Echium plantagineum

BotanicalBest with a meal

What is it

Echium plantagineum (Paterson's curse, salvation Jane) is a flowering plant native to the Mediterranean and naturalized worldwide. Its seeds yield echium oil, a unique plant source of stearidonic acid (SDA), an omega-3 fatty acid that is a more efficient EPA precursor than ALA from flax or chia.

Evidence for 2 uses

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

EPA enrichment (plant-based alternative)

Good Evidence

RCTs show echium oil raises blood/tissue EPA more than ALA-rich oils, though less than direct EPA from fish/algae.

Cardiovascular markers

Limited Evidence

Modest effects on triglycerides and inflammation; few hard-endpoint trials.

How it works

Echium seed oil contains about 13 to 14 percent SDA, plus ALA and gamma-linolenic acid (GLA). SDA bypasses the rate-limiting delta-6-desaturase step in EPA synthesis, converting to EPA in tissues about 3 to 5 times more efficiently than ALA. Trials confirm that echium oil raises red blood cell and platelet EPA content. The whole plant contains pyrrolizidine alkaloids (potentially hepatotoxic), and oils must be processed to remove these.

Dosage

Typical doses in studies: 2 to 4 g of oil per day, providing 250 to 500 mg of SDA.

When and how to take it

Take with a meal containing fat. Daily consistent intake; effects build over weeks.

1 commercial form

Compare the main delivery options and what they’re best suited for.

Echium plantagineum seed oil (PA-free)

Plant-based omega-3 oil; vegan-suitable source of SDA.

Provides SDA plus ALA and GLA.

Safety

Refined oil is generally well tolerated. The unprocessed plant material can contain hepatotoxic pyrrolizidine alkaloids; reputable manufacturers test and remove these.

Who should be cautious

Choose products certified PA-free. Limited data in pregnancy and breastfeeding; whole fish oil with documented EPA/DHA is preferred for these populations. Discuss with clinician if on anticoagulants.

Interactions

May modestly affect platelet function at high doses, similar to other omega-3 sources.

Frequently asked questions

Is echium oil as good as fish oil?⌄

Better than flax oil (ALA) at raising EPA, but less efficient than direct EPA/DHA from fish or algal oil.

Are there safety concerns?⌄

Pyrrolizidine alkaloids in the plant are a concern; reputable manufacturers test for and remove these.

References

Echium plantagineum on Wikidata — Wikidata link

Echium plantagineum on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Echium plantagineum (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.