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Salvia officinalis (Common Sage)
A Mediterranean herb with rosmarinic acid and salvianolic compounds that support cognitive function, menopausal symptom relief, and metabolic health through antioxidant and cholinergic mechanisms.
What the evidence says
Most Sage studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from high-quality meta-analyses and randomised trials published 2003–2026 with a typical study size of 67 participants.
Based on 20 studies · 2 meta-analyses · 13 RCTs · 1,240 total participants
Confidence
HighWhat the studies found
By outcome
See full supplement plans that include Sage.
Sage has an evidence score of 7.8/10 — strong evidence based on 20 indexed studies. A Mediterranean herb with rosmarinic acid and salvianolic compounds that support cognitive function, menopausal symptom relief, and metabolic health through antioxidant and cholinergic mechanisms.
The commonly studied dose of Sage is 300–600 mg standardized extract daily. Research points to an estimated optimal dose around 500mg, with a minimum effective dose near 300mg. Individual response varies — start low and adjust.
The best time to take Sage is with meals. Take it with food. Taking sage extract with meals reduces GI irritation from tannins and volatile oils.
Last reviewed May 2026 · evidence from 18 studies · how we score
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.
Salvia officinalis (common sage) is a perennial herb native to the Mediterranean basin, long used in traditional medicine across European, Middle Eastern, and Ayurvedic systems. Its primary bioactive constituents include rosmarinic acid, carnosic acid, carnosol, salvianolic acids, and volatile terpenoids such as 1,8-cineole and thujone. Modern research has focused on three main areas: cognitive enhancement (particularly acetylcholinesterase inhibition relevant to Alzheimer's disease), relief of menopausal symptoms (especially hot flashes and night sweats), and metabolic support (lipid regulation and antioxidant protection). Multiple clinical trials have demonstrated sage's ability to improve memory and attention in healthy adults, while systematic reviews confirm efficacy for vasomotor menopausal symptoms. Emerging evidence also supports benefits for polycystic ovary syndrome (PCOS), blood glucose regulation, and lipid profiles. Sage is generally well-tolerated at therapeutic doses, though its thujone content warrants caution with prolonged high-dose use or in individuals with seizure disorders.
Sage inhibits acetylcholinesterase (AChE), the enzyme that breaks down acetylcholine, increasing cholinergic neurotransmission and supporting memory and learning.
Rosmarinic acid, carnosic acid, and salvianolic compounds scavenge reactive oxygen species, protecting neurons and peripheral tissues from oxidative damage.
Sage contains phytoestrogenic compounds that bind to estrogen receptors, providing mild estrogenic activity that can modulate vasomotor symptoms and hormonal balance.
Sage extract modulates lipid metabolism and insulin sensitivity, contributing to improvements in triglycerides, LDL cholesterol, and fasting blood glucose.
Certain sage constituents modulate GABA-A receptors and reduce cortisol-mediated stress responses, contributing to anxiolytic and mood-stabilizing effects.
How Sage works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
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300–600 mg standardized extract daily
Take with food
| Form | Type |
|---|---|
| 💊Standardized extract (300–600 mg, 2.5% rosmarinic acid) | Recommended |
| 🍵Dried leaf tea | Alternative |
| 💧Tincture | Alternative |
| 💊Capsules with dried herb | Alternative |
Standardized extracts provide the most reliable and clinically validated dosing. Whole dried herb is acceptable for general wellness and culinary use but has lower potency for therapeutic applications.
Minimum: 4 weeks
Optimal: 12 weeks
Cycling: Use for 8–12 weeks, then take a 2–4 week break. Cycling helps prevent potential thujone accumulation with long-term use and maintains therapeutic responsiveness. Continuous low-dose use (culinary amounts) does not require cycling.
Note: Split dosing with morning and evening meals provides the most consistent blood levels of rosmarinic acid. For cognitive effects, morning dosing may be preferable. For menopausal symptom relief, twice-daily dosing is recommended based on clinical trial protocols.
Based on multiple RCTs showing improvements in word recall, working memory, and attention. Effects varied by specific cognitive domain and population. Most studies used standardized extracts.
Significant improvements in immediate and delayed word recall and working memory in healthy adults and those with mild cognitive impairment.
Clinically meaningful reduction in frequency and severity of hot flashes in menopausal women.
Improvements in mood, reduced anxiety, and better psychological well-being, particularly during menopause.
Modest reductions in LDL cholesterol and triglycerides, with some increase in HDL cholesterol.
Reduction in oxidative stress markers and inflammatory biomarkers.
Occasional nausea, heartburn, or mild digestive upset, especially at higher doses.
At very high doses or with essential oil forms, the thujone content may cause dizziness, tremors, or in extreme cases seizures.
Avoid therapeutic doses of sage supplements during pregnancy due to uterotonic properties. Culinary use (small amounts as spice) is considered safe.
Traditionally used to reduce milk production (antilactogenic effect). Avoid during breastfeeding if maintaining milk supply is desired.
Insufficient safety data for therapeutic use in children. Culinary amounts are safe.
Generally well-tolerated. Cognitive benefits are particularly relevant for older adults. Start at lower doses and monitor for drug interactions with common medications.
Avoid therapeutic doses due to thujone content, which may lower seizure threshold.
Use caution due to phytoestrogenic activity. Consult a healthcare provider before use if you have estrogen-receptor-positive cancers, endometriosis, or uterine fibroids.
Monitor blood glucose carefully as sage may lower blood sugar. Adjust antidiabetic medication dosing as needed with physician guidance.
Sage has mild anticoagulant properties via inhibition of platelet aggregation; may potentiate anticoagulant medications and increase bleeding risk.
Sage may lower blood glucose; combined use with antidiabetics may cause additive hypoglycemia. Monitor blood glucose closely.
Tip: Take with food; reduce dose if symptoms persist
Tip: Stay hydrated; use at lower doses
Tip: Usually dose-dependent; reduce dose or discontinue
Tip: Discontinue use; consult healthcare provider
Tip: Use only standardized extracts at recommended doses; avoid sage essential oil orally
Both herbs support cholinergic neurotransmission and memory via complementary mechanisms — sage through AChE inhibition, bacopa through enhanced nerve signal transmission and antioxidant neuroprotection.
Enhanced memory consolidation, attention, and neuroprotection with complementary mechanisms targeting different aspects of cognitive function
Lion's mane promotes nerve growth factor (NGF) synthesis for neurogenesis, while sage inhibits AChE to maintain acetylcholine levels — together they support both structural brain health and neurotransmitter function.
Comprehensive cognitive support through neurogenesis (lion's mane) and cholinergic enhancement (sage)
Both herbs support mood, cognitive function, and menopausal symptom relief through complementary mechanisms — saffron via serotonergic pathways, sage via cholinergic and phytoestrogenic mechanisms.
Improved mood, memory, and menopausal symptom management through serotonergic and cholinergic synergy
Complementary phytoestrogenic herbs that together provide broader coverage of menopausal symptoms including hot flashes, mood disturbances, and sleep disruption.
Enhanced menopausal symptom relief targeting vasomotor, psychological, and cognitive domains
Ashwagandha reduces cortisol and HPA axis dysregulation, while sage provides direct cognitive and hormonal support — together they address both the stress and neurological aspects of cognitive decline.
Reduced stress-related cognitive impairment, improved memory and mood, and hormonal balance
Omega-3 fatty acids provide structural neuronal membrane support and reduce neuroinflammation, complementing sage's AChE inhibition and antioxidant neuroprotection.
Comprehensive neuroprotection through anti-inflammatory (omega-3) and cholinergic/antioxidant (sage) mechanisms
Sage should be used with caution — talk to a healthcare provider before taking it. The most commonly reported side effects are nausea or GI upset, dry mouth, dizziness or headache. Use caution if any of these apply to you: Epilepsy or seizure disorders (thujone content may lower seizure threshold); Pregnancy (may stimulate uterine contractions; avoid therapeutic doses); Hormone-sensitive cancers (estrogenic activity; consult oncologist).
Ashwagandha
Likely helpsReduces cortisol and anxiety while improving sleep quality and physical recovery in stressed adults.
Thujone in sage may antagonize anticonvulsant medications and lower the seizure threshold, potentially reducing medication efficacy.
Additive cholinesterase inhibition may enhance cognitive effects but also increase cholinergic side effects such as nausea and bradycardia.
Sage may have mild hypotensive effects; combined use could produce additive blood pressure lowering.
Phytoestrogenic activity may interact with exogenous hormone therapies; clinical significance is unclear but caution is advised.
GABAergic activity of sage terpenoids may potentiate CNS depressants including benzodiazepines and alcohol.