Omega-3 index: what the evidence supports

2 graded interventions for omega-3 index, ranked by strength of evidence.

Overall grade: Grade B
Last revised: Jul 10, 2026; 2
graded outcomes: 0
references listed

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

2 at grade B — 2 graded rows

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

Outcome	Grade	Effect size	Agreement
Krill OilRaises index; dose to EPA+DHA	Evidence grade B	Moderate	high
Algae Omega-3Reliable in vegans	Evidence grade B	Moderate	high

Krill OilEvidence grade B
Raises index; dose to EPA+DHA
Moderatehigh
Algae Omega-3Evidence grade B
Reliable in vegans
Moderatehigh

The evidence in words

The evidence map

This is the ranked evidence for omega-3 index: every compound in the knowledge base with a graded effect, best-supported first. Grades reflect replication and effect size, not popularity or marketing.

Best-supported

Krill Oil (grade B) — Raises index; dose to EPA+DHA · Algae Omega-3 (grade B) — Reliable in vegans

Weaker or unproven

Everything with a graded effect here clears at least grade B.

Goes with

Krill OilGrade BEvidence grade C
Algae Omega-3Grade BEvidence grade B

Entries that share this one's tags or conditions.

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Sources

This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.

Last revised Jul 10, 2026. A grade is this entry's reading of the evidence, not medical advice.