include sales of dietary products such as whole eggs, salmon, tuna, beans and legumes, green tea, black tea, apple cider vinegar drinks, and other products. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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