Cranberry

At a Glance

Common name

Cranberry

Scientific name

Vaccinium macrocarpon

Family

Ericaceae

Region

North America

Plant part

Berries, Juice, Leaves (traditional)

Caffeine

Caffeine Free

Evidence

Moderate

Safety review

Safety information on file

Botanical Description

A low creeping evergreen vine with small oval leaves, delicate pink nodding bell-shaped flowers, and round tart red berries. The berries are the principal medicinal and culinary part.

Also known as: American Cranberry, Large Cranberry, Bearberry (in some regions)

Historical Background

Used by Native American peoples and early settlers as food and medicine; cranberry became one of the best-studied botanicals for urinary tract support, especially as juice and extracts.

Earliest recorded uses: Urinary comfort, kidney concerns, and as a nutrient-dense food.

Cultural significance: A North American icon of autumn harvests and a modern staple of urinary-tract wellness products.

1. Indigenous

   Native American groups use cranberry as food and medicine.

2. Modern

   Proanthocyanidins studied for prevention of bacterial adhesion in the urinary tract.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Fresh, fruity, sharp

Tea Preparation

Modern Evidence

A-type proanthocyanidins reduce bacterial adhesion to urinary tract cells; randomized trials support a preventive role for recurrent UTI, though evidence for treating an active infection is lacking.

Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.