Rosemary Oil and anxiety
What 2 graded rows on rosemary oil agree on for anxiety, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Rosemary Oil page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Rosemary Oil page, with its PubMed record.
Your question
Rosemary Oil and anxiety
2 rows · 281 peopleSplit. 1 row found an improvement and 1 found no difference.
- CGrade C× 1
- ∅No effect× 1
- Rows
- 2
- Trials
- 2
- People
- 281
Where they differ
From the rowsThe best-graded row, grade C, is a randomized trial of 236 people (2024) and found an improvement. 1 row is graded No effect, our grade for adequately powered trials that found no effect.
The row that found an improvement was larger: 236 people, against 45 people for the row that found no difference.
The row that found an improvement is newer (2024) than the row that found no difference (2023).
The rows
1 improved · 1 no difference- CGrade CAnxiety before general surgery · Improved
RCT · n 236 · 2024 · 236 patients scheduled for general surgery, randomised to rosemary aroma, music, both, or an aromatic placebo (59 per group)
Three drops inhaled over 30 minutes, starting 1 hour before surgery · Single session
State anxiety fell significantly with rosemary aromatherapy (p = 0.001), music (p < 0.001) and the combination (p = 0.001); the authors report rosemary alone had the largest effect. The abstract gives no between-group difference against the placebo aroma.
Row on the Rosemary Oil page · PubMed 38242798 (opens PubMed)
- ∅No effectExam (test) anxiety · No difference
Crossover RCT · n 45 · 2023 · First-trimester chiropractic students; 45 randomised, 38 completed per protocol
Personal inhaler on exam days (control: distilled water) · 2 exam days with a 2-day washout
Change in anxiety did not differ between aromatherapy and control (intention-to-treat p = .10; per-protocol p = .07).
Row on the Rosemary Oil page · PubMed 36306254 (opens PubMed)