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Sage

A kitchen herb with genuine cognitive research — and a well-known remedy for menopausal hot flushes.

Reviewed by Bodil Isaksson, Licensed Biomedical Scientist (Sweden)Last reviewed July 2026Food guide

FoodsHerbs & spicesBrainMenopause

Sage (Salvia officinalis and S. lavandulaefolia) is unusual among culinary herbs in having real randomised-trial support — for the brain and for menopause.

Key takeaways

  • Randomised trials show sage extracts acutely improve memory and attention in healthy adults, partly by inhibiting the acetylcholine-breakdown enzyme.1
  • Sage extract reduces menopausal hot flushes and night sweats.2
  • It’s also a strong antioxidant and antimicrobial.
  • Thujone caution: sage essential oil contains thujone — avoid high-dose oil and in pregnancy; culinary sage is fine.

What it is

Sage is a Mediterranean Salvia herb rich in rosmarinic acid and volatile compounds. Some of its actives inhibit acetylcholinesterase, the enzyme that breaks down the memory neurotransmitter acetylcholine — a mechanism shared with certain dementia drugs.

The evidence

Human RCTs report acute improvements in memory, attention and mood after sage extract in healthy adults,1 and controlled trials show sage extract cuts the frequency and severity of menopausal hot flushes and night sweats.2

How to use

Use fresh or dried sage in cooking, or standardised extracts for cognitive/menopausal purposes. Sage tea is a traditional option for hot flushes.

Safety

Culinary sage is safe. Sage essential oil / high-dose extracts contain thujone, which is neurotoxic in excess — avoid large medicinal doses and use in pregnancy/breastfeeding, and if you have epilepsy.

Bottom line: a rare culinary herb with real trial evidence — for memory and for hot flushes — just respect the thujone limit on concentrated sage oil.

References

Educational summary, not a prescription.

  1. The Acute and Chronic Cognitive Effects of a Sage Extract: a randomized, placebo-controlled study in healthy humans. Nutrients 2021. pmc.ncbi.nlm.nih.gov
  2. The effect of Salvia officinalis extract on menopausal symptoms in postmenopausal women: an RCT (see also Bommer 2011, Adv Ther). pmc.ncbi.nlm.nih.gov

This article summarises nutrition science for education and is not a substitute for individual medical advice.