Conjugated Linoleic Acid for Chronic Inflammation
D Early Research Only preliminary research exists (lab studies, case reports).Animal studies show CLA may have immunomodulatory effects via PPAR-gamma activation. Human evidence for immune-specific outcomes is limited and inconsistent, with some studies showing no significant benefit.
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D
The Bottom Line
Animal studies show CLA may have immunomodulatory effects via PPAR-gamma activation. Human evidence for immune-specific outcomes is limited and inconsistent, with some studies showing no significant benefit.
Key Study Findings
Review
A perspective on the chemical structures and molecular mechanisms of curcumin and its derivatives and …
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: Review of curcumin derivatives in cancer treatment
Review
Protective Role of Dietary Polyphenols in the Management and Treatment of Type 2 Diabetes Mellitus.
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: review of dietary polyphenols in type 2 diabetes mellitus management
Review
Which Approach to Choose to Counteract Musculoskeletal Aging? A Comprehensive Review on the Multiple Effects …
Dose: None
vs: None
Outcome: Musculoskeletal aging and cellular senescence
Effect: None
None
Population: Aging adults with musculoskeletal decline (review)
Review
Retracted: Chronic Epipharyngitis Treated with Epipharyngeal Abrasion Therapy: Symptoms, Diagnosis, Pathogenesis, and Treatment Outcomes.
Dose: 1% zinc chloride solution
vs: None
Outcome: Chronic epipharyngitis symptom improvement
Effect: None
None
Population: Patients with chronic epipharyngitis (retracted publication)
Systematic Review
Research progress on traditional Chinese medicine compounds in autoimmune-related skin diseases.
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: Review of TCM compounds in autoimmune skin diseases
Other
The omega effect: Harnessing fish oil for health.
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: None
Key Statistics
3
Studies
150
Participants
↔
Mixed
D
Grade
Referenced Papers
Protective Role of Dietary Polyphenols in the Management and Treatment of Type 2 Diabetes Mellitus.
Review
Nutrients
2025
32 citations
International journal of …
2025
5 citations
International journal of …
2025
2 citations
Research progress on traditional Chinese medicine compounds in autoimmune-related skin diseases.
Systematic Review
Frontiers in immunology
2025
1 citations
Atherosclerosis
2025
JMA journal
2025
Journal of clinical …
2024
29 citations
Molecular nutrition & …
2024
15 citations
Newborn (Clarksville, Md.)
2024
9 citations
Nutrients
2024
7 citations
Advances in rheumatology …
2024
Current molecular pharmacology
2023
72 citations
Immunological investigations
2023
13 citations
International immunopharmacology
2023
8 citations
International journal of …
2022
26 citations
Effect of omega-3 fatty acids on the telomere length: A mini meta-analysis of clinical trials.
Meta-Analysis
Biomolecular concepts
2022
18 citations
Foods (Basel, Switzerland)
2022
9 citations
Nutrients
2021
36 citations
Frontiers in medicine
2021
6 citations
Naunyn-Schmiedeberg's archives of …
2020
37 citations
Redox modulatory protective effects of ω-3 fatty acids rich fish oil against experimental colitis.
Other
Toxicology mechanisms and …
2019
33 citations
Abnormal lipoprotein oxylipins in metabolic syndrome and partial correction by omega-3 fatty acids.
RCT
Prostaglandins, leukotrienes, and …
2018
38 citations
MiR-663, a MicroRNA Linked with Inflammation and Cancer That Is under the Influence of Resveratrol.
Review
Medicines (Basel, Switzerland)
2018
23 citations
Current pharmaceutical design
2017
168 citations
Lipids
2017
21 citations
BMC medicine
2015
230 citations
Blood cells, molecules …
2015
53 citations
Lipids
2012
28 citations
The Journal of …
2010
32 citations
Lipids in health …
2010
7 citations
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- general:
- 1.5-3 g/day
Upper limit: No established UL
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| 1% zinc chloride solution | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| 200 mg | 5 weeks | Positive | -- |
| None | -- | Positive | -- |
Best taken: With meals
Safety & Side Effects
Reported Side Effects
- ⚠ Gastrointestinal discomfort (nausea, diarrhea)
- ⚠ Fatigue
- ⚠ May worsen insulin sensitivity in some individuals
- ⚠ Liver fat accumulation (some formulations)
Known Interactions
- ● Diabetes medications (may affect insulin sensitivity)
- ● Anticoagulants (may have additive effects)
Tolerable upper intake: No established UL
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Conjugated Linoleic Acid help with Chronic Inflammation?
Based on 3 studies with 150 participants, there is preliminary evidence that needs more research that Conjugated Linoleic Acid may support Chronic Inflammation management. Our evidence grade is D (Very Early Research).
How much Conjugated Linoleic Acid should I take for Chronic Inflammation?
Studies have used various dosages. A commonly studied range is 1.5-3 g/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Conjugated Linoleic Acid?
Reported side effects may include Gastrointestinal discomfort (nausea, diarrhea), Fatigue, May worsen insulin sensitivity in some individuals, Liver fat accumulation (some formulations). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Conjugated Linoleic Acid and Chronic Inflammation?
We rate the evidence as Grade D (Very Early Research). This rating is based on 3 peer-reviewed studies with 150 total participants. The overall direction of effect is mixed.
Related Evidence
Other ingredients for Chronic Inflammation
References
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- [2] Angela Falvino et al.. Int J Mol Sci. 2025. Which Approach to Choose to Counteract Musculoskeletal Aging? A Comprehensive Review on the Multiple Effects of Exercise. doi:10.3390/ijms26157573 PubMed
- [3] Lujie Zhu et al.. Int J Oncol. 2025. A perspective on the chemical structures and molecular mechanisms of curcumin and its derivatives and analogs in cancer treatment (Review). doi:10.3892/ijo.2025.5782 PubMed
- [4] Yuhan Wang et al.. Front Immunol. 2025. Research progress on traditional Chinese medicine compounds in autoimmune-related skin diseases. doi:10.3389/fimmu.2025.1629288 PubMed
- [5] Jacques D Barth. Atherosclerosis. 2025. The omega effect: Harnessing fish oil for health. doi:10.1016/j.atherosclerosis.2025.120461 PubMed
- [6] Yasuaki Harabuchi et al.. JMA J. 2025. Retracted: Chronic Epipharyngitis Treated with Epipharyngeal Abrasion Therapy: Symptoms, Diagnosis, Pathogenesis, and Treatment Outcomes. doi:10.31662/jmaj.2024-0437 PubMed
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- [16] Sawan Ali et al.. Biomol Concepts. 2022. Effect of omega-3 fatty acids on the telomere length: A mini meta-analysis of clinical trials. doi:10.1515/bmc-2021-0024 PubMed
- [17] Monica Tognocchi et al.. Foods. 2022. Supplementation of Enriched Polyunsaturated Fatty Acids and CLA Cheese on High Fat Diet: Effects on Lipid Metabolism and Fat Profile. doi:10.3390/foods11030398 PubMed
- [18] Rosaria Varì et al.. Nutrients. 2021. Obesity-Associated Inflammation: Does Curcumin Exert a Beneficial Role? doi:10.3390/nu13031021 PubMed
- [19] Sanja Lalic-Cosic et al.. Front Med (Lausanne). 2021. Phosphatidylserine Exposing Extracellular Vesicles in Pre-eclamptic Patients. doi:10.3389/fmed.2021.761453 PubMed
- [20] Yuxin Xian et al.. Naunyn Schmiedebergs Arch Pharmacol. 2020. Resveratrol prevents diabetic nephropathy by reducing chronic inflammation and improving the blood glucose memory effect in non-obese diabetic mice. doi:10.1007/s00210-019-01777-1 PubMed
- [21] Mohita Sharma et al.. Toxicol Mech Methods. 2019. Redox modulatory protective effects of ω-3 fatty acids rich fish oil against experimental colitis. doi:10.1080/15376516.2018.1553220 PubMed
- [22] Gregory C Shearer et al.. Prostaglandins Leukot Essent Fatty Acids. 2018. Abnormal lipoprotein oxylipins in metabolic syndrome and partial correction by omega-3 fatty acids. doi:10.1016/j.plefa.2017.10.006 PubMed
- [23] Jean-Jacques Michaille et al.. Medicines (Basel). 2018. MiR-663, a MicroRNA Linked with Inflammation and Cancer That Is under the Influence of Resveratrol. doi:10.3390/medicines5030074 PubMed
- [24] Morteza Ghandadi et al.. Curr Pharm Des. 2017. Curcumin: An Effective Inhibitor of Interleukin-6. doi:10.2174/1381612822666161006151605 PubMed
- [25] Jake M Olson et al.. Lipids. 2017. A Comparison of the Anti-Inflammatory Effects of Cis-9, Trans-11 Conjugated Linoleic Acid to Celecoxib in the Collagen-Induced Arthritis Model. doi:10.1007/s11745-016-4228-8 PubMed
- [26] Gerwyn Morris et al.. BMC Med. 2015. The many roads to mitochondrial dysfunction in neuroimmune and neuropsychiatric disorders. doi:10.1186/s12916-015-0310-y PubMed
- [27] Ahmed A Daak et al.. Blood Cells Mol Dis. 2015. Omega 3 (n-3) fatty acids down-regulate nuclear factor-kappa B (NF-κB) gene and blood cell adhesion molecule expression in patients with … doi:10.1016/j.bcmd.2015.03.014 PubMed
- [28] Meaghan Reardon et al.. Lipids. 2012. Oleic acid attenuates trans-10,cis-12 conjugated linoleic acid-mediated inflammatory gene expression in human adipocytes. doi:10.1007/s11745-012-3711-0 PubMed
- [29] Shane M Huebner et al.. J Nutr. 2010. Individual isomers of conjugated linoleic acid reduce inflammation associated with established collagen-induced arthritis in DBA/1 mice. doi:10.3945/jn.109.120527 PubMed
- [30] Aurelio Ocaña et al.. Lipids Health Dis. 2010. In vitro study of the effect of diesterified alkoxyglycerols with conjugated linoleic acid on adipocyte inflammatory mediators. doi:10.1186/1476-511X-9-36 PubMed
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.