PLANTS, THEIR PROPERTIES, YOUR BALANCE.
Botanical illustration: Common sage (Salvia officinalis)

BOTANICAL ILLUSTRATION · NOT SPECIFIED IN THE SOURCES CONSULTED.

THE HERBARIUM · NOT SPECIFIED IN THE SOURCES CONSULTED.

Common sage

Salvia officinalis

Common sage: guidance on the leaf, with uses and precautions specific to the documented preparations.

Part used
Leaf
Origin & distribution
Botanical distribution not documented in this leaflet.

Essential oil: unfavorable benefit–risk balance according to the EMA; do not ingest.

BOTANICAL IDENTITY

The right name is the first step.

Also known as: No synonyms listed.

Do not confuse with Greek sage or Danshen.

An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.

01 · UNDERSTAND

Properties & uses.

Traditional use

Digestion and sweating

Traditional uses for heartburn, bloating and excessive sweating.

Read the source
Traditional use

Mouth and skin

Traditional use for minor inflammation of the mouth, throat or skin.

Read the source

The traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.

02 · UNDERSTAND THE ACTION

How does the plant act?

Common sage is documented through the leaf, with several distinct traditional uses: mild digestive complaints, excessive sweating and minor inflammation of the mouth or skin. Its phenolic and aromatic fractions occur in different proportions depending on the preparation. The presence of thujones requires a clear distinction between the leaf and a concentrated essential oil.

Constituents to know.

Their presence and quantity depend on the plant part and preparation.

Rosmarinic acid and phenolic diterpenes
Leaf compounds studied for various experimental activities; they do not prove an overall clinical action.Read the reference
Thujones
Volatile-fraction constituents associated with a seizure risk at high exposure; their content must be controlled.Read the reference
Traditional use

Digestion and sweating

Medicinal uses of the leaf are based on tradition; data are insufficient to recognise all formulations as clinically effective.

Read the reference
Traditional use

Mouth and skin

Local preparations target minor inflammation; a result with the leaf does not validate an application of undiluted essential oil.

Read the reference

What this means for preparation.

Look for a precise formulation and its route of use. A strong fragrance indicates neither greater effectiveness nor a desirable amount of aromatic constituents.

03 · EXAMINE THE EVIDENCE

What the research shows.

A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.

01Traditional use

Why the conclusions differ for leaf and oil

Type of research
EMA assessment of the leaf and essential oil.
Preparation concerned
Defined leaf preparations and essential oil of Salvia officinalis.
Observed results
Traditional use of the leaf is accepted, while the risk of high thujone exposure prevents a positive monograph on the oil alone.
Limitations to consider
Clinical data do not meet the criteria for well-established use of the leaf; no therapeutic equivalence can be inferred.
Read the reference

What can we take from this?

Sage is not presented as a hormonal treatment for menopause or as a method of altering lactation. These areas require specific data and precautions.

Documentary review dated 09/10/2026. The references remain available to check the context.

04 · CHOOSE A PREPARATION

One plant, several preparations.

Only forms documented in this profile’s sources are presented.

InfusionLeaf · Route: oral

Cut leaf.

Please note: Follow the leaflet and duration of use.

Read the source
Local preparationLeaf · Route: mouth

Infusion, extract or tincture formulated for this route.

Please note: Do not substitute an essential oil.

Read the source

05 · BEFORE ANY USE

Precautions & contraindications.

This guidance does not cover every individual situation. Missing information is not a guarantee of safety.

Contraindications

  • Allergy to the preparation.

Medicine interactions

  • None reported for the leaf; check treatments.

Adverse effects

  • No known effects in the leaf monograph. Essential oil rich in thujone carries a risk of seizures.

Pregnancy & breastfeeding

Pregnancy and breastfeeding: medicinal use is not recommended due to insufficient data.

Children & adolescents

Not recommended under 18 years.

If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.

06 · PUTTING KNOWLEDGE INTO PRACTICE

Preparations & recipes.

A DOCUMENTED PREPARATION

Sage gargle — with pharmacist guidance

Traditional local use for mouth and throat inflammation. A controlled product must be selected before making this preparation.

Adults · 18+Mouth & throat · do not swallowTraditional use

Plant part: Quality-controlled dried medicinal leaves

Ingredients & quantities

  • 2.5 g fragmented Salvia officinalis L. leaves in a medicinal herbal tea checked by a pharmacist
  • 100 ml boiling drinking water

Preparation steps

  1. Ask a pharmacist to check the product and precautions, including control of thujone content; do not use sage of unknown provenance.
  2. Pour the 100 ml boiling water over the 2.5 g leaves.
  3. Steep for 5–15 minutes: the EMA glossary’s general method, as the monograph gives no plant-specific time. Follow the tea’s leaflet first.
  4. Strain, then allow to cool to a comfortable temperature before use.
  5. Gargle with the lukewarm preparation, then spit it out without swallowing.

Use: Adults aged 18+ only. EMA reference: 3 gargles daily; no exact contact time is stated. Seek advice if symptoms last over one week or worsen.

Storage: Prepare immediately before use (EMA glossary). The monograph establishes no storage period; do not prepare a stock batch.

Before you start. Contraindicated with sage allergy. Not recommended during pregnancy or breastfeeding because data are insufficient. Thujone can be neurotoxic; EMA requires controlled exposure in products. Do not add essential oil or swallow this gargle. If you have difficulty swallowing, do not gargle and seek advice.

Read all plant precautions

07 · CHECK THE SOURCES

Sources for this profile.

  1. EMA — Salviae officinalis folium: dossier and documentsAccessed on 09/10/2026
  2. EMA — Salvia officinalis L., folium monograph: preparation and precautionsAccessed on 09/10/2026
  3. EMA — Salviae officinalis aetheroleum: dossier and documentsAccessed on 09/10/2026
  4. EMA — public statement: Salviae officinalis aetheroleumAccessed on 09/10/2026
  5. ANSES — precautions for herbal supplements, June 2023 tableAccessed on 09/10/2026
  6. EMA — scientific assessment report: Salvia officinalisAccessed on 09/10/2026
  7. EMA — Glossary on herbal teas: general preparation method, §4Accessed on 09/10/2026

Illustration: Kurt Stüber [1] · CC BY-SA 3.0. View the original image and its licence. Image resized and converted to WebP.

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