Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 37 Researches
7.4
USERS' SCORE
Good
Based on 5 Reviews
8.3
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Calories
10
 
Total Fat
1 g
1%
Saturated Fat
0 g
0%
Trans Fat
0 g
**
Polyunsaturated Fat
0.5 g
**
Monounsaturated Fat
0 g
**
Cholesterol
10 mg
3%
Omega-3 Fish Oil
1000 mg
**
EPA (Eicosapentaenoic Acid)
180 mg
**
DHA (Docosahexaenoic Acid)
120 mg
**

Top Medical Research Studies

8
Omega-3 benefits joint health in RA
We analyzed various trials to see how omega-3 fish oil affects rheumatoid arthritis (RA). Our research included 18 randomized controlled studies with 1,018 RA patients. The results showed omega-3 supplementation significantly increased beneficial omega-3 fatty acids, like EPA and DHA, and reduced triglycerides and tender joint count.

However, it didn't lead to significant changes in some inflammation markers and overall disease activity. While there are positive outcomes regarding certain symptoms, we found no remarkable evidence for its effectiveness in reducing inflammation levels.
Read More
9
DHA shows promise for osteoarthritis
We investigated how docosahexaenoic acid (DHA) impacts osteoarthritis (OA), which is a common joint disease in older adults. Using both human and rat models, we found that DHA can enhance chondrocyte (cartilage cells) growth while reducing cell death.

Moreover, DHA treatment thickened cartilage and lowered degeneration compared to untreated OA models. Additionally, it improved the overall health of chondrocytes by promoting autophagy, which helps recycle damaged cellular components. Our findings suggest that DHA could be a promising therapy for OA treatment.
Read More
8
Dietary influences on RA risk
We conducted a study to understand how various dietary factors, including oily fish, affect rheumatoid arthritis (RA). Through advanced genetic analysis, we found that higher consumption of certain foods, particularly oily fish, appears to lower the risk of developing RA. This suggests that incorporating more oily fish and cereal into our diets could be beneficial for those at risk or living with RA. However, other dietary factors did not show significant links to RA risk.
Read More

Most Useful Reviews

9
Joint health
8 people found this helpful
Fish oil is beneficial for the brain and boosts the immune system. It lowers blood pressure and improves joint mobility, which is vital for those suffering from arthritis. My therapist recommended it to stabilise my cholesterol. This is a high-quality product at a reasonable price. Our family takes it daily, and we notice no side effects. Highly recommended for everyone!
Read More
9
Inflammation reduction
2 people found this helpful
Omega-3 supports joint health and can prevent osteoporosis. It alleviates joint pain and reduces inflammation associated with arthritis. I have not experienced any side effects and take it regularly, enjoying excellent value for my money.
Read More
9
Pain management
I take large Omega-3 capsules, which are easy to swallow and beneficial for my arthritis. Omega-3 fatty acids help produce hormones that control inflammation and blood clotting, aiding in my overall health and potentially preventing heart disease and related conditions.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 37 Researches
7.4
  • All Researches
9
DHA shows promise for osteoarthritis
We investigated how docosahexaenoic acid (DHA) impacts osteoarthritis (OA), which is a common joint disease in older adults. Using both human and rat models, we found that DHA can enhance chondrocyte (cartilage cells) growth while reducing cell death.

Moreover, DHA treatment thickened cartilage and lowered degeneration compared to untreated OA models. Additionally, it improved the overall health of chondrocytes by promoting autophagy, which helps recycle damaged cellular components. Our findings suggest that DHA could be a promising therapy for OA treatment.
Read More
9
l-Serine and EPA effective for pain
We conducted a study to examine the effects of eicosapentaenoic acid (EPA) combined with l-serine on individuals suffering from chronic low-back and knee pain. This was a randomized, double-blind, placebo-controlled trial, ensuring rigorous evaluation of the treatment's impact.

Over the course of 12 weeks, we assessed participants using well-structured questionnaires to measure their pain levels and overall experience. Our group comprised 120 adults who, despite enduring persistent pain for more than three months, showed promising results from the active treatment.

It appears that EPA, known for its anti-inflammatory properties, alongside l-serine, which supports nerve function, provided noticeable relief from pain. By the end of the study, many participants experienced significant improvements in their pain scores, suggesting that this combination could be a valuable option for those managing arthritis-related discomfort.

It's encouraging to see how l-serine and EPA can help enhance the quality of life for individuals struggling with painful conditions, reinforcing their importance as potential treatments for arthritis-related pain.
Read More
9
We investigated the impact of eicosapentaenoic acid (EPA) on osteoarthritis (OA) progression through an innovative approach involving gelatin hydrogels. In our study, we divided ten-week-old male mice into six different groups, each receiving various treatments after undergoing surgery that mimicked OA. This design allowed us to effectively compare the benefits of EPA delivered directly and through hydrogels.

Our findings revealed that when EPA was delivered in gelatin hydrogels, it significantly outperformed EPA injection alone in slowing down OA progression. Specifically, we measured several inflammatory markers and found that the group receiving the gelatin hydrogels exhibited lower levels of harmful proteins linked to inflammation and cartilage damage compared to those receiving just the EPA injections.

This suggests that the controlled release of EPA from these hydrogels can be a promising new strategy for treating OA. The potential benefits of gelatin hydrogels in enhancing the effectiveness of EPA treatment present a valuable insight for future therapeutic approaches addressing arthritis.
Read More
9
Docosahexaenoic acid reduces arthritis
We examined the effects of lipid mediators derived from docosahexaenoic acid (DHA) on arthritis, particularly focusing on rheumatoid arthritis (RA). The study utilized a model involving mice with collagen antibody-induced arthritis (CAIA) and RAW264.7 cells to investigate the role of these mediators in reducing inflammation and joint damage.

The lipid mediators were produced by soybean lipoxygenase from DHA and included substances known for their anti-inflammatory properties. We found that these mediators significantly reduced symptoms in CAIA mice, evidenced by decreased paw swelling and reduced progression of arthritis. In the cellular studies, these mediators inhibited the formation of bone-resorbing cells called osteoclasts, while also downregulating key inflammatory markers.

Following treatment, there were notable improvements in serum cytokine levels, with a decrease in pro-inflammatory cytokines like TNF-α and IL-6, and an increase in the anti-inflammatory cytokine IL-10. Additionally, joint inflammation and damage were reduced, hinting at a complex relationship involving various signaling pathways.

These findings indicate that lipid mediators derived from DHA may offer a promising approach to alleviating symptoms of RA, though the precise individual contributions of DHA alone are difficult to isolate due to the presence of other components in the intervention.
Read More
We observed a fascinating case involving a 22-year-old woman with juvenile idiopathic arthritis who was put on a very low calorie ketogenic diet (VLCKD). This diet included high-biological-value protein preparations that featured docosahexaenoic acid (DHA), an omega-3 fatty acid known for its potential health benefits.

The woman saw improvements in her overall weight and health after four months on this diet, including a noticeable reduction in joint pain and headaches. Laboratory tests indicated that her inflammatory markers returned to normal levels, suggesting that the dietary changes—including DHA—might have played a positive role in her experience.

However, it’s essential to note that while DHA is included in the treatment regimen, the isolated effect of DHA on her arthritis symptoms is challenging to determine definitively. This case highlights the potential benefits of dietary interventions for inflammatory conditions but also points to the need for further research to isolate the effects of specific dietary components like DHA.
Read More

User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.3
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Joint health
8 people found this helpful
Fish oil is beneficial for the brain and boosts the immune system. It lowers blood pressure and improves joint mobility, which is vital for those suffering from arthritis. My therapist recommended it to stabilise my cholesterol. This is a high-quality product at a reasonable price. Our family takes it daily, and we notice no side effects. Highly recommended for everyone!
Read More
9
Inflammation reduction
2 people found this helpful
Omega-3 supports joint health and can prevent osteoporosis. It alleviates joint pain and reduces inflammation associated with arthritis. I have not experienced any side effects and take it regularly, enjoying excellent value for my money.
Read More
9
Pain management
I take large Omega-3 capsules, which are easy to swallow and beneficial for my arthritis. Omega-3 fatty acids help produce hormones that control inflammation and blood clotting, aiding in my overall health and potentially preventing heart disease and related conditions.
Read More
7.5
Pain relief
33 people found this helpful
"Mega" omega!!! An excellent fish oil with natural concentrate, rich in polyunsaturated fatty acids. It dramatically reduces cholesterol and acts as a preventive measure for cardiovascular diseases. Omega-3 aids in joint pain from arthritis and improves skin conditions. It also enhances brain function, regulating metabolism and the immune system. I take 3-4 capsules daily with meals. If my review was useful, please click "YES" at the bottom. Wishing you health and happy shopping on iHerb!
Read More
7.5
Joint flexibility
1 people found this helpful
Omega-3 fish oil may prevent osteoporosis, especially in menopausal women. It improves joint health and mobility while reducing inflammation and discomfort from arthritis. The anti-inflammatory effects are notable, especially under menstrual pain.
Read More

Frequently Asked Questions

7.5
Pain relief
33 people found this helpful
"Mega" omega!!! An excellent fish oil with natural concentrate, rich in polyunsaturated fatty acids. It dramatically reduces cholesterol and acts as a preventive measure for cardiovascular diseases. Omega-3 aids in joint pain from arthritis and improves skin conditions. It also enhances brain function, regulating metabolism and the immune system. I take 3-4 capsules daily with meals. If my review was useful, please click "YES" at the bottom. Wishing you health and happy shopping on iHerb!
9
Inflammation reduction
2 people found this helpful
Omega-3 supports joint health and can prevent osteoporosis. It alleviates joint pain and reduces inflammation associated with arthritis. I have not experienced any side effects and take it regularly, enjoying excellent value for my money.
9
Joint health
8 people found this helpful
Fish oil is beneficial for the brain and boosts the immune system. It lowers blood pressure and improves joint mobility, which is vital for those suffering from arthritis. My therapist recommended it to stabilise my cholesterol. This is a high-quality product at a reasonable price. Our family takes it daily, and we notice no side effects. Highly recommended for everyone!
7.5
Joint flexibility
1 people found this helpful
Omega-3 fish oil may prevent osteoporosis, especially in menopausal women. It improves joint health and mobility while reducing inflammation and discomfort from arthritis. The anti-inflammatory effects are notable, especially under menstrual pain.
9
Pain management
I take large Omega-3 capsules, which are easy to swallow and beneficial for my arthritis. Omega-3 fatty acids help produce hormones that control inflammation and blood clotting, aiding in my overall health and potentially preventing heart disease and related conditions.
8
Omega-3 benefits joint health in RA
We analyzed various trials to see how omega-3 fish oil affects rheumatoid arthritis (RA). Our research included 18 randomized controlled studies with 1,018 RA patients. The results showed omega-3 supplementation significantly increased beneficial omega-3 fatty acids, like EPA and DHA, and reduced triglycerides and tender joint count.

However, it didn't lead to significant changes in some inflammation markers and overall disease activity. While there are positive outcomes regarding certain symptoms, we found no remarkable evidence for its effectiveness in reducing inflammation levels.
9
DHA shows promise for osteoarthritis
We investigated how docosahexaenoic acid (DHA) impacts osteoarthritis (OA), which is a common joint disease in older adults. Using both human and rat models, we found that DHA can enhance chondrocyte (cartilage cells) growth while reducing cell death.

Moreover, DHA treatment thickened cartilage and lowered degeneration compared to untreated OA models. Additionally, it improved the overall health of chondrocytes by promoting autophagy, which helps recycle damaged cellular components. Our findings suggest that DHA could be a promising therapy for OA treatment.
We investigated the effects of omega-3 fatty acid supplements on rheumatoid arthritis using data from 23 randomized placebo-controlled trials. Our analysis showed only a small effect in reducing pain, joint tenderness, and swelling.

We observed that while there was a slight reduction in NSAID use, the overall benefit seemed limited. The findings also indicated very low to low quality evidence, suggesting that previous claims of significant benefits could be overstated due to issues with study design.

References

  1. Marushack GK, Savadipour A, Tang R, Garcia-Castorena JM, Rashidi N, et al. Polyunsaturated fatty acids suppress PIEZO ion channel mechanotransduction in articular chondrocytes. FASEB J. 2025;39:e70290. doi:10.1096/fj.202400544RR
  2. Wang Y, Hu S, Zhang W, Zhang B, Yang Z. Dietary factors and rheumatoid arthritis: new perspectives from a Mendelian randomisation analysis. Br J Nutr. 2025;133:107. doi:10.1017/S0007114524002721
  3. Wang W, Xu Y, Zhou J, Zang Y. Effects of omega-3 supplementation on lipid metabolism, inflammation, and disease activity in rheumatoid arthritis: a meta-analysis of randomized controlled trials. Clin Rheumatol. 2024;43:2479. doi:10.1007/s10067-024-07040-0
  4. Scherer D, Leite BF, Morimoto MA, Oliveira TL, Klemz BNC, et al. Nutritional effect on lipoproteins and their subfractions in patients with Psoriatic Arthritis: a 12-week randomized trial-the DIETA trial. Adv Rheumatol. 2024;64:47. doi:10.1186/s42358-024-00389-5
  5. Liu Y, Song F, Liu M, Huang X, Xue S, et al. Association between omega-3 polyunsaturated fatty acids and osteoarthritis: results from the NHANES 2003-2016 and Mendelian randomization study. Lipids Health Dis. 2024;23:147. doi:10.1186/s12944-024-02139-4
  6. Kang T, Xi Y, Qian T, Lu S, Du M, et al. Exploring the link between dietary omega-3 and omega-6 fatty acid intake and rheumatoid arthritis risk: NHANES 1999-2020 study. Clin Exp Rheumatol. 2024;42:1720. doi:10.55563/clinexprheumatol/91tmfb
  7. Laevski AM, Doucet MR, Doucet MS, LeBlanc AA, Pineau PE, et al. Dietary omega-3 fatty acids modulate the production of platelet-derived microvesicles in an in vivo inflammatory arthritis model. Eur J Nutr. 2024;63:2221. doi:10.1007/s00394-024-03397-9
  8. Doucet MR, Laevski AM, Doiron JA, Boudreau LH, Surette ME. Locomotor activity as an effective measure of the severity of inflammatory arthritis in a mouse model. PLoS One. 2024;19:e0291399. doi:10.1371/journal.pone.0291399
  9. Xiong T, Huang S, Wang X, Shi Y, He J, et al. n-3 polyunsaturated fatty acids alleviate the progression of obesity-related osteoarthritis and protect cartilage through inhibiting the HMGB1-RAGE/TLR4 signaling pathway. Int Immunopharmacol. 2024;128:111498. doi:10.1016/j.intimp.2024.111498
  10. Yu H, Gong Z, Wang G, Cao R, Yin H, et al. DHA attenuates cartilage degeneration by mediating apoptosis and autophagy in human chondrocytes and rat models of osteoarthritis. In Vitro Cell Dev Biol Anim. 2023;59:455. doi:10.1007/s11626-023-00781-3
  11. Léger T, Brun A, Lanchais K, Rigaudière JP, Briat A, et al. Docosahexaenoic acid and etanercept could reduce functional and metabolic alterations during collagen-induced arthritis in rats without any synergistic effect. Life Sci. 2023;327:121826. doi:10.1016/j.lfs.2023.121826
  12. Marchand NE, Choi MY, Oakes EG, Cook NR, Stevens E, et al. Over-the-counter fish oil supplementation and pro-resolving and pro-inflammatory lipid mediators in rheumatoid arthritis. Prostaglandins Leukot Essent Fatty Acids. 2023;190:102542. doi:10.1016/j.plefa.2023.102542
  13. Feng L, Yang Z, Li Y, Hou N, Yang B, et al. Malat1 attenuated the rescuing effects of docosahexaenoic acid on osteoarthritis treatment via repressing its chondroprotective and chondrogenesis activities. Biomed Pharmacother. 2022;154:113608. doi:10.1016/j.biopha.2022.113608
  14. Gkiouras K, Grammatikopoulou MG, Myrogiannis I, Papamitsou T, Rigopoulou EI, et al. Efficacy of n-3 fatty acid supplementation on rheumatoid arthritis' disease activity indicators: a systematic review and meta-analysis of randomized placebo-controlled trials. Crit Rev Food Sci Nutr. 2024;64:16. doi:10.1080/10408398.2022.2104210
  15. Sigaux J, Bellicha A, Buscail C, Julia C, Flipo RM, et al. Serum Fatty Acid Profiles Are Associated with Disease Activity in Early Rheumatoid Arthritis: Results from the ESPOIR Cohort. Nutrients. 2022;14. doi:10.3390/nu14142947
  16. Stonehouse W, Benassi-Evans B, Bednarz J, Vincent AD, Hall S, et al. Krill oil improved osteoarthritic knee pain in adults with mild to moderate knee osteoarthritis: a 6-month multicenter, randomized, double-blind, placebo-controlled trial. Am J Clin Nutr. 2022;116:672. doi:10.1093/ajcn/nqac125
  17. Jannas-Vela S, Candia AA, Peñailillo L, Barrios-Troncoso P, Zapata-Urzúa J, et al. Role of specialized pro-resolving mediators on inflammation, cardiometabolic health, disease progression, and quality of life after omega-3 PUFA supplementation and aerobic exercise training in individuals with rheumatoid arthritis: a randomized 16-week, placebo-controlled interventional trial. F1000Res. 2023;12:942. doi:10.12688/f1000research.138392.1
  18. Deng C, Presle N, Pizard A, Guillaume C, Bianchi A, et al. Beneficial Impact of Eicosapentaenoic Acid on the Adverse Effects Induced by Palmitate and Hyperglycemia on Healthy Rat Chondrocyte. Int J Mol Sci. 2024;25. doi:10.3390/ijms25031810
  19. Poggioli R, Hirani K, Jogani VG, Ricordi C. Modulation of inflammation and immunity by omega-3 fatty acids: a possible role for prevention and to halt disease progression in autoimmune, viral, and age-related disorders. Eur Rev Med Pharmacol Sci. 2023;27:7380. doi:10.26355/eurrev_202308_33310
  20. Wadell AT, Bärebring L, Hulander E, Gjertsson I, Landberg R, et al. Dietary biomarkers and food records indicate compliance to study diets in the ADIRA (Anti-inflammatory Diet In Rheumatoid Arthritis) trial. Front Nutr. 2023;10:1209787. doi:10.3389/fnut.2023.1209787
  21. Lindqvist HM, Winkvist A, Gjertsson I, Calder PC, Armando AM, et al. Influence of Dietary n-3 Long Chain Polyunsaturated Fatty Acid Intake on Oxylipins in Erythrocytes of Women with Rheumatoid Arthritis. Molecules. 2023;28. doi:10.3390/molecules28020717
  22. Kuang X, Shao X, Li H, Jiang D, Gao T, et al. Lipid extract from blue mussel (Mytilus edulis) improves glycemic traits in Chinese type 2 diabetic mellitus patients: a double-blind randomized controlled trial. J Sci Food Agric. 2023;103:2970. doi:10.1002/jsfa.12346
  23. Eckert T, Jährling-Butkus M, Louton H, Burg-Roderfeld M, Zhang R, et al. Efficacy of Chondroprotective Food Supplements Based on Collagen Hydrolysate and Compounds Isolated from Marine Organisms. Mar Drugs. 2021;19. doi:10.3390/md19100542
  24. Ceotto BH, Figueroba SR, Ferreira LEN, Amorim KS, Sánchez JB, et al. The effect of association of aspirin and omega 3 in rat temporomandibular joint with induced arthritis. Ann Anat. 2022;239:151812. doi:10.1016/j.aanat.2021.151812
  25. Fan Z, Ross RP, Stanton C, Hou B, Zhao J, et al. CCFM1074 Alleviates Collagen-Induced Arthritis in Rats Balancing Treg/Th17 and Modulating the Metabolites and Gut Microbiota. Front Immunol. 2021;12:680073. doi:10.3389/fimmu.2021.680073
  26. Sasahara I, Yamamoto A, Takeshita M, Suga Y, Suzuki K, et al. l-Serine and EPA Relieve Chronic Low-Back and Knee Pain in Adults: A Randomized, Double-Blind, Placebo-Controlled Trial. J Nutr. 2020;150:2278. doi:10.1093/jn/nxaa156
  27. Brown Z, Metcalf R, Bednarz J, Spargo L, Lee A, et al. Modifiable Lifestyle Factors Associated With Response to Treatment in Early Rheumatoid Arthritis. ACR Open Rheumatol. 2020;2:371. doi:10.1002/acr2.11132
  28. Tsubosaka M, Kihara S, Hayashi S, Nagata J, Kuwahara T, et al. Gelatin hydrogels with eicosapentaenoic acid can prevent osteoarthritis progression in vivo in a mouse model. J Orthop Res. 2020;38:2157. doi:10.1002/jor.24688
  29. Gowler PRW, Arendt-Tranholm A, Turnbull J, Jha RR, Onion D, et al. Monocyte eukaryotic initiation factor 2 signaling differentiates 17-hydroxy-docosahexaenoic acid levels and pain. iScience. 2025;28:111862. doi:10.1016/j.isci.2025.111862
  30. Franks SJ, Gowler PRW, Dunster JL, Turnbull J, Gohir SA, et al. Modelling the role of enzymatic pathways in the metabolism of docosahexaenoic acid by monocytes and its association with osteoarthritic pain. Math Biosci. 2024;374:109228. doi:10.1016/j.mbs.2024.109228
  31. Su Y, Han Y, Choi HS, Lee GY, Cho HW, et al. Lipid mediators obtained from docosahexaenoic acid by soybean lipoxygenase attenuate RANKL-induced osteoclast differentiation and rheumatoid arthritis. Biomed Pharmacother. 2024;171:116153. doi:10.1016/j.biopha.2024.116153
  32. Rondanelli M, Patelli Z, Gasparri C, Mansueto F, Ferraris C, et al. Very low calorie ketogenic diet and common rheumatic disorders: A case report. World J Clin Cases. 2023;11:1985. doi:10.12998/wjcc.v11.i9.1985
  33. Jeong M, Shin JI, Cho J, Jeon YJ, Kim JH, et al. DHA Induces Cell Death through the Production of ROS and the Upregulation of CHOP in Fibroblast-like Synovial Cells from Human Rheumatoid Arthritis Patients. Int J Mol Sci. 2023;24. doi:10.3390/ijms24021734
  34. Xie R, Zhang Y. Association between 19 dietary fatty acids intake and rheumatoid arthritis: Results of a nationwide survey. Prostaglandins Leukot Essent Fatty Acids. 2023;188:102530. doi:10.1016/j.plefa.2022.102530
  35. Oppedisano F, Bulotta RM, Maiuolo J, Gliozzi M, Musolino V, et al. The Role of Nutraceuticals in Osteoarthritis Prevention and Treatment: Focus on n-3 PUFAs. Oxid Med Cell Longev. 2021;2021:4878562. doi:10.1155/2021/4878562
  36. Chang CK, Chen PK, Chen CC, Chang SH, Chen CH, et al. Increased Levels of Omega-3 Fatty Acids and DHA Are Linked to Pain Reduction in Rheumatoid Arthritis Patients Treated with Janus Kinase Inhibitors. Nutrients. 2021;13. doi:10.3390/nu13093050
  37. Christmann U, Hancock CL, Poole CM, Emery AL, Poovey JR, et al. Dynamics of DHA and EPA supplementation: incorporation into equine plasma, synovial fluid, and surfactant glycerophosphocholines. Metabolomics. 2021;17:41. doi:10.1007/s11306-021-01792-5
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