Red spinach extract and strength

What 2 graded rows on red spinach extract agree on for strength, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Red spinach extract page, reviewed Oct 21, 2026 How it decides

What the rows agree on

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

Supplement

Red spinach extract Choose another

2 rows · 24 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.

From the rows

The best-graded row, grade D, is a crossover trial of 14 people (2025) and reported mixed results.

The rows run from 10 to 14 people, published from 2021 to 2025: 2 single studies.

1 no difference · 1 mixed

Grade DBench-press repetitions, power, muscle oxygenation and Stroop test · No difference
Crossover RCT · n 10 · 2021 · Resistance-trained men (USA)
2 g/day · 7 days (8th dose 40 minutes before testing)
No difference from placebo in repetitions (p=0.549), peak or mean power, muscle oxygenation, Stroop performance or perceived performance.
Row on the Red spinach extract page · PubMed 34071862 (opens PubMed)
Grade DBench-press velocity, repetitions to exhaustion and perceived exertion · Mixed
Crossover RCT · n 14 · 2025 · Resistance-trained men (USA)
Single dose providing 400 mg nitrate, 2 hours before exercise · Single dose
Bar velocity rose (p=0.035) and perceived exertion fell, but total repetitions to exhaustion did not change (p=0.935).
Row on the Red spinach extract page · PubMed 41441447 (opens PubMed)