Omega-3 Fatty Acids and Docosahexaenoic Acid: study protocols
35 study groups took Omega-3 Fatty Acids together with Docosahexaenoic Acid. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Omega-3 Fatty Acids
35 study groups in 25 studies say how much Omega-3 Fatty Acids participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 500 mg to 1 g, 26% of 35 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 1 |
| 50 mg to 100 mg | 2 |
| 100 mg to 250 mg | 7 |
| 250 mg to 500 mg | 6 |
| 500 mg to 1 g | 9 |
| 1 g to 2.5 g | 6 |
| 2.5 g to 5 g | 4 |
Dose per serving from research: Docosahexaenoic Acid
34 study groups in 25 studies say how much Docosahexaenoic Acid participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mg to 500 mg, 32% of 34 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mg or less | 2 |
| 100 mg to 250 mg | 4 |
| 250 mg to 500 mg | 11 |
| 500 mg to 1 g | 9 |
| 1 g to 2.5 g | 8 |
Commonly used together
15 of 35 study groups took Omega-3 Fatty Acids and Docosahexaenoic Acid with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Lutein | 5 |
| Zeaxanthin | 5 |
| Fish Oil | 4 |
35 study groups
| Study | ||||
|---|---|---|---|---|
| Fish-Oil Supplementation and Cardiovascular Events in Patients Receiving Hemodialysis 2026 · fish-oil group · Adults receiving maintenance hemodialysis | 4 g | 800 mg | 1278 days | 610 |
| n-3 fatty acids, ventricular arrhythmia-related events, and fatal myocardial infarction in postmyocardial infarction patients with diabetes 2011 · EPA-DHA · Adults aged 60–80 with diabetes and a previous myocardial infarction | 400 mg | 149 mg | 1217 days | 262 |
| n-3 fatty acids, ventricular arrhythmia-related events, and fatal myocardial infarction in postmyocardial infarction patients with diabetes 2011 · EPA-DHA plus ALA · Adults aged 60–80 with diabetes and a previous myocardial infarction | 400 mg | — | 1217 days | 245 |
| Prevention of postcoronary angioplasty restenosis by omega-3 fatty acids: main results of the Esapent for Prevention of Restenosis ITalian Study (ESPRIT) 2002 · omega-3 FA group · Patients undergoing balloon-only percutaneous transluminal coronary angioplasty (PTCA) | 3 g | 2.1 g | 240 days | 125 |
| Fish oil supplementation in pregnancy and lactation may decrease the risk of infant allergy 2009 · omega-3 group · Pregnant and breastfeeding women with an allergy themselves or a husband or previous child with allergies | 1.6 g | 1.1 g | — | 52 |
| Lutein + zeaxanthin and omega-3 fatty acids for age-related macular degeneration: the Age-Related Eye Disease Study 2 (AREDS2) randomized clinical trial 2013 · DHA + EPA group · Adults aged 50 to 85 years at risk for progression to advanced age-related macular degeneration, with bilateral large drusen or large drusen in one eye and advanced AMD in the fellow eye | 650 mg | 350 mg | 5 years | — |
| Lutein + zeaxanthin and omega-3 fatty acids for age-related macular degeneration: the Age-Related Eye Disease Study 2 (AREDS2) randomized clinical trial 2013 · lutein + zeaxanthin and DHA + EPA group · Adults aged 50 to 85 years at risk for progression to advanced age-related macular degeneration, with bilateral large drusen or large drusen in one eye and advanced AMD in the fellow eye | 650 mg | 350 mg | 5 years | — |
| Oral omega-3 fatty acids treatment in computer vision syndrome related dry eye 2015 · O3FA group · Symptomatic computer users using computers more than 3 hours per day for at least 1 year; sex and age not specified; computer vision syndrome-related dry eye | 360 mg | 240 mg | 90 days | 220 |
| Supplementation with oil rich in eicosapentaenoic acid, but not in docosahexaenoic acid, improves global cognitive function in healthy, young adults: results from randomized controlled trials 2021 · DHA-rich oil · Healthy adults aged 25–49 who habitually consumed oily fish less than once per week and reported no habitual dietary supplement use | 270 mg | 900 mg | 26 weeks | 113 |
| Supplementation with oil rich in eicosapentaenoic acid, but not in docosahexaenoic acid, improves global cognitive function in healthy, young adults: results from randomized controlled trials 2021 · EPA-rich oil · Healthy adults aged 25–49 who habitually consumed oily fish less than once per week and reported no habitual dietary supplement use | 900 mg | 360 mg | 26 weeks | 112 |