Lycopene and blood vessels
What 2 graded rows on lycopene agree on for blood vessels, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Lycopene page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Lycopene page, with its PubMed record.
Your question
Lycopene and blood vessels
2 rows · 254 peopleSplit. 1 row found an improvement and 1 had mixed results.
- CGrade C× 2
- Rows
- 2
- Trials
- 5
- People
- 254
- Pooled reviews may count some twice
What the rows share
From the rowsThe best-graded row, grade C, is a meta-analysis of 182 people (2026) and found an improvement.
The rows run from 72 to 182 people, published from 2014 to 2026: 1 pooled review and 1 single study.
The rows
1 improved · 1 mixed- CGrade CEndothelial function (flow-mediated dilation) · Improved
Meta-analysis, 4 studies · n 182 · 2026 · Healthy adults in 4 studies of at least 7 days
Varied; a separate study outside the pooled analysis used 15 mg/day for 8 weeks · At least 7 days
Flow-mediated dilation rose by 1.36 percentage points (95% CI 0.20 to 2.51); the result lost significance when one study was excluded.
- CGrade CEndothelial function (forearm blood flow) · Mixed
RCT · n 72 · 2014 · 36 statin-treated adults with cardiovascular disease and 36 healthy volunteers
7 mg/day · 2 months
Endothelium-dependent vasodilation improved 53% versus placebo in heart patients, with no change in healthy volunteers; blood pressure, arterial stiffness, lipids and hsCRP did not change in either group.