Also known as: extra virgin olive oil, EVOO
Latest evidence update: 2026-03-31
Strongest in Study quality (73). Held back by Recency (40).
Solid mix of RCTs with some methodological gaps.
Good cross-study replication, some imprecision.
Thousands of participants across the literature.
Mostly aligned, with some divergence.
Evidence base skews older; field may have moved on.
Effect-size tagged on 130 of 132 claims for this food. Our research updates daily; remaining claims are pending re-processing.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
Compound-by-compound profile of what's in this food and the evidence behind each.
100g
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Fish oil-containing intravenous lipid emulsions reduce infection risk compared to olive oil-ILEs in hospitalized patients receiving parenteral nutrition.
Olive oil-based lipid emulsions were associated with lower plasma concentrations of long-chain omega-6 polyunsaturated fatty acids compared to soybean oil-based lipid emulsions.
Olive oil had no significant effect on Metabolic Syndrome.
Olive oil and oleic acid consumption are as effective as other specialized Metabolic Syndrome management strategies.
Hydroxytyrosol, oleic acid, and olive oil combined showed a beneficial effect on antioxidant capacity related to Metabolic Syndrome components.