Oleic Acid + Colestipol

Oleic Acid has 86 moderate known drug interactions in our database — Colestipol isn’t one of them. If you take anything else, check it against the full list below.

We haven’t checked that one against Oleic Acid yet — ask our pharmacists directly.

Covers the 2,830 medications we’ve checked against Oleic Acid. Pick one to open its full report.

At least one FDA label for a product containing Colestipol says to take it on an empty stomach. Most supplements — Oleic Acid included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Colestipol on its own and move Oleic Acid to a meal later in the day.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Colestipol products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

These two come up together because they touch the same health topic — not because they do the same job. Colestipol is a prescription medicine with approved uses on its FDA label. Oleic Acid is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Colestipol is prescribed for: Colestipol — available as oral suspension and tablets under brands including Colestid, Flavored Colestid, and Colestipol Hydrochloride — is used as part of a broader treatment plan (including diet) to lower elevated LDL cholesterol in adults with primary hypercholesterolemia (a condition where LDL cholesterol stays high despite dietary changes). It is not a standalone fix. Diet, weight management, and other lifestyle changes come first, and colestipol is added when those steps alone aren't enough to reach target LDL levels.

Oleic Acid has been studied for:

• Hypercholesterolemia Natural Medicines rates the evidence for Oleic Acid: Possibly Effective Read what the research shows

  Oleic Acid for hypercholesterolemia

  Evidence from small studies shows that consuming oils rich in oleic acid as part of the diet in place of other dietary fats may improve cholesterol levels. Preliminary clinical research in patients with hypercholesterolemia shows that consuming oleic acid as part of a high oleic sunflower oil- or high oleic canola oil-rich diet for 3-4 weeks decreases total and low-density lipoprotein (LDL) cholesterol levels by a mo…

  4 sources cited

  1. 21698. Gillingham, L. G., Gustafson, J. A., Han, S. Y., Jassal, D. S., and Jones, P. J. High-oleic rapeseed (canola) and flaxseed oils modulate serum lipids and inflammatory biomarkers in hypercholesterolaemic subjects. Br J Nutr 2011;105(3):417-427. PubMed ↗
  2. 26466. Jones PJ, Senanayake VK, Pu S, Jenkins DJ, Connelly PW, Lamarche B, Couture P, Charest A, Baril-Gravel L, West SG, Liu X, Fleming JA, McCrea CE, Kris-Etherton PM. DHA-enriched high-oleic acid canola oil improves lipid profile and lowers predicted cardiova
  3. 67569. Cater, N. B., Heller, H. J., and Denke, M. A. Comparison of the effects of medium-chain triacylglycerols, palm oil, and high oleic acid sunflower oil on plasma triacylglycerol fatty acids and lipid and lipoprotein concentrations in humans. Am.J Clin.Nutr PubMed ↗
  4. 101821. Bowen KJ, Kris-Etherton PM, West SG, et al. Diets enriched with conventional or high-oleic acid canola oils lower atherogenic lipids and lipoproteins compared to a diet with a western fatty acid profile in adults with central adiposity. J Nutr. 2019;149(3 PubMed ↗

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Colestipol on your own; if you are taking Oleic Acid for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Oleic Acid or Colestipol, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

• Why Shouldn't Colestipol Be Crushed? Answered by Dr. Brian Staiger, PharmD · May 2025 ›

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

This page covers Oleic Acid only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Colestipol page lists 18 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 8 moderate · 9 minor.

Open the Colestipol interaction page ›

We hold 1,803 real supplement products containing Oleic Acid, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Oleic Acid. Even though Oleic Acid itself has no known interaction with Colestipol, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Natural Medicines records Colestipol as a medicine that can lower these. This is not an interaction with Oleic Acid — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:

• BETA-CAROTENE›
• FOLIC ACID›
• PHOSPHATE SALTS›
• VITAMIN A›
• VITAMIN B12›
• VITAMIN D›
• VITAMIN E›
• VITAMIN K›

Read the full Colestipol nutrient depletion report ›

Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.