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Fatty acid · Supplement ingredient

DHA

DHA is listed on 10 U.S. supplement product labels in the NIH DSLD, #1,990 of 4,614 by label frequency.

10
Products
#1,990 of 4,614
By frequency
NIH
Dosing fact sheet

Omega-3 Fatty Acids (EPA + DHA) dosing reference

NIH ODS Fact Sheet →
Recommended Dietary Allowance (RDA / AI)
No RDA established. Adequate Intake (AI) for ALA: 1.6 g men, 1.1 g women.
Tolerable Upper Intake Level (UL)
Not established. FDA notes EPA + DHA combined intake up to 3 g/day from supplements is generally regarded as safe.
Drug interactions
May increase bleeding risk with anticoagulants and antiplatelet drugs. Discuss before surgery.
Pregnancy & lactation
AI during pregnancy is 1.4 g ALA; lactation 1.3 g. EPA/DHA important for fetal brain development.

Statement required by FDA: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Source: https://ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional/

How common is DHA?

Number of supplement labels listing DHA vs nearby fatty acid ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing DHA

Nearby Ingredients in Fatty acid

Other ingredients in the Fatty acid category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare DHA vs Stearic Acid →

Frequently asked about DHA

What is the Recommended Dietary Allowance (RDA) for Omega-3 Fatty Acids (EPA + DHA)?
No RDA established. Adequate Intake (AI) for ALA: 1.6 g men, 1.1 g women.. The RDA is the average daily intake sufficient to meet the nutrient requirements of nearly all (97–98%) healthy people. Source: NIH Office of Dietary Supplements.
Is there an upper limit for Omega-3 Fatty Acids (EPA + DHA)?
Not established. FDA notes EPA + DHA combined intake up to 3 g/day from supplements is generally regarded as safe. for adults from the National Academy of Medicine.
Does Omega-3 Fatty Acids (EPA + DHA) interact with medications?
May increase bleeding risk with anticoagulants and antiplatelet drugs. Discuss before surgery. This is a partial list, always discuss supplement use with a pharmacist or prescribing provider.
What about Omega-3 Fatty Acids (EPA + DHA) during pregnancy or breastfeeding?
AI during pregnancy is 1.4 g ALA; lactation 1.3 g. EPA/DHA important for fetal brain development.
How many supplement products contain DHA?
10 supplement product labels in the NIH DSLD currently lists DHA as an ingredient. By label frequency it ranks #1,990 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) · Dosing reference: NIH ODS Omega-3 Fatty Acids (EPA + DHA) Health Professional Fact Sheet. Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.