Cannabinoid Encyclopedia

How cannabinoids work

What is GPR119?

A simple explanation of GPR119, why cannabinoid researchers study it, and what its biology can and cannot tell us.

Updated July 2026 8 research sources Human research included

The short answer

Where GPR119 fits into cannabinoid biology

GPR119 is a biological target studied to understand how cannabinoids affect cells and signaling. Research on Anandamide and Endocannabinoids helps explain possible mechanisms. This page brings together 1 human-study source, 6 research reviews, and 1 lab, animal, or mechanism source. The source set includes human research as well as earlier-stage studies. A mechanism alone does not prove that a cannabinoid will produce a health benefit in people. 1

Choose your next step

Want the quick path or the full picture?

Use this guide the way you need to. Start with the practical question, then open the study detail only when it helps answer something about GPR119.

What researchers studiedSee the main areas and the evidence behind each one. Safety and limitsKeep product, dose, medications, and context in view. Open the sourcesGo directly to the studies and references used here.

Key takeaways

What to know first

  1. 1

    Research on GPR119 covers Anandamide and Endocannabinoids; those areas should not be combined into one claim. 1

  2. 2

    The source set includes human research as well as earlier-stage studies. 2

  3. 3

    Dose, formulation, route, study population, and outcome can change how closely a study applies to a real-world question. 3

Research areas

What researchers studied about GPR119

These are the main questions represented in the current literature. Each link opens a source used to build the overview.

Too limited for a firm answer

Anandamide

Studies examine how Anandamide connects with GPR119 or closely related target biology. These findings help explain signaling and pharmacology, not a guaranteed health effect. 2

Human and early-stage research

Endocannabinoids

Studies examine how Endocannabinoids connects with GPR119 or closely related target biology. These findings help explain signaling and pharmacology, not a guaranteed health effect. 3

How strong is the research?

Not every study answers the same question

This page separates research in people, research reviews, and earlier-stage biology before interpreting the larger question.

1 source

Human studies

Research involving people is closest to everyday health questions. The product, dose, population, and outcome still determine what each study can show.

6 sources

Reviews and evidence summaries

Reviews can compare several studies at once. Their conclusion is only as strong and as relevant as the studies they include.

1 source

Lab, animal, and mechanism research

Early-stage research can explain biological interest. It cannot, by itself, show that the same effect happens in people.

What these studies actually looked at

The research on GPR119 is not one kind of study. This source set includes 6 narrative or expert reviews and 1 animal study. 3

The recorded populations or models include animal models (2 sources) and people or patients (2 sources). A result from one group or model should not be assumed to apply to another. 4

The most common recorded outcome focus is gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology (8 sources). Closely related outcome names can still describe different measurements. 5

The GPR119 source set also contains findings or reviews that remain too limited, indirect, or mixed for a broad answer. That uncertainty is part of the result, not an empty space to fill with assumptions. 6

Examples from the literature

What did the studies actually look at?

Each example names the research question and the study details recorded for that source.

animal study

Regulation of GPR119 receptor activity with endocannabinoid-like lipids.

On this page, this source examines Endocannabinoids activity involving GPR119. 1

Study type
animal study
Population or model
animal models
Outcome focus
gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology
Evidence stage
mechanism-focused research

narrative or expert review

N-acylethanolamines, anandamide and food intake.

On this page, this source examines Anandamide activity involving GPR119. 2

Study type
narrative or expert review
Outcome focus
gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology
Evidence stage
evidence still limited

narrative or expert review

Endocannabinoids and nutrition.

On this page, this source examines Endocannabinoids activity involving GPR119. 3

Study type
narrative or expert review
Population or model
people or patients
Outcome focus
gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology
Evidence stage
evidence still limited

human research

Members of the endocannabinoid system are distinctly regulated in inflammatory bowel disease and colorectal cancer.

On this page, this source examines Endocannabinoids activity involving GPR119. 4

Population or model
people or patients
Outcome focus
gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology
Evidence stage
human research

narrative or expert review

Fatty acid amide hydrolase (FAAH) and the endocannabinoid system in obesity: Mechanistic insights and pharmacological opportunities beyond incretin-based therapies.

On this page, this source examines Endocannabinoids activity involving GPR119. 5

Study type
narrative or expert review
Outcome focus
gPR119 receptor activity, binding, signaling, metabolic physiology, or pharmacology
Evidence stage
evidence still limited

Safety and limits

What should readers keep in mind?

Research on GPR119 should be read beside safety. A compound can be non-intoxicating or naturally occurring and still have pharmacologic effects, side effects, interactions, or product-quality concerns. 2

Research doses are descriptions of what a study tested. They are not personal dosing instructions. Questions involving medications, pregnancy, children, driving, liver health, heart health, or serious symptoms deserve professional medical guidance.

Drug interactions Pregnancy and children Driving and impairment All safety topics

Common questions

Questions people ask

What does GPR119 do?

GPR119 is studied as part of cannabinoid-related biology and signaling. The exact role depends on the tissue, compound, and experimental setting. 7

Does a biological mechanism prove a health effect?

No. A mechanism can explain why an idea is plausible, but human studies are needed to test whether it changes a health outcome. 8

What research is linked to GPR119?

The main areas on this page include Anandamide and Endocannabinoids. The source links show the study type behind each area. 1

Sources

Read the research

The numbered sources below support the main overview. Links open the PubMed record or DOI in a new tab.

  1. 1
    Regulation of GPR119 receptor activity with endocannabinoid-like lipids. animal study; mechanism-focused research PubMed 23074242 DOI 10.1152/ajpendo.00269.2012
  2. 2
    N-acylethanolamines, anandamide and food intake. narrative or expert review; evidence still limited PubMed 19413995 DOI 10.1016/j.bcp.2009.04.024
  3. 3
    Endocannabinoids and nutrition. narrative or expert review; evidence still limited PubMed 18426507 DOI 10.1111/j.1365-2826.2008.01687.x
  4. 4
    Members of the endocannabinoid system are distinctly regulated in inflammatory bowel disease and colorectal cancer. human research PubMed 30787385 DOI 10.1038/s41598-019-38865-4
  5. 5
    Fatty acid amide hydrolase (FAAH) and the endocannabinoid system in obesity: Mechanistic insights and pharmacological opportunities beyond incretin-based therapies. narrative or expert review; evidence still limited PubMed 42144898 DOI 10.1111/bph.70511
  6. 6
    Oleoylethanolamide: A novel pharmaceutical agent in the management of obesity-an updated review. narrative or expert review; evidence still limited PubMed 30537148 DOI 10.1002/jcp.27913
  7. 7
    Palmitoylethanolamide and other anandamide congeners. Proposed role in the diseased brain. narrative or expert review; evidence still limited PubMed 20353771 DOI 10.1016/j.expneurol.2010.03.022
  8. 8
    Role of acylethanolamides in the gastrointestinal tract with special reference to food intake and energy balance. narrative or expert review; evidence still limited PubMed 19285259 DOI 10.1016/j.beem.2008.10.003
See all 8 research sources

This complete source list is the deeper research layer for the page. Study type and evidence context are shown when they are available in the current record.

  1. Endocannabinoids and nutrition. narrative or expert review; evidence still limited / 1 linked research note PubMed 18426507
  2. N-acylethanolamines, anandamide and food intake. narrative or expert review; evidence still limited / 1 linked research note PubMed 19413995
  3. Palmitoylethanolamide and other anandamide congeners. Proposed role in the diseased brain. narrative or expert review; evidence still limited / 1 linked research note PubMed 20353771
  4. Role of acylethanolamides in the gastrointestinal tract with special reference to food intake and energy balance. narrative or expert review; evidence still limited / 1 linked research note PubMed 19285259
  5. Regulation of GPR119 receptor activity with endocannabinoid-like lipids. animal study; mechanism-focused research / 1 linked research note PubMed 23074242
  6. Members of the endocannabinoid system are distinctly regulated in inflammatory bowel disease and colorectal cancer. human research / 1 linked research note PubMed 30787385
  7. Fatty acid amide hydrolase (FAAH) and the endocannabinoid system in obesity: Mechanistic insights and pharmacological opportunities beyond incretin-based therapies. narrative or expert review; evidence still limited / 1 linked research note PubMed 42144898
  8. Oleoylethanolamide: A novel pharmaceutical agent in the management of obesity-an updated review. narrative or expert review; evidence still limited / 1 linked research note PubMed 30537148