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Docosahexaenoic Acid: study protocols

73 study groups say how much Docosahexaenoic Acid participants took a day. These are the doses the studies gave. They are not a recommendation.

Docosahexaenoic Acid: what the research found →

Dose per serving from products

6,506 products in our catalogue print how much Docosahexaenoic Acid a serving holds.

Most common: 100 mg to 250 mg, 34% of 6,506 products.

Dose per servingProducts
25 mg or less
253
25 mg to 50 mg
521
50 mg to 100 mg
730
100 mg to 250 mg
2,211
250 mg to 500 mg
1,779
500 mg to 1 g
937
over 1 g
75

Dose per serving from research

66 study groups in 47 studies say how much Docosahexaenoic Acid participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 500 mg to 1 g, 39% of 66 study groups.

Daily doseStudy groups
50 mg or less
1
50 mg to 100 mg
4
100 mg to 250 mg
16
250 mg to 500 mg
13
500 mg to 1 g
26
1 g to 2.5 g
5
over 2.5 g
1

Commonly used together

41 of 73 study groups took Docosahexaenoic Acid with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Omega-3 Fatty Acids
21
Arachidonic Acid
5
Fish Oil
5
Eicosapentaenoic Acid
4

73 study groups

Study
Racial disparity in efficacy of docosahexaenoic acid supplementation for prevention of preterm birth: secondary analysis from a randomized, double-blind trial
2024 · low-dose DHA · Pregnant individuals enrolled before 20 weeks’ gestation; analyzed by Black and non-Black race/ethnicity
200 mg—492
Higher-Dose DHA Supplementation Modulates Immune Responses in Pregnancy and Is Associated with Decreased Preterm Birth
2021 · 200 mg group · Pregnant women; age and sex beyond pregnancy not specified
200 mg—437
A randomized trial of docosahexaenoic acid supplementation during the third trimester of pregnancy
2003 · 133 mg DHA group · Pregnant women enrolled between the 24th and 28th week of pregnancy
133 mg——
Docosahexaenoic acid (DHA) intake estimated from a 7-question survey identifies pregnancies most likely to benefit from high-dose DHA supplementation
2023 · 200 mg/day DHA group · Pregnant adults aged 18 years or older with a singleton pregnancy, enrolled before 20 weeks’ gestation
200 mg——
Early and late preterm birth rates in participants adherent to randomly assigned high dose docosahexaenoic acid (DHA) supplementation in pregnancy
2023 · 200 mg DHA group · Pregnant adults aged 18 or older, enrolled at 12–20 weeks’ gestation
200 mg—524
The Effect of Omega-3 Docosahexaenoic Acid Supplementation on Gestational Length: Randomized Trial of Supplementation Compared to Nutrition Education for Increasing n-3 Intake from Foods
2015 · 300 mg DHA · Pregnant women aged 18 years or older with singleton pregnancies, enrolled at 16–20 weeks’ gestation; low-income antenatal clinic population
300 mg——
Docosahexaenoic Acid and Bronchopulmonary Dysplasia in Preterm Infants
2017 · DHA group · Preterm infants born before 29 weeks of gestation
60 mg/kg—592
Racial disparity in efficacy of docosahexaenoic acid supplementation for prevention of preterm birth: secondary analysis from a randomized, double-blind trial
2024 · high-dose DHA · Pregnant individuals enrolled before 20 weeks’ gestation; analyzed by Black and non-Black race/ethnicity
1 g—540
Efficacy of Docosahexaenoic Acid for the Prevention of Necrotizing Enterocolitis in Preterm Infants: A Randomized Clinical Trial
2021 · DHA-group · Preterm newborn infants weighing 1000–1500 g, at risk of necrotizing enterocolitis
75 mg/kg2 weeks100
A randomized trial of docosahexaenoic acid supplementation during the third trimester of pregnancy
2003 · 33 mg DHA group · Pregnant women enrolled between the 24th and 28th week of pregnancy
33 mg——