Obesity research — NIH Funding Overview
Reviewed by Dr. Meng ZhaoLast reviewed June 9, 2026Data refreshed September 5, 2026Editorial standards
Obesity research at NIH is funded by NIDDK, NICHD, NHLBI, and NIA, covering metabolic mechanisms, neural regulation of appetite, behavioral and surgical interventions, pediatric obesity, and the metabolic syndrome cluster.
Funding snapshot
Award data on this page reflects a snapshot of NIH RePORTER records last refreshed on September 5, 2026. For live numbers, use the interactive trends view.
Why this matters now
The clinical impact of GLP-1 receptor agonists has reshaped obesity research priorities since 2021, expanding NIH portfolios in long-term outcomes, weight regain, neuropsychiatric effects, and combination therapies. Pediatric and equity-focused obesity research has also grown under the Healthy Eating Research initiatives.
How NIH funds this area
Mechanisms span R01, U01, R21, P01, and clinical trial cooperative agreements (U10, U24). The data below covers all NIH awards mentioning obesity in title, abstract, or terms.
How to use this funding brief
Use this page to determine whether the opportunity is mechanistic, behavioral, pediatric, surgical, or therapeutics-led. Compare NIDDK and NICHD patterns and avoid treating all obesity awards as one market when the underlying review and intervention models differ.
Official source: NIDDK: Obesity research
Search tactics
- Search "bariatric" for surgical research; "ingestive behavior" for neural mechanisms.
- Pediatric obesity is funded heavily by NICHD; metabolic mechanisms by NIDDK.
- Combine with "GLP-1", "tirzepatide", or "incretin" for therapeutics-focused subsets.
What the data shows
- Funding peaked in FY2023 at $2.5B. The FY2025 total of $2.4B is +5% versus FY2021.
- The number of awards fell about 10% in FY2025 even as total dollars grew — funding is concentrating in fewer, larger awards.
- About 84% of FY2026 dollars so far are non-Type-1 award actions, including competing renewals, supplements, non-competing continuations, and institutional changes. This is a descriptive record mix, not a measure of renewal activity alone.
- The average FY2025 award was $649K, and R01 was the most common mechanism in the recent window.
Editorial read
Obesity is the clearest flat portfolio in our tracked set: FY2025 funding is barely above FY2021 and sits below the FY2023 peak — effectively a decline in real terms. The contrast with GLP-1’s rapid growth is the story: therapeutic success has so far pulled NIH money into incretin pharmacology rather than expanding the broader obesity portfolio, so behavioral and population proposals are competing for a base that is not growing.
Yearly NIH Awards for Obesity research
Counts and total funding per fiscal year from NIH RePORTER. Recent fiscal years may understate final totals because of reporting lag.
| Fiscal Year | Project Count | Total Funding | Avg Award |
|---|---|---|---|
| FY2021 | 4,148 | $2,282,829,037 | $550,345 |
| FY2022 | 4,240 | $2,390,939,019 | $563,901 |
| FY2023 | 4,289 | $2,523,766,473 | $588,428 |
| FY2024 | 4,091 | $2,407,818,043 | $588,565 |
| FY2025 | 3,678 | $2,387,336,221 | $649,085 |
| FY2026 | 2,622 | $1,655,064,947 | $631,222 |
Open the full interactive trends view for Obesity research →
Top NIH Institutes (last 90 days)
Which NIH institutes funded the most Obesity projects in the most recent 90-day window.
| Institute | Awards (90d) | Funding (90d) |
|---|---|---|
| NIH | 492 | $348,641,899 |
| VA | 8 | $0 |
Common Activity Codes (last 90 days)
Which grant mechanisms (R01, R21, U01, P30, etc.) appeared most often for Obesity in the recent period.
Most Active Institutions (last 90 days)
Universities and research organizations with the most Obesity awards in the most recent 90-day window.
- UNIVERSITY OF PITTSBURGH AT PITTSBURGH — 14 awards
- ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI — 12 awards
- STANFORD UNIVERSITY — 11 awards
- MASSACHUSETTS GENERAL HOSPITAL — 11 awards
- UT SOUTHWESTERN MEDICAL CENTER — 10 awards
- UNIVERSITY OF COLORADO DENVER — 10 awards
- VANDERBILT UNIVERSITY MEDICAL CENTER — 9 awards
- UNIVERSITY OF MINNESOTA — 9 awards
Recently Awarded Obesity research Grants
Twelve most recent awards mentioning Obesity, drawn from NIH RePORTER. Click through to Find PIs for the full investigator search.
Investigating lipid droplet regulation and function in the developing neural tube
1R21HD123148-01Lee Niswander · UNIVERSITY OF COLORADO, CO · $430,375 · awarded Aug 28, 2026 · R21Summary The prevalence of lipid abnormalities and metabolic syndromes has increased significantly in recent years in the United States. These metabolic disorders affect not only the adult living with them but can also adversely affect the embryo and fetus during pregnancy. Maternal type two diabetes and obesity are associated with an increased risk for…
First taste, lasting impact: Early-life exposure to added sugars from infant formula and complementary foods on glucose variability and obesity risk.
1R01DK149491-01Kai Ling Kong · CHILDREN'S MERCY HOSP (KANSAS CITY, MO), MO · $532,087 · awarded Aug 28, 2026 · R01ABSTRACT: Obesity and type 2 diabetes are global public health crises with origins rooted in early-life nutrition. While breastfeeding confers long-term metabolic protection, most U.S. infants are introduced to formula within the first 6 months of life. Our recent work shows that infants consuming formula with higher added sugar content gain weight more…
Investigating the Role of Macrophages in Heart Failure with Preserved Ejection Fraction
5R00HL157689-05Niranjana Natarajan · UNIVERSITY OF PITTSBURGH AT PITTSBURGH, PA · $249,000 · awarded Aug 28, 2026 · R00CHALLENGE: Heart failure with preserved ejection fraction (HFpEF) is a complex clinical syndrome that presents with heart failure symptoms, unaltered left ventricular ejection fraction, and is associated with comorbidities including obesity, diabetes and metabolic syndrome. HFpEF accounts for ~50% of all heart failure (HF) and is characterized by diastolic…
Vermont Center on Behavior and Health
5P30GM149331-04Stephen Higgins · UNIVERSITY OF VERMONT & ST AGRIC COLLEGE, VT · $1,113,044 · awarded Aug 28, 2026 · P30PROJECT SUMMARY Overall Plan The overarching goal of this application for a Phase 3 Center of Biomedical Research Excellence (COBRE) award is to firmly establish the Vermont Center on Behavior and Health (VCBH) at the University of Vermont (UVM) as a sustainable center of research excellence. This multidisciplinary center investigates relationships between…
Evaluating impacts of a food prescription program embedded into a health plan for dually-eligible older adults: A natural experiment
1R01NR022318-01Melissa Horning · UNIVERSITY OF MINNESOTA, MN · $595,958 · awarded Aug 28, 2026 · R01PROJECT SUMMARY/ABSTRACT Impacting 1 in 5 older adults with low incomes, food insecurity is the uncertain or insufficient access to enough food for an active, healthy life. Food insecurity has been linked to serious outcomes—like heart disease, diabetes, and premature death. Older adults with low incomes and dual eligibility for Medicare and Medicaid are…
Myocardial Fibrosis and Steatosis Burden and Region-Specific Predictors of Progression among ART-treated Women with HIV infection in sub-Saharan Africa (The MUTIMA Study)
3R01HL167645-04S1Chris Longenecker · UNIVERSITY OF WASHINGTON, WA · $164,709 · awarded Aug 28, 2026 · R01Project Summary/Abstract Heart failure (HF) is a major barrier to healthy aging among people with HIV (PWH) in sub-Saharan Africa (SSA). Women with HIV (WWH) may be most vulnerable, with a nearly two-fold increased risk for HIV- attributable HF among women vs. men. Why HIV-attributable HF risk is higher in women is incompletely understood, but among WWH,…
Myocardial Fibrosis and Steatosis Burden and Region-Specific Predictors of Progression among ART-treated Women with HIV infection in sub-Saharan Africa (The MUTIMA Study)
3R01HL167645-04S2Chris Longenecker · UNIVERSITY OF WASHINGTON, WA · $347,491 · awarded Aug 28, 2026 · R01Project Summary/Abstract Heart failure (HF) is a major barrier to healthy aging among people with HIV (PWH) in sub-Saharan Africa (SSA). Women with HIV (WWH) may be most vulnerable, with a nearly two-fold increased risk for HIV- attributable HF among women vs. men. Why HIV-attributable HF risk is higher in women is incompletely understood, but among WWH,…
Factors Impacting Global Health: The Importance of Individualized Treatment Goals for Black Breast Cancer Survivors
5F31CA294988-03Kelsey Sinclair · TRUSTEES OF INDIANA UNIVERSITY, IN · $38,928 · awarded Aug 28, 2026 · F31This F31 award will allow Kelsey Sinclair (PI) the research training that will advance her toward her goal of becoming an independent cancer multimorbidity scientist with an expertise in intervention adaptation and implementation to optimize cancer care in underserved groups. Cancer-obesity co-morbidity is common and especially deadly for Black breast…
Water Contaminants and Cardiovascular Risk: the Jackson Heart Study
5R01HL175323-03April Carson · UNIVERSITY OF MISSISSIPPI MED CTR, MS · $1,015,175 · awarded Aug 28, 2026 · R01In Jackson, MS, decades of inadequate public water system infrastructure have resulted in disruptions to water access and diminished water quality. Jackson has been under a consent decree since 2012 for failing to meet operational and maintenance standards and continues to have boil water notices issued regularly, eliciting concern about the health effects…
The impact of dietary fatty acids and TNF-alpha on neuropathy associated with metabolic syndrome
1R01DK149012-01Amy Rumora · COLUMBIA UNIVERSITY HEALTH SCIENCES, NY · $798,942 · awarded Aug 28, 2026 · R01Abstract Peripheral neuropathy (PN) is a common complication of diabetes, prediabetes, and the metabolic syndrome. PN causes a progressive decrease in sensory function resulting in severe morbidity characterized by loss of sensation, poor balance, and can eventually lead to amputation of the effected limb. Despite the prevalence and debilitating nature of…
P7C3 based small molecule for Heart failure treatment
4R33HL170457-03Srinivas Tipparaju · UNIVERSITY OF SOUTH FLORIDA, FL · $488,975 · awarded Aug 28, 2026 · R33Summary NAD+ is biosynthesized mainly through the salvage pathway and is central for cellular homeostasis and energy production. Deficiency of NAD+ results in disruption of cellular functions, leading to decreased ability to regenerate and repair. In heart failure (HF), the heart undergoes metabolic disruption leading to redox imbalance with increased…
Regulation of lymphatic muscle cell function by store operated calcium entry signaling
5R01HL175083-03Scott Zawieja · UNIVERSITY OF MISSOURI-COLUMBIA, MO · $558,376 · awarded Aug 28, 2026 · R01PROJECT SUMMARY Secondary lymphedema poses a significant financial and health burden afflicting 1 in 1000 Americans, resulting in a debilitating and incurable swelling and fibrosis in the affected extremity or tissue. The prevailing hypothesis for the pathogenesis of secondary lymphedema posits a role for lymphatic collecting vessel (cLV) pump failure in…
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