Dr. Gundry Olive Oil: A Complete Review

Dr. Steven Gundry promotes olive oil as part of his diet program. Here's what you should know about his claims, his products, and what the science actually says.

The Gundry Olive Oil Connection

Dr. Steven Gundry is a former cardiac surgeon who founded the Gundry MD brand and has built a significant following around his books and diet programs. For a complete overview, see our Best Olive Oil Brands guide.His approach to olive oil centers on two claims: that olive oil is a "health food" and that many commercial olive oils contain compounds (lecithins) that damage the gut lining. His company sells a branded "Gundry MD Polyphenol-Rich Olive Oil" at approximately $39 per 500ml.

This article examines what Gundry claims, what his product actually is, and what the science says about the specific claims he makes.

What Gundry Claims About Olive Oil

Gundry's core olive oil claim is that many commercially available olive oils contain "diglycerides" and "lecithins" that cause damage to the gut lining by triggering an inflammatory immune response. He claims this is why some people who consume olive oil experience digestive discomfort.

The solution he proposes: his own branded "Polyphenol-Rich Olive Oil" which, he claims, has had these problematic compounds removed through a proprietary filtration process. The product claims to be higher in polyphenols than standard olive oils.

What the Science Actually Says

Lectin and gut health claims: The claim that olive oil contains compounds that damage the gut lining through lectin activity is not well-supported by peer-reviewed evidence. While lectins are real compounds found in some foods (particularly raw legumes and grains), the claims about olive oil specifically causing gut damage through lectin-like compounds are not documented in the clinical literature1.

Polyphenol enhancement: Gundry MD's product claims to be higher in polyphenols than standard olive oils. Some third-party testing has found Gundry MD olive oil to have polyphenol levels in the 300–500 mg/kg range — which is genuinely high. However, this is not exceptional — many premium Greek and Spanish single-estate olive oils test at equivalent or higher polyphenol levels without the proprietary filtration claim.

The proprietary filtration claim: Gundry describes removing certain compounds from olive oil through filtration. The EFSA and IOC standards for extra virgin olive oil are based on chemical and sensory parameters that are met or not met — there is no IOC-recognized process for "removing problematic compounds while preserving polyphenols" that would produce a meaningfully different product from properly produced high-phenol EVOO.

What's Actually in the Gundry MD Product

Based on available testing and labeling information:

  • The product is labeled "extra virgin olive oil"
  • It carries a Harvest date and origin (Spanish origin, IOC certified)
  • Polyphenol content is listed as approximately 350–400 mg/kg in marketing materials
  • Price is approximately $39 per 500ml (significantly above comparable quality non-branded oils)

The product appears to be genuine extra virgin olive oil with high polyphenol content. Whether it is meaningfully better than other high-phenol options at a fraction of the price is a legitimate question.

The Value Comparison

Gundry MD olive oil: approximately $39 per 500ml, with documented high polyphenol content.

Equivalent high-phenol options:

  • Greek Koroneiki from specific estates: $20–35 per 500ml, equivalent or higher polyphenol content
  • Partanna Nocellara del Belice: $20–28 per 500ml, 280–400 mg/kg polyphenol content
  • Spanish Picual from quality producers: $18–30 per 500ml, 400–600 mg/kg

The premium for the Gundry MD branding is substantial — approximately $10–20 per bottle above comparable non-branded alternatives with equivalent or better polyphenol content.

The Verdict

Dr. Gundry is correct that high-polyphenol olive oil is beneficial for health. This is not a controversial claim — it is well-documented in peer-reviewed literature. His specific claims about problematic compounds in commercial olive oils are not well-supported.

The Gundry MD product is genuine EVOO with high polyphenol content. It is not a scam product — it is a legitimately produced, tested olive oil with a significant branding premium. The question is whether that branding premium is worth it when equivalent high-phenol oils are available at lower prices.

For someone already invested in the Gundry diet program, the branded oil is a defensible choice. For anyone comparing options, the same polyphenol content can be obtained from non-branded premium olive oils at substantially lower cost.

Frequently Asked Questions

Is Dr. Gundry's olive oil worth the price?

Dr. Steven Gundry's olive oil products are sold at a significant premium (typically $30–40 per 500ml) compared to equivalently or higher-quality olive oils available elsewhere. The marketing claims about polyphenol content and anti-aging benefits are broadly consistent with the scientific literature on olive oil polyphenols — but the price premium exceeds what the quality differentiation justifies. Independent testing has found that some high-price boutique oils do not deliver polyphenol content matching their marketing claims. For consumers willing to pay a premium, verified third-party lab results should accompany the price.1

What does Dr. Gundry say about olive oil?

Dr. Gundry promotes high-polyphenol olive oil as part of his "plant paradox" dietary approach, emphasizing oleocanthal and the polyphenol fraction for anti-inflammatory and cardiovascular benefits. His core claims about olive oil are consistent with mainstream nutritional science: the polyphenols in high-phenol EVOO reduce inflammation, protect LDL from oxidation, and support cardiovascular health. His broader dietary recommendations (lectin avoidance, etc.) are more controversial and not universally accepted by mainstream nutrition science. Evaluate the olive oil recommendations separately from the broader dietary framework.1

Is the Gundry MD olive oil brand legitimate?

Gundry MD olive oil produces genuine EVOO with polyphenol content that is within the range achievable by legitimate high-phenol producers. The brand is not a fraud — it is a premium-priced product with marketing claims that sometimes exceed what the scientific literature supports. The legitimacy question is not about whether the product is genuine EVOO (it appears to be) but whether the price reflects genuine quality differentiation. Premium consumers should verify polyphenol content via published third-party lab results before accepting premium pricing claims at face value.1



ReferencesCouncil. "Trade Standards for Olive Oil." https://www.internationaloliveoil.org/our-products/olives/

1. USDA FoodData Central. "Oil, Olive, Extra Virgin." https://fdc.nal.usda.gov/fdc-app.html