Herb
Rosemary
SaveA culinary evergreen herb used for antioxidant support, alertness, and digestive stimulation.
Quick verdict
A worthwhile food-first herb with plausible cognitive and circulatory benefits, though supplement-grade data is still moderate.
Evidence score
A rough internal score reflecting quantity, quality, and consistency of human evidence. Not a clinical recommendation.
What the research shows
Rosemary aroma and extracts have shown some cognitive and mood effects in small studies. Rosmarinic acid and volatile oils contribute much of the profile.
Benefits
- May support alertness and memory in small studies
- Provides antioxidant polyphenols
- Useful as a digestive and culinary aromatic
Dosage notes
Most commonly used as food, tea, or modest extract doses rather than aggressive supplementation.
Side effects
- Reflux
- GI irritation
- Headache from concentrated oils
Who should be cautious
Concentrated oils can irritate the GI tract and are not appropriate for casual oral use. Large doses may be problematic in pregnancy.
What this page cannot tell you
Most human studies are small, short, or use standardized extracts rather than the raw herb.
Leaderboard scores
- Memory25
- Focus25
- Longevity20
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