NIH Office of Dietary Supplements - acquired 2026-07-23 - Official Reference
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Established useBasic Entry
Fish Oils & Omegas
Algal Oil
Omega fatty acids from marine, algal, and plant sources. Separate EPA/DHA-rich sources from ALA-rich plant sources.
Page last reviewed: 2026-07-23 - next review due: 2027-01-23
Safety Flags
blood thinners, bleeding risk, surgery
Source Coverage
Included: US reference
Review gap: Canadian reference
Add or verify Health Canada context where an official Canadian reference exists.
Review gap: EU reference
Add or verify EFSA or EU health-claim context where an official EU reference exists.
Review gap: Clinical / safety source
Add a clinical review, safety monograph, systematic review, or other deeper safety reference before strengthening claims.
Function
Vegetarian source of DHA and sometimes EPA.
Natural Sources
Marine microalgae.
Food vs Supplement Context
Natural sources describe where this item appears in foods, culinary ingredients, or traditional preparations. Concentrated supplements can differ by dose, extract type, preparation, standardization, and medication context, so they should be evaluated separately.
Testing & Monitoring Context
- No routine lab test establishes a required daily need for most foods and bioactives; monitoring is usually based on the intended outcome, dose, medical history, and adverse effects.
- Blood thinner or bleeding-risk context: ask a clinician or pharmacist about INR/bleeding monitoring and surgery timing.
Suggested Guidelines When Purchasing
What to look for: For omega-3 products, compare EPA and DHA amounts, freshness/oxidation controls, allergen source, and contaminant testing.
Use caution or avoid: Avoid casual use when these flags apply: blood thinners, bleeding risk, surgery.
- Prefer ordinary food sources first when they provide the intended compound in a practical way.
- For supplements, require clear labeling of active ingredient, dose per serving, serving size, and other ingredients.
- Prefer products with third-party testing or transparent contaminant testing, especially for concentrated extracts, algae, mushrooms, minerals, and sports products.
- Do not let marketing claims override the evidence, safety flags, source coverage, or dose context on this page.
- Look for EPA and DHA amounts separately, not just total fish oil or oil weight.
- Prefer products that disclose freshness, oxidation, heavy-metal, PCB, and dioxin testing.
Intake Guidance
Food-pattern guidance
No official EPA/DHA RDA. ALA has an official AI in the nutrient grid.
Useful vegetarian DHA/EPA source, but no official RDI exists for algal oil.
Evidence Summary
Claim-level study review has not been added yet for this item. Treat this as a basic catalog entry until evidence claims are reviewed.
Evidence Legend
Established use: Supported by official guidance, regulatory claim context, strong consensus, or repeated human evidence for a specific use.
Promising: Human studies or reviews suggest benefit for specific outcomes, but evidence is not broad enough to treat as settled general guidance.
Emerging: Early human, mechanistic, or mixed evidence; worth tracking, but not strong enough for confident user-facing claims.
Traditional use: Historically or traditionally used, but modern clinical evidence may be limited, mixed, or product-specific.
Category example: Included to describe a supplement or food category, not because a strong health claim is attached yet.
Research Links
Use this as a research discovery link. Search results are live and may change, so curated sources on this page remain the fixed references for app content.
Search term: Algal Oil supplementation human studies systematic review
Sources
U.S. Department of Agriculture - acquired 2026-07-23 - Food Database