BOTANICAL IDENTITY
The right name is the first step.
Also known as: No synonyms listed.
Do not equate with other cultivated blueberries or cranberry.
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.
Heavy legs
Some fresh-fruit extracts have a traditional use for minor circulatory disorders. The trials do not allow a firm clinical conclusion.
Read the sourceThe 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?
Fresh fruit and dried fruit of bilberry belong to two different use dossiers. Certain fresh-fruit extracts are traditionally used for minor circulatory problems; tannin-rich dried preparations are associated with other uses, particularly digestive uses. A promise about vision does not follow from the fruit's purple color. Vaccinium myrtillus must also be distinguished from cultivated blueberries of other species.
Constituents to know.
Their presence and quantity depend on the plant part and preparation.
- Anthocyanins
- Fruit pigments; their profile and stability vary with origin, processing and storage.Read the reference
- Tannins
- Their importance for dried fruit does not allow its uses to be attributed indiscriminately to all fresh-fruit extracts.Read the reference
Minor circulatory complaints
Some fresh-fruit extracts fall within traditional use for symptoms such as heavy legs or capillary fragility; this framework is not equivalent to prevention of thrombosis.
Read the referenceNight vision
Research does not support promises of improved night vision from a bilberry product.
Read the referenceWhat this means for preparation.
Identify fresh fruit, dried fruit or a characterized extract on the label. Data for a circulatory preparation do not define the use of jam, juice or an antidiarrheal preparation.
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.
Unconvincing vision trials
- Type of research
- EMA report examining controlled trials and their synthesis.
- Preparation concerned
- Bilberry extracts, sometimes combined with other substances.
- Observed results
- The recent trials reviewed did not show a clear benefit for night vision.
- Limitations to consider
- Small trials, different formulations and combinations prevent a reproducible specific effectiveness from being established.
What can we take from this?
A recent change in vision requires appropriate assessment. The presence of anthocyanins does not constitute proof of protection against retinal disease or correction of visual acuity.
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.
Fresh fruit extractFresh fruit / Dried fruit · Route: oral
Dry extract presented in a solid form.
Please note: The conclusions do not apply to a serving of berries.
Read the source05 · BEFORE ANY USE
Precautions & contraindications.
This guidance does not cover every individual situation. Missing information is not a guarantee of safety.
Contraindications
- Allergy; seek medical advice for sudden swelling, a painful leg or unexplained bleeding.
Medicine interactions
- Interactions not sufficiently detailed in the summary consulted.
Adverse effects
- No effects reported at the time of assessment; this does not guarantee safety.
Pregnancy & breastfeeding
Pregnancy and breastfeeding: medicinal use is not recommended due to insufficient data.
Children & adolescents
Fresh-fruit extracts for adults only.
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
Dried bilberry decoction — mild diarrhoea
Traditional use of dried ripe fruit for mild diarrhoea. This reference does not cover leaves, juice or fresh-fruit extracts intended for other uses.
Plant part: Dried ripe fruit, whole or fragmented
Ingredients & quantities
- 5–15 g quality-controlled, dried ripe Vaccinium myrtillus L. fruit
- 250 ml cold drinking water
Preparation steps
- Place the weighed fruit in the 250 ml cold water.
- Bring to the boil, then simmer for 15–30 minutes: the EMA glossary’s general method, as the monograph gives no preparation-specific time. Follow the leaflet first.
- Strain carefully and allow to cool to a comfortable temperature before use.
Use: Adults aged 18+. EMA reference: 1 preparation, 3–4 times daily, within 15–60 g dried fruit per day. Maintain rehydration. Seek advice if symptoms worsen or last over 3 days; sooner for blood, fever or dehydration signs.
Storage: Prepare immediately before use. The monograph establishes no storage period for this water-based preparation; do not make a stock batch.
Before you start. Avoid with bilberry allergy. The monograph permits dried fruit during pregnancy and breastfeeding; this does not extend to leaves and extracts. Seek individual advice before medicinal use. No reported interactions does not mean interactions are impossible.
A DOCUMENTED PREPARATION
Dried bilberry mouth rinse
Traditional use for minor mouth inflammation. This rinse has a different concentration from the decoction intended for drinking.
Plant part: Dried ripe fruit, whole or fragmented
Ingredients & quantities
- 20 g quality-controlled, dried ripe Vaccinium myrtillus L. fruit
- 200 ml cold drinking water
Preparation steps
- Place the 20 g fruit in the 200 ml cold water.
- Bring to the boil, then simmer for 15–30 minutes: the EMA glossary’s general method, as the monograph gives no preparation-specific time. Follow the leaflet first.
- Strain carefully and allow to cool to a comfortable temperature before use.
- Rinse the mouth, then spit out without swallowing.
Use: Adults aged 18+. EMA reference: several rinses daily, with no precise number or contact time stated. Seek advice if symptoms worsen or last over one week.
Storage: Prepare immediately before use. The monograph establishes no storage period for this water-based preparation; do not make a stock batch.
Before you start. Do not swallow this concentrated rinse. Avoid with bilberry allergy. Do not substitute leaves for dried fruit. EMA permits dried fruit during pregnancy and breastfeeding; seek advice for medicinal use. Toothache, swelling or fever need professional assessment.
07 · CHECK THE SOURCES
Sources for this profile.
- EMA — Myrtilli fructus siccus: dossier and documentsAccessed on 09/10/2026
- EMA — Myrtilli fructus recens: dossier and documentsAccessed on 09/10/2026
- EMA — Monograph: Myrtilli fructus recensAccessed on 09/10/2026
- ANSES — precautions for herbal supplements, June 2023 tableAccessed on 09/10/2026
- EMA — scientific assessment report: Vaccinium myrtillusAccessed on 09/10/2026
- EMA — Monograph on Vaccinium myrtillus L., fructus siccusAccessed on 09/10/2026
- EMA — Glossary on herbal teas, general method (§4)Accessed on 09/10/2026
A TOUCH OF SOLÉA
Myriam’s tip
Myriam is reviewing the tip for this profile.
Myriam
