Health and Weight Management | Market Size, Share & Growth Report 2024-2029
The Health and Weight Management Market Report is Segmented by Product Type (Dietary Supplements, Meal Replacements, Weight Loss Programs, Fitness Equipment, and Surgical Procedures), Application (Weight Loss, Weight Gain, Weight Maintenance, Chronic Disease Management, and Sports Nutrition), Distribution Channel (Online Stores, Retail Stores, Fitness Centers, Hospitals & Clinics, and Pharmacies), Ingredient Type (Protein, Fiber, Vitamins & Minerals, Plant Extracts, and Others).
Health and Weight Management Market
Market Analysis
How the market stands today, and what is shaping it
The global health and weight management market was estimated at approximately USD 114.79 billion in 2024 and is projected to reach around USD 192.56 billion by 2029, representing a CAGR of approximately 10.90% during 2024–2029, based on Core Market Research estimates. The market combines dietary supplements, meal replacements, behavioural programmes, fitness equipment and surgical procedures, with medically supervised programmes such as Optifast delivered through weight loss clinics, while prescription GLP-1 receptor agonists sit outside the supplied product categories despite dominating clinical practice. Growth is supported by adult obesity at 40.3%, with severe obesity rising to 9.7%. Disease indications granted to Wegovy for cardiovascular risk in March 2024 and to Zepbound for obstructive sleep apnoea in December 2024, together with approval of the first oral GLP-1, extend it further. Expansion is constrained by the decision of the Centers for Medicare & Medicaid Services in April 2025 not to finalise federal coverage of anti-obesity medicines. Prevalence has also not risen for a decade, and no product has demonstrated durable maintenance after treatment stops. Competition runs between pharmacotherapy, nutrition and behavioural programmes, and WW International's 2025 restructuring showed these compete directly.
Market Dynamics
Key market dynamics and their impact on the industry landscape
Market Drivers
- The National Center for Health Statistics recorded adult obesity at 40.3% and severe obesity at 9.7% during August 2021 to August 2023, with 31.7% additionally overweight. Severe obesity rose from 7.7% a decade earlier, concentrating demand among patients who need sustained clinical intervention rather than a self-managed programme.
- The FDA approved oral semaglutide 25 mg as the first GLP-1 receptor agonist in pill form, after OASIS 4 recorded 16.6% mean weight loss among adherent participants, with a United States launch planned for early January 2026. Removing injection from the pathway widens the population willing to begin treatment.
- The FDA approved Wegovy for cardiovascular risk reduction on 8 March 2024 on the SELECT trial of 17,604 participants, and Zepbound for moderate to severe obstructive sleep apnoea in December 2024. Disease indications let payers fund weight reduction as treatment rather than as a lifestyle benefit.
- Nestlé Health Science delivers Optifast as a medically supervised meal-replacement programme for people with a body mass index above 30 through weight loss clinics. Clinical supervision places meal replacement inside the same care pathway as prescribing, which keeps the category relevant where unsupervised dieting is not.
- Eli Lilly reported approximately USD 36.5 billion in combined 2025 tirzepatide sales across Mounjaro and Zepbound, around 56% of company revenues, and IQVIA valued the global obesity drug market at USD 66 billion for 2025. Revenue at that scale funds continued development and manufacturing expansion across the category.
Market Challenges
- The Centers for Medicare & Medicaid Services proposed Medicare Part D and Medicaid coverage of anti-obesity medications on 26 November 2024 and declined to finalise it on 4 April 2025 without substantive explanation. The largest public payer in the United States therefore still does not cover obesity pharmacotherapy.
- WW International filed Chapter 11 on 6 May 2025 carrying roughly USD 1.6 billion of debt, attributing its position to competition from GLP-1 medicines. The best-known brand in the Weight Loss Programs category required a restructuring that converted most secured borrowing into equity.
- The supplied Product Type values contain no pharmacotherapy category, while IQVIA valued the global obesity drug market at USD 66 billion in 2025. Any segmentation of this market that omits prescription medicines describes the part of the category that is losing share to the part it excludes.
- Adult obesity prevalence did not increase significantly across the decade to August 2023, holding at 40.3%. Growth in this market therefore depends on treating a stable population more intensively rather than on a widening patient base, which ties revenue to price and persistence rather than to incidence.
- Plant Extracts and other supplement ingredients are sold without pre-market approval and without trials comparable to SELECT or OASIS 4. As approved medicines demonstrate double-digit percentage weight loss, the evidentiary gap between prescription and supplement categories becomes commercially visible to consumers.
Opportunities
- The Centers for Medicare & Medicaid Services indicated that coverage of anti-obesity medications could be addressed in future rulemaking after the April 2025 decision not to finalise it. Federal coverage would materially change affordability for the Medicare population, which contains a substantial share of adults aged 60 and over with obesity.
- Oral semaglutide 25 mg could extend treatment to patients unwilling to inject, and the OASIS 4 result of 16.6% mean weight loss among adherent participants suggests the oral route need not sacrifice efficacy. A pill also simplifies distribution through the pharmacy and online channels.
- Protein and lean-mass preservation may become a clinically framed opportunity rather than a sports-nutrition one, because pharmacotherapy produces larger reductions than diet alone and the composition of that loss has become a clinical concern.
- Medically supervised meal replacement, as Nestlé delivers through Optifast in weight loss clinics, could position the category as complementary to prescribing rather than as its competitor, since patients on pharmacotherapy still require structured nutrition.
- Further disease indications may follow the cardiovascular and obstructive sleep apnoea approvals. Each additional indication converts a share of the obese population into patients whose treatment a payer has an established reason to fund.
Trends and Insights
Key market trends shaping the industry landscape
Weight Management Becoming Disease Treatment
High impactShort-termWegovy gained a cardiovascular indication on 8 March 2024 from the 17,604-participant SELECT trial, and Zepbound was approved for moderate to severe obstructive sleep apnoea in December 2024.
Insight: Reframing weight reduction as treatment for a named disease gives payers a basis to fund it, which moves the purchasing decision from the consumer to the insurer.
Behavioural Programmes Restructuring Around Prescribing
High impactShort-termWW International acquired the telehealth platform Sequence in April 2023, filed a prepackaged Chapter 11 on 6 May 2025 and emerged private on 24 June 2025 focused on telehealth.
Insight: The programme category is not disappearing but converting into a prescribing and adherence channel, which changes its revenue model from subscription coaching to clinical service.
Oral Delivery Widening the Treated Population
High impactShort-termThe FDA approved oral semaglutide 25 mg as the first GLP-1 pill for weight management, with a United States launch planned for early January 2026 following 16.6% mean weight loss among adherent OASIS 4 participants.
Insight: Removing injection lowers the threshold to starting treatment and shifts volume toward pharmacy and online channels that handle oral products more simply than cold-chain injectables.
Severity Rising While Prevalence Holds
Medium impactLong-termAdult obesity prevalence was 40.3% in August 2021 to August 2023 with no significant change across the preceding decade, while severe obesity rose from 7.7% to 9.7%.
Insight: Demand is intensifying rather than broadening, so growth depends on treating a stable population more intensively, which favours clinical intervention over consumer products.
Coverage as the Unresolved Variable
High impactMid-termThe Centers for Medicare & Medicaid Services proposed coverage of anti-obesity medications on 26 November 2024 and declined to finalise it on 4 April 2025.
Insight: The largest single determinant of future volume is a payment decision rather than a clinical or technical one, which makes forecasts unusually sensitive to regulatory timing.
Segment Analysis
Market segmentation by product type, application, distribution channel, ingredient type
The five supplied values contain no pharmacotherapy category, which is the most consequential feature of this segmentation. IQVIA put the global obesity drug market at USD 66 billion in 2025, and Eli Lilly alone reported approximately USD 36.5 billion in combined tirzepatide sales, so the fastest-moving part of weight management sits outside the categories supplied. Within those categories, Dietary Supplements and Meal Replacements are the established volume base, and Nestlé Health Science's Optifast is a medically supervised meal-replacement programme for people with a body mass index above 30, delivered through weight loss clinics. Weight Loss Programs are under the most direct pressure, demonstrated by WW International's Chapter 11 filing on 6 May 2025. Surgical Procedures occupy the severe end, where prevalence has risen. Fitness Equipment addresses maintenance and fitness rather than clinical obesity. No published revenue split across these five categories was identified.
Geography Analysis
Regional market analysis
North America
North America holds the best-measured disease burden, the largest commercial activity and the decisive coverage question. The National Center for Health Statistics reported adult obesity at 40.3% and severe obesity at 9.7% for August 2021 to August 2023, with a further 31.7% overweight, and obesity reaching 46.4% among adults aged 40 to 59. Severe obesity rose from 7.7% to 9.7% over the preceding decade even as overall obesity held steady, which concentrates demand at the end of the spectrum where intervention is most intensive. Eli Lilly reported approximately USD 36.5 billion in combined tirzepatide sales for 2025. The unresolved issue is federal coverage. The Centers for Medicare & Medicaid Services proposed Part D and Medicaid coverage of anti-obesity medications on 26 November 2024 and declined to finalise it on 4 April 2025. The largest public payer still does not cover them for obesity. No regional market size, revenue or growth figure for North America was identified in the sources reviewed for this report. The regional position therefore rests on documented disease concentration and on the coverage decision described above rather than on a measured market figure.
Europe
Europe is the base of one of the two companies that define the pharmacological segment, since Novo Nordisk A/S is headquartered in Denmark and markets semaglutide as Wegovy, and of Nestlé S.A. in Switzerland, whose Health Science division runs the Optifast medically supervised meal-replacement programme. National health systems make coverage decisions individually rather than through a single mechanism, so access varies by country in a way that has no direct equivalent in the United States federal position. No Europe-wide prevalence dataset comparable to the National Center for Health Statistics series, and no European reimbursement decision on anti-obesity medication equivalent to the Medicare proposal, was identified for this analysis. The regional position therefore rests on corporate presence and manufacturing rather than on measured regional demand.
Asia Pacific
Asia Pacific is served by the same approved medicines and the same meal-replacement programmes, since Optifast is described as available in key markets worldwide and both approved GLP-1 receptor agonists are marketed internationally. No region-specific prevalence survey, reimbursement decision or revenue disclosure for weight management was identified for Asia Pacific in the sources reviewed. Body mass index thresholds used to define obesity differ in several Asian populations from those used in the United States data, which means prevalence figures are not directly comparable across regions and a straightforward transfer of the 40.3% United States figure would be incorrect. Recording that difference is more useful than asserting a regional ranking that the available evidence does not support.
Latin America
No Latin America-specific prevalence survey, reimbursement decision, provider disclosure or revenue figure for weight management was identified. The supplement and meal-replacement categories reach the region through direct selling, and Herbalife Ltd. operates a distributor model across multiple markets, but the company reports revenue globally rather than by region in the sources reviewed. Without regional prevalence data or a coverage decision comparable to the Medicare proposal, no ranking, share or growth claim for this region would be supported by verified evidence.
Middle East & Africa
Middle East & Africa has the least published evidence of any supplied region for this market. No regional prevalence dataset, reimbursement mechanism, distribution figure or company disclosure specific to weight management was identified in the sources reviewed. Because access to GLP-1 receptor agonists depends on both regulatory approval and ability to pay, and because neither was documented at regional level in these sources, the balance between pharmacotherapy and the supplement and programme categories cannot be described here from verified evidence.
Competitive Landscape
Key players and market positioning analysis
Competition in this market is split between an approved-medicine cohort that is growing quickly and a consumer-product cohort that is being repositioned around it. The five Major Players are ranked by scale of verified participation in weight management, and they fall into three groups. The first group is pharmacotherapy. Eli Lilly and Company reported approximately USD 36.5 billion in combined 2025 sales for its tirzepatide franchise, marketed as Mounjaro for diabetes and Zepbound for obesity, representing around 56% of company revenues. It also holds the first approval for moderate to severe obstructive sleep apnoea in adults with obesity. Novo Nordisk A/S markets semaglutide as Wegovy, which gained a cardiovascular indication on 8 March 2024 from the SELECT trial of 17,604 participants, and secured approval for oral semaglutide 25 mg with a United States launch planned for early January 2026. IQVIA valued the global obesity drug market at USD 66 billion in 2025, against which no consumer-product participant is comparable in scale. The second group is nutrition and meal replacement. Herbalife Ltd. reported approximately USD 5.04 billion of revenue for 2025 through a distributor network, and Euromonitor International has placed it first globally in weight management, meal replacement and protein shakes taken together. Nestlé S.A. competes clinically rather than through retail, delivering Optifast as a medically supervised meal-replacement programme for people with a body mass index above 30 through weight loss clinics. The third group is behavioural programmes, where WW International, Inc. filed a prepackaged Chapter 11 petition on 6 May 2025, eliminated approximately USD 1.15 billion of roughly USD 1.6 billion in debt, and emerged as a private company on 24 June 2025 after 42 days, refocusing on telehealth after acquiring Sequence in April 2023. Its restructuring is the clearest evidence that these groups compete directly rather than occupying separate niches. Organisations outside the Major Players list also shape the market. The Centers for Medicare & Medicaid Services is the decisive actor on volume, having proposed and then declined to finalise coverage of anti-obesity medications. The National Center for Health Statistics defines the addressable population, and its finding that severe obesity rose while overall prevalence held steady tells participants where demand is concentrating. The principal competitive factor is demonstrated clinical effect at a price a payer will fund, which is why a category once driven by brand and adherence coaching is now driven by trial evidence. Future differentiation may increasingly depend on durability after treatment stops, since no participant has yet shown a product that maintains loss once pharmacotherapy is discontinued.
Major Players
Leading companies in the market
Industry Developments
9 recorded developments
The Centers for Medicare & Medicaid Services declined on 4 April 2025 to finalise the proposed coverage of anti-obesity medications in its 2026 contract year rule, without giving a substantive explanation, while indicating the proposal could return in future rulemaking. Federal coverage of obesity pharmacotherapy therefore remained unavailable.
WW International filed a prepackaged Chapter 11 petition in Delaware on 6 May 2025, eliminating approximately USD 1.15 billion of roughly USD 1.6 billion in debt, and emerged as a private company on 24 June 2025 after a 42-day case. The company attributed its position to competition from GLP-1 medicines and refocused on telehealth delivery.
Eli Lilly reported combined 2025 sales of approximately USD 36.5 billion for its tirzepatide franchise, marketed as Mounjaro for diabetes and Zepbound for obesity, representing around 56% of company revenues. IQVIA put the global obesity drug market at USD 66 billion for the same year.
The FDA approved oral semaglutide 25 mg, the first GLP-1 receptor agonist in pill form for weight management, following the OASIS 4 trial in which adherent participants achieved 16.6% mean weight loss. Novo Nordisk planned a United States launch in early January 2026, removing injection from the treatment pathway.
The FDA approved a cardiovascular indication for Wegovy on 8 March 2024, permitting use to reduce the risk of cardiovascular death, heart attack and stroke in adults with established cardiovascular disease who are overweight or obese. Approval rested on the SELECT trial, which enrolled 17,604 participants without diabetes.
The National Center for Health Statistics published Data Brief 508 in September 2024, reporting adult obesity prevalence of 40.3% and severe obesity of 9.7% for August 2021 to August 2023, with a further 31.7% overweight. Overall obesity did not increase significantly across the preceding decade, while severe obesity rose from 7.7% to 9.7%.
The Centers for Medicare & Medicaid Services proposed a reinterpretation on 26 November 2024 that would have allowed Medicare Part D and Medicaid coverage of anti-obesity medications, with comments due by 27 January 2025. The proposal would have brought GLP-1 receptor agonists prescribed for obesity inside federal drug coverage for the first time.
The FDA approved Zepbound in December 2024 for moderate to severe obstructive sleep apnoea in adults with obesity, the first medication approved for that condition. Trial data showed reductions in breathing interruptions both in patients already using continuous positive airway pressure and in those unwilling to use it.
WW International acquired the subscription telehealth platform Sequence in April 2023 to gain a route into prescribing obesity medication. A weight-loss programme business buying a prescribing capability marked the point at which behavioural programmes began treating pharmacotherapy as a competitor rather than an adjunct.
Table of Contents
13 comprehensive chapters
1.1 Market Definition
1.2 Scope of the Study
1.3 Research Objectives
2.1 Research Approach
2.2 Data Sources
2.3 Market Estimation Approach
2.4 Forecast Assumptions
2.5 Research Limitations
3.1 Market Overview
3.2 Market Size and Forecast
3.3 Key Findings
3.4 Market Structure
4.1 Market Drivers
4.2 Market Challenges
4.3 Market Opportunities
4.4 Market Trends and Insights
5.1 Market Segmentation Overview
5.2 By Product Type
5.3 By Application
5.4 By Distribution Channel
5.5 By Ingredient Type
6.1 North America
6.2 Europe
6.3 Asia Pacific
6.4 Latin America
6.5 Middle East & Africa
6.6 Regional Market Comparison
7.1 Industry Developments
7.2 Industry Timeline
8.1 Market Structure and Competitive Positioning
8.2 Major Players
8.3 Strategic Developments
8.4 Key Competitive Factors
9.1 Eli Lilly and Company
9.2 Novo Nordisk A/S
9.3 Herbalife Ltd.
9.4 Nestlé S.A.
9.5 WW International, Inc.
10.1 Market Size and Growth Outlook
10.2 Regional Market Outlook
10.3 Future Market Trends
10.4 Key Risks to the Forecast
11.1 Growth Opportunities
11.2 Key Risks and Constraints
11.3 Strategic Considerations
13.1 Glossary of Terms
13.2 Abbreviations
13.3 Research References
Scope of the Report
Report coverage and methodology
Study Period
Base Year: 2024
Forecast Period: 2024 - 2029
Geographic Scope
North America, Europe, Asia Pacific, Latin America, Middle East & Africa
Companies Covered
Eli Lilly and Company, Novo Nordisk A/S, Herbalife Ltd., Nestlé S.A. + more
Data Sources
Primary research, industry interviews, regulatory filings, company reports
Frequently Asked Questions
Common questions about this report
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