Sesame oil versus the usual diet or existing olive-oil and corn-oil comparators,
does it really help with Lower blood pressure in hypertensive men versus the usual diet or existing olive-oil and corn-oil comparators?
research showsThe grade is C with 46 points. A 60-day study analyzed 17 hypertensive men in the sesame-oil group and 13 in the usual-diet control. Sesame oil at 35 g daily produced a within-group fall in peripheral systolic pressure at day 15, but not at days 30 or 60. The acute phase used existing olive-oil and corn-oil comparators, while the long-term phase used the usual diet. The report provided no adjusted between-group difference or confidence interval, so the size of any blood-pressure effect cannot be judged.
ads claimUnsaturated fat and sesamin are genuine constituents, but composition and smoke point do not establish sustained blood-pressure reduction. Verdict 1119 is D with 30 points for virgin coconut oil and LDL; this verdict concerns a different oil and the distinct endpoint of blood pressure.
Useful facts when choosing a product
- Typical sesame oil contains roughly 40% to 47% linoleic acid, 35% to 42% oleic acid, and 13% to 15% saturated fatty acids, with little alpha-linolenic acid. These are background ranges, not measurements of the trial product.
- Smoke point varies with refining, roasting, and free-fatty-acid content and cannot be assigned one universal value. It is a cooking property, not a blood-pressure outcome.
- The tested 35 g daily is about 2.5 tablespoons and approximately 315 kcal; whether it replaces or adds to usual fat matters.
Chamgap Semantic Classification Code
Candidate index · review held
F.culinary-sesame-oil.food.blood-pressure-in-hypertensive-men.reduce.baselineFoods and beverages > Culinary sesame oil > Food consumption > blood pressure in hypertensive men > Reduction claim > Within-group baseline comparison
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
Karatzi and colleagues analyzed 17 medicated hypertensive men in the sesame-oil group and 13 in the control group. The acute phase compared 35 g of sesame oil with existing olive oil or corn oil; the long-term phase compared 35 g daily with the usual diet for 60 days. The article says participants were divided but does not report a randomization method. Peripheral systolic pressure had a within-group P value of 0.016 at day 15 only and was not significant at days 30 or 60. Funding combined university and foundation grants with support from food company Haitoglou Bros SA.
Why this is classified as C (46)
The public material did not permit reconstruction of a between-group blood-pressure magnitude, and one 30-person, 60-day surrogate-endpoint study gives C with 46 points.
Counterpoint. C does not mean sesame oil has no blood-pressure effect. It means sustained magnitude and independent replication remain unresolved.
Rejudgment record. Cross-check applied — Checked allocation wording, comparator oils, time-specific within-group tests, and funding in the original report and assessed whether a between-group magnitude could be reconstructed
| Endpoint | S | Surrogate marker - laboratory or imaging measures |
| Replication | R1 | Single confirmatory trial |
| Independence | I1 | Mixed funding sources |
| Effect size | EX | The clinical size of the effect could not be judged |
Stored derived and displayed grades match; this is not a current recalculation or validity check (C).
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Sesame oil at 35 g daily sustainably lowers blood pressure through day 60 | C | Only the day-15 within-group result was positive, and between-group magnitude could not be reconstructed. |
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Karatzi et al. 2012 | Two-group acute and 60-day controlled study; randomization method not reported | 30 hypertensive men analyzed: 17 sesame oil and 13 control | Mixed university and foundation support plus food-company funding from Haitoglou Bros SA | Peripheral and central blood pressure acutely and at days 15, 30, and 60 | Within-group peripheral systolic pressure P=0.016 at day 15; null at days 30 and 60. No adjusted between-group difference or CI reported | Small exploratory direct human evidence |
Receipt — 2 References
All 2 cited sources were verified for existence at the original page (as of 2026-08-03).
Final verification and publication gate: Codex · Evidence date: 2026-08-03 · Corrections: none
Cite this verdict
[Chamgap] Sesame oil versus the usual diet or existing olive-oil and corn-oil comparators x lower blood pressure in hypertensive men — Evidence Grade C·46. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/heart/sesame-oil-lower-blood-pressure-hypertensive-men/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.