Scientific Name: Arctostaphylos uva-ursi
Bearberry (Arctostaphylos uva-ursi), also known as Kinnikinnick or Uva ursi, is an evergreen shrub native to North America, Europe, and Asia. Its leaves have been valued in traditional medicine for centuries, primarily for urinary tract and kidney support.
1. Botanical Profile
| Category | Information |
|---|---|
| Common Names | Bearberry, Uva ursi, Kinnikinnick |
| Scientific Name | Arctostaphylos uva-ursi |
| Family | Ericaceae |
| INCI Name | Arctostaphylos Uva Ursi Leaf Extract |
| CAS Number | 84776-10-3 |
| EC Number | 283-934-3 |
| Plant Type | Evergreen shrub |
| Native Regions | North America, Europe, Asia |
| Part Used | Leaves |
2. Traditional Uses
Traditionally, Bearberry leaves were prepared as teas or tinctures to:
| Purpose | Traditional Role |
|---|---|
| UTI support | Help fight urinary tract infections (UTIs) |
| Bladder health | Reduce irritation & inflammation |
| Kidney health | Support elimination and renal function |
| Incontinence | Traditionally used for mild urinary leakage |
3. Active Compounds
The medicinal properties of Bearberry come from its unique phytochemical profile:
| Compound Type | Example Compounds | Notable Actions |
|---|---|---|
| Glycosides | Arbutin (hydroquinone glycoside) | Antimicrobial effect on urinary tract |
| Tannins | Hydrolyzable & condensed tannins | Astringent, reduces inflammation |
| Flavonoids | Quercetin derivatives | Antioxidant, anti-inflammatory |
| Terpenoids | Triterpenes | Protective cellular activity |
4. Available Forms & Suggested Use
| Form | Preparation | Suggested Use |
|---|---|---|
| Tincture | Extracted in alcohol | 2–4 ml (40–80 drops), diluted in water, up to 3 × daily |
| Tea (Tisane) | 1–2 tsp dried leaves, steep in 250 ml (1 cup) hot water for 10–15 min; strain | 1–3 cups daily |
| Herbal Capsules | Powdered bearberry leaf in capsules | 400–800 mg, 2–3 × daily |
5. Safety, Precautions & Contraindications
| Category | Guidance |
|---|---|
| Duration of Use | Do not use for more than 7 consecutive days without supervision |
| Pregnancy/Breastfeeding | Avoid use |
| Children | Not recommended for under 12 years |
| Drug Interactions | May interact with diuretics, corticosteroids, or other urinary-related medications |
| Side Effects | Possible nausea, vomiting, or abdominal discomfort; discontinue if these occur |
| Toxic Component | Contains hydroquinone, which can be toxic in high doses or prolonged use |
6. Safety & Storage
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Store in a cool, dry place, away from sunlight.
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Keep tightly sealed, out of reach of children and pets.
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Do not exceed the recommended daily dose.
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Consult a professional before use in case of chronic illness, surgery preparation, or concurrent medications.
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Always use herbs as part of a balanced diet and healthy lifestyle.
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Not evaluated by SAHPRA for safety, quality, or efficacy.
✅ Summary:
Bearberry (Arctostaphylos uva-ursi) is a traditional urinary and kidney health herb valued for its antimicrobial, anti-inflammatory, and astringent actions. Best used short-term and under professional guidance, it remains a widely respected herb for supporting urinary wellness when taken responsibly.