What kind of interaction is it?

Synergy: a documented combination effect that is stronger or more useful than either substance taken alone.

Is this interaction backed by published research?

Yes. NutriStack lists 2 citation rows for the Ezetimibe + Fish Oil pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Supplement × Prescription·a synergy·Moderate evidence

Ezetimibe + Fish Oil

Q: Can I take Ezetimibe and Fish Oil together?

Yes. The combination of Ezetimibe and Fish Oil produces a measurable benefit. Fish oil (EPA and DHA) primarily lowers triglycerides and modestly affects other lipid fractions through mechanisms distinct from ezetimibe's inhibition of cholesterol absorption. Combining the two addresses complementary parts of the lipid profile, and clinical use of omega-3s alongside cholesterol absorption inhibitors is common and generally well tolerated.

Q: How does this affect a NutriStack Stack Score?

+2 to your Stack Score per scored synergy row.

Synergy Moderate evidence

Fish oil (EPA and DHA) primarily lowers triglycerides and modestly affects other lipid fractions through mechanisms distinct from ezetimibe's inhibition of cholesterol absorption. Combining the two addresses complementary parts of the lipid profile, and clinical use of omega-3s alongside cholesterol absorption inhibitors is common and generally well tolerated.

Supplement × Prescription

Open the interaction checker → Read the methodology

From the database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, and the recommendation.

Substances

Ezetimibe and Fish Oil

Pair type

Synergy

Evidence

Moderate

Source citations

Scope

Supplement × Prescription

Last verified

June 4, 2026

SynergyModerate evidence

What is happening. Fish oil (EPA and DHA) primarily lowers triglycerides and modestly affects other lipid fractions through mechanisms distinct from ezetimibe's inhibition of cholesterol absorption. Combining the two addresses complementary parts of the lipid profile, and clinical use of omega-3s alongside cholesterol absorption inhibitors is common and generally well tolerated.

Mechanism. Ezetimibe lowers LDL by blocking intestinal cholesterol absorption via NPC1L1, while omega-3 fatty acids reduce hepatic VLDL-triglyceride production and increase fatty-acid oxidation; the pathways are non-overlapping and additive on the overall lipid profile.

Recommendation. The combination is reasonable and complementary, particularly when both elevated LDL and elevated triglycerides are present. No dose separation is required. Monitor the full lipid panel to confirm benefit and continue standard cardiovascular risk management.

Stack Score

How it moves the number.

Effect on the composite score

If both Ezetimibe and Fish Oil are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).

The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.

Sources

Sources, by evidence tier.

Every claim on this page is cited. PMIDs link straight to PubMed.

Reference material

1Bays HE, Tighe AP, Sadovsky R, Davidson MH. Prescription omega-3 fatty acids and their lipid effects. Expert Rev Cardiovasc Ther. 2008.Needs sourceNo link
2Phan BAP, Dayspring TD, Toth PP. Ezetimibe therapy: mechanism of action and clinical update. Vasc Health Risk Manag. 2012.Needs sourceNo link

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