Olive leaf extract and blood pressure

What 2 graded rows on olive leaf extract agree on for blood pressure, and where they differ. Counted side by side, never averaged.

What the rows agree on

Each block and row is one graded row from the Olive leaf extract page, with its PubMed record.

Your question

Supplement
Olive leaf extract Choose another

Olive leaf extract and blood pressure

2 rows · 1,782 people

Split. 1 row found no difference and 1 had mixed results.

No difference or mixed
Improved
Each block is one evidence row, sized by how many people it enrolled, with its grade inside. Outlined: mixed results.
  • Grade C× 1
  • Grade D× 1
Rows
2
Trials
31
People
1,782
Pooled reviews may count some twice

What the rows share

From the rows

The best-graded row, grade C, is a meta-analysis of 1,726 people (2026) and reported mixed results.

The rows run from 56 to 1,726 people, published in 2026: 1 pooled review and 1 single study.

The rows

1 no difference · 1 mixed
  1. Grade DBlood pressure in adults with raised systolic pressure · No difference

    RCT · n 56 · 2026 · Adults with systolic blood pressure of 130 mmHg or higher (primary prevention)

    440 mg/day · 8 weeks

    Systolic pressure fell 8.3 mmHg with the extract and 7.3 mmHg with placebo; the difference was not significant. Total cholesterol, LDL and apo B fell in both groups alike. Well tolerated.

    Row on the Olive leaf extract page · PubMed 41805711 (opens PubMed)

  2. Grade CBlood pressure, lipids and body weight (pooled) · Mixed

    Meta-analysis, 30 studies · n 1,726 · 2026 · 30 randomized trials of olive leaf or olive pomace supplements in adults

    Varied across trials · Varied across trials

    Olive leaf lowered total and LDL cholesterol, triglycerides, systolic and diastolic pressure and body weight, with no effect on blood sugar markers; olive pomace showed no consistent benefit.

    Row on the Olive leaf extract page · PubMed 42303499 (opens PubMed)

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