ByDr. Brennan Commerford, Chiropractic Physician·Last reviewed: April 2026
All Ingredients
Botanical1 form

Uva Ursi

Preferred Form
Bearberry Extract
Bioavailability
S2
Evidence Level
Moderate Evidence

Quick Answer

What is the best form of Uva Ursi?

Bearberry Extract is our top-ranked form of Uva Ursi, classified as T1 Preferred with S2 bioavailability. We compared 1 forms in our formulary.

Our recommendation: Bearberry Extract

1forms compared

All Forms of Uva Ursi

FormTierBioavailabilityDose RangeUnit
Bearberry ExtractT1 PreferredS2

Bioavailability by Form

S2 — Good
Bearberry Extract

What is Uva Ursi?

Uva Ursi is a Botanical supplement available in 1 form.

Not all forms of Uva Ursi are equal. The form you choose determines how much Uva Ursi actually reaches your tissues, and the difference between the best and worst forms can be substantial. This Uva Ursi (Arctostaphylos uva-ursi) bearberry extract concentrates arbutin—the glycoside that is hydrolyzed to hydroquinone in the urinary tract—for supporting healthy urinary tract microbial balance. Research supports standardized arbutin content in uva ursi for promoting urinary tract health.

Forms of Uva Ursi Compared

Uvae Ursi (Bearberry Extract) Preferred (T1 Preferred) has a bioavailability rating of good (S2). Typical dose range: not yet documented in our database.

What the Research Shows

Uva Ursi (Arctostaphylos uva-ursi, bearberry) extract provides arbutin — a glycoside that is converted to hydroquinone in alkaline urine, supporting urinary tract antimicrobial activity. Research supports its traditional use for urinary tract comfort, particularly in combination with adequate hydration and urinary alkalinization.

How to Choose the Right Form

Uvae Ursi (Bearberry Extract) is classified as T1 Preferred in the FormulaForge formulary — our top recommendation for Uva Ursi. It carries a bioavailability rating of good (S2), meaning more of the active compound reaches your tissues per dose unit compared to lower-tier forms.

When choosing a Uva Ursi supplement, look for the S1 (best absorption) bioavailability tier on the label or formulary listing. T1 Preferred forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

For Uvae Ursi (Bearberry Extract), the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Dosing information not yet available for this ingredient.

Frequently Asked Questions

What is the best form of Uva Ursi?
Uvae Ursi (Bearberry Extract) is the T1 Preferred form of Uva Ursi in the FormulaForge formulary, reflecting research-backed evidence for superior bioavailability (good (S2)). This classification is based on published absorption studies and clinical evidence quality. The best form for you depends on your individual health goals and your healthcare provider's recommendations. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen.
How much Uva Ursi should I take daily?
Dosing information for Uva Ursi is being compiled in our database. Individual dose requirements vary based on health goals and existing nutrient intake. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
What are the benefits of Uva Ursi?
Uva Ursi has been studied for its role in supporting: Supports urinary tract health and comfort, Supports healthy microbial balance in the urinary system, Supports kidney health, Supports mild diuretic activity. Uva Ursi (Arctostaphylos uva-ursi, bearberry) extract provides arbutin — a glycoside that is converted to hydroquinone in alkaline urine, supporting urinary tract antimicrobial activity. Research supports its traditional use for urinary tract comfort, particularly in combination with adequate hydration and urinary alkalinization. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
When is the best time to take Uva Ursi?
Optimal timing for Uva Ursi supplementation depends on the specific form, dosage, and individual factors. Some forms may be better absorbed with food; others may not require food. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen.
Are there side effects of taking Uva Ursi?
Tolerability of this Botanical supplement varies by individual, dose, and specific form. Some individuals may experience gastrointestinal discomfort at higher doses. Specific side effect profiles for each form of Uva Ursi are documented in our formulary where available. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
What forms of Uva Ursi are available?
There are 1 form of Uva Ursi in our formulary: Uvae Ursi (Bearberry Extract) (T1 Preferred, bioavailability: good (S2)). Forms differ in chemical structure, bioavailability, and typical dose range. FormulaForge classifies forms by tier based on published bioavailability evidence.

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FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.