Ezetimibe

Prescription ·Exploratory record · not publication-reviewed ·Updated July 13, 2026

Ezetimibe is a lipid-lowering medication that reduces the intestinal absorption of dietary and biliary cholesterol. It is used either alone or, more commonly, in combination with a statin to lower LDL cholesterol. By blocking cholesterol uptake at the brush border of the small intestine, it provides an additive LDL reduction that complements the hepatic effects of statins.

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Publication status

Exploratory record, not a reviewed medical publication.

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This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.

In short

What the research says.

A quick, data-only summary. The full evidence, dosing, and sources are below.

Ezetimibe is a lipid-lowering medication that reduces the intestinal absorption of dietary and biliary cholesterol. NutriStack rates the supporting evidence as strong. Common adult dosing is 10 mg orally once daily, taken with or without food; same 10 mg dose whether used as monotherapy or added to a statin, though a prescriber sets the actual dose. With long-term use it can deplete vitamin e, beta-carotene. This profile indexes 3 sources.

What it's good for

Lowering elevated LDL cholesterol (primary hypercholesterolemia)^2,1
Adjunctive therapy with statins for additional LDL reduction
Reducing cardiovascular events when added to statin therapy after acute coronary syndrome^1,2
Treatment of homozygous familial hypercholesterolemia (combined with a statin)²
Treatment of homozygous sitosterolemia (phytosterolemia)

What to watch for

Diarrhea
Upper respiratory tract infection
Arthralgia (joint pain)
Known hypersensitivity to ezetimibe or any component of the formulation^1,2
Active liver disease or unexplained persistent elevations in serum transaminases when used in combination with a statin

The bottom line

Evidence rating strong. Most-documented uses: lowering elevated ldl cholesterol (primary hypercholesterolemia), adjunctive therapy with statins for additional ldl reduction, reducing cardiovascular events when added to statin therapy after acute coronary syndrome. 3 sources indexed (2002–2015), with 0 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Ezetimibe selectively inhibits the Niemann-Pick C1-Like 1 (NPC1L1) sterol transport protein located on the brush border membrane of enterocytes in the small intestine. NPC1L1 mediates the absorption of cholesterol and related phytosterols from the gut lumen into the enterocyte. By blocking this transporter, ezetimibe decreases the delivery of intestinal cholesterol to the liver, which lowers hepatic cholesterol stores and increases clearance of cholesterol from the blood by upregulating hepatic LDL receptors. Unlike bile acid sequestrants, it does not affect the absorption of triglycerides or bile acids; however, because cholesterol micelle formation overlaps with the absorption pathway of fat-soluble vitamins, reduced uptake of vitamins A, D, and E and of carotenoids can occur. Ezetimibe undergoes extensive enterohepatic recirculation as its active glucuronide metabolite, which prolongs its action at the absorption site.^3,1

Class

Cholesterol absorption inhibitor

Dosing

Dosing & protocol.

Common range

10 mg orally once daily, taken with or without food; same 10 mg dose whether used as monotherapy or added to a statin

Recommended form

Oral tablet (10 mg), also available in fixed-dose combinations with simvastatin, atorvastatin, or rosuvastatin

Can be taken with or without food at any time of day; food does not meaningfully affect efficacy. May modestly reduce absorption of fat-soluble vitamins (A, D, E) and carotenoids by interfering with intestinal cholesterol uptake. If used with a bile acid sequestrant, administer ezetimibe at least 2 hours before or 4 hours after the sequestrant.²

Depletions

What it depletes.

Nutrients this medication can lower over time, and what to replace.

Vitamin E

Mild

Ezetimibe inhibits the intestinal sterol transporter NPC1L1 at the brush border of enterocytes, reducing absorption of dietary and biliary cholesterol. Because fat-soluble micronutrients are absorbed via overlapping micellar and lipid-uptake pathways, ezetimibe can modestly reduce absorption of lipid-soluble antioxidants such as alpha-tocopherol. Plasma tocopherol concentrations are also tightly coupled to circulating lipoproteins, so the LDL lowering itself can lower total (lipid-bound) vitamin E, though lipid-standardized tocopherol is generally preserved.

Replace Vitamin E (mixed tocopherols)Monitor Serum alpha-tocopherol, ideally expressed per mmol of total cholesterol plus triglycerides (lipid-standardized)Onset Weeks to months of continued use

Beta-carotene

Mild

Carotenoids are absorbed in the intestine through lipid micelles and partly via NPC1L1-mediated and scavenger-receptor pathways shared with cholesterol uptake. By blocking NPC1L1 and lowering micellar cholesterol incorporation, ezetimibe can reduce intestinal uptake of carotenoids such as beta-carotene. Plasma carotenoid levels, which travel on lipoproteins, may fall further as LDL is reduced. Clinical trials with ezetimibe have reported lower circulating beta-carotene relative to baseline or comparator.

Replace Beta-carotene (or a mixed-carotenoid/vitamin A supplement)Monitor Plasma beta-carotene (lipid-standardized) or serum retinol if clinical deficiency is suspectedOnset Weeks to months of continued use

Full Ezetimibe depletion and interaction guide →

Safety

Full safety detail.

Side effects

Diarrhea
Upper respiratory tract infection
Arthralgia (joint pain)
Fatigue
Abdominal pain
Elevated liver transaminases (especially when combined with a statin)
Myalgia and, rarely, myopathy or rhabdomyolysis (mainly in combination with a statin)
Hypersensitivity reactions including rash and angioedema (rare)
Pancreatitis and cholelithiasis (uncommon)

Contraindications

Known hypersensitivity to ezetimibe or any component of the formulation^1,2
Active liver disease or unexplained persistent elevations in serum transaminases when used in combination with a statin
Pregnancy and breastfeeding when used in combination with a statin (statins are contraindicated)^1,2
Moderate to severe hepatic impairment (use not recommended)

Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Randomized controlled trials

1Ezetimibe Added to Statin Therapy after Acute Coronary Syndromes (IMPROVE-IT)Cannon CP, Blazing MA, Giugliano RP, et al. · New England Journal of Medicine · 2015
Simvastatin plus ezetimibe lowered LDL to a median of about 54 mg/dL versus 70 mg/dL with simvastatin alone and produced a modest but significant reduction in the composite of cardiovascular death, major coronary events, and stroke.
2Ezetimibe coadministered with simvastatin in patients with primary hypercholesterolemiaDavidson MH, McGarry T, Bettis R, et al. · Journal of the American College of Cardiology · 2002
Ezetimibe 10 mg added to simvastatin produced significantly greater LDL cholesterol reductions than simvastatin alone across doses, with a safety profile comparable to placebo.

Mechanistic & preclinical

3Niemann-Pick C1 Like 1 protein is critical for intestinal cholesterol absorptionAltmann SW, Davis HR, Zhu LJ, et al. · Science · 2004
Identified NPC1L1 as the intestinal sterol transporter that is the molecular target of ezetimibe, establishing the mechanism of cholesterol absorption inhibition.

FAQ

Common questions.

Quick answers about Ezetimibe, drawn from the data on this page.

What is Ezetimibe?

What is Ezetimibe used for?

Commonly cited benefits of Ezetimibe include: Lowering elevated LDL cholesterol (primary hypercholesterolemia); Adjunctive therapy with statins for additional LDL reduction; Reducing cardiovascular events when added to statin therapy after acute coronary syndrome; Treatment of homozygous familial hypercholesterolemia (combined with a statin); Treatment of homozygous sitosterolemia (phytosterolemia). NutriStack rates the overall evidence as strong.

What is a typical dose of Ezetimibe?

A typical adult dose of Ezetimibe is 10 mg orally once daily, taken with or without food; same 10 mg dose whether used as monotherapy or added to a statin. The commonly recommended form is Oral tablet (10 mg), also available in fixed-dose combinations with simvastatin, atorvastatin, or rosuvastatin. These are general ranges, not personalized advice; confirm the right dose with a clinician.

What are the side effects of Ezetimibe?

Reported side effects include diarrhea, upper respiratory tract infection, arthralgia (joint pain), fatigue, abdominal pain, elevated liver transaminases (especially when combined with a statin). This is educational information; check with a healthcare professional before use.

How strong is the evidence for Ezetimibe?

NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.

Use this with your stack

Ezetimibe in NutriStack.

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