The overall rating for docosahexaenoic acid (dha) is 1.9 out of 3 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Overall Effectiveness Rating
  4. Research Rating
  5. Products Containing Docosahexaenoic Acid (DHA)
  6. Claim Ratings
  7. Dosing
  8. References

Docosahexaenoic Acid (DHA) Simple Report

  • Supplement: Docosahexaenoic Acid (DHA)
  • Supplement Category: omega 3 fatty acids
  • Number of Products Containing Docosahexaenoic Acid (DHA): 16
  • Effectiveness Rating: 1.9 out of 3
  • Research Rating: 47 (above 80 indicates sufficient research)
  • Number of Studies: 18
  • Number of Claims: 15
  • Effective Dosage Range: 500 milligrams per day

Docosahexaenoic Acid (DHA) Detailed Report

Overall Effectiveness Rating

The overall effectiveness rating for docosahexaenoic acid (dha) is 1.9 out of 3. This rating means the evidence is mixed on the supplement's ability to deliver positive results. While some of the research supports its use, other evidence does not. Using this supplement may lead to positive results. Note, this effectiveness rating is for docosahexaenoic acid (dha) as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for Docosahexaenoic Acid (DHA)

There are 18 studies in the database on docosahexaenoic acid (dha); the research rating is 47. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for docosahexaenoic acid (dha) as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing Docosahexaenoic Acid (DHA)

Products Names Amount of Docosahexaenoic Acid (DHA)
Cognition 50mg
Neuro Brain and Focus Amount not listed.
Atomic Lean Amount not listed.
Omega Drive 240mg
Ascent 200mg
Full list of all 16 products containing Docosahexaenoic Acid (DHA).

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

Performance Claims Effectiveness Rating Research Rating
improve cardiovascular endurance
improve running performance

Cardiovascular Health Claims Effectiveness Rating Research Rating
lower blood pressure
lower LDL (bad) cholesterol levels
increase HDL (good) cholesterol levels
lower total cholesterol levels
lower triglyceride levels

Recovery Claims Effectiveness Rating Research Rating
improve recovery
reduce muscle soreness

Mental Health Claims Effectiveness Rating Research Rating
improve cognitive ability
improve memory

General Health Claims Effectiveness Rating Research Rating
improve insulin sensitivity
improve glucose control
reduce acne count
reduce acne severity


The Supplement Database includes 1 studies on docosahexaenoic acid (dha) dosing. These studies indicate an effective dose is 500 milligrams per day. For a more detailed dosing analysis visit: Supplement Dosing for Docosahexaenoic Acid (DHA).


Title of Study
An 18-mo randomized, double-blind, placebo-controlled trial of DHA-rich fish oil to prevent age-related cognitive decline in cognitively normal older adults
Association between cognitive function and supplementation with omega-3 PUFAs and other nutrients in ≥ 75 years old patients: A randomized multicenter study
Circulating triacylglycerol and apoE levels in response to EPA and docosahexaenoic acid supplementation in adult human subjects
DHA supplementation improved both memory and reaction time in healthy young adults: a randomized controlled trial
DHA-rich fish oil lowers heart rate during submaximal exercise in elite Australian Rules footballers
Dietary alpha-linolenic acid, EPA, and DHA have differential effects on LDL fatty acid composition but similar effects on serum lipid profiles in normolipidemic humans
Docosahexaenoic acid-concentrated fish oil supplementation in subjects with mild cognitive impairment (MCI): a 12-month randomised, double-blind, placebo-controlled trial
Effect of 2-y n-3 long-chain polyunsaturated fatty acid supplementation on cognitive function in older people: a randomized, double-blind, controlled trial
Effect of Dietary Supplementation with Omega-3 Fatty Acid and Gamma-linolenic Acid on Acne Vulgaris: A Randomised, Double- blind, Controlled Trial
Effect of long-term omega 3 polyunsaturated fatty acid supplementation with or without multidomain intervention on cognitive function in elderly adults with memory complaints (MAPT): a randomised, placebo-controlled trial
Effect of supplementation with long-chain ω-3 polyunsaturated fatty acids on behavior and cognition in children with attention deficit/hyperactivity disorder (ADHD): a randomized placebo-controlled intervention trial
Effects of a diet integration with an oily emulsion of DHA-phospholipids containing melatonin and tryptophan in elderly patients suffering from mild cognitive impairment
Effects of dietary alpha-linolenic acid, eicosapentaenoic acid or docosahexaenoic acid on parameters of glucose metabolism in healthy volunteers
Effects of iron and n-3 fatty acid supplementation, alone and in combination, on cognition in school children: a randomized, double-blind, placebo-controlled intervention in South Africa
Effects of n-3 fatty acids, EPA v. DHA, on depressive symptoms, quality of life, memory and executive function in older adults with mild cognitive impairment: a 6-month randomised controlled trial
Effects of Short-Term Docosahexaenoic Acid Supplementation on Markers of Inflammation after Eccentric Strength Exercise in Women
Omega-3 fatty acid supplementation does not improve maximal aerobic power, anaerobic threshold and running performance in well-trained soccer players
The n-3 Polyunsaturated Fatty Acids Supplementation Improved the Cognitive Function in the Chinese Elderly with Mild Cognitive Impairment: A Double-Blind Randomized Controlled Trial