Educational reference only · Not medical advice
Botanical illustration of Yaupon Holly

Ilex vomitoria

Yaupon Holly

Aquifoliaceae

Evidence: LimitedCaffeinated (low-moderate) North AmericaSafety information on file
Save to favorites

At a Glance

Common name
Yaupon Holly
Scientific name
Ilex vomitoria
Family
Aquifoliaceae
Region
North America
Plant part
Leaves (roasted)
Caffeine
Caffeinated (low-moderate)
Evidence
Limited
Safety review
Safety information on file

Safety & Cautions

Safety information on file
Contraindications
Contains caffeine; limit in pregnancy, anxiety, insomnia, hypertension, and arrhythmia; discontinue before surgery.
Drug interactions
Caffeine may interact with stimulants, theophylline, MAOIs, and blood-pressure drugs; consult a clinician.
Pregnancy
Limit to <=200 mg caffeine daily; consult a clinician.
Breastfeeding
Limit caffeine; monitor infant for irritability.
Children
Not recommended for regular use by children.
Allergies
Possible in those sensitive to Aquifoliaceae; rare.
Known adverse effects
Generally well tolerated; caffeine may cause insomnia, jitters, anxiety, palpitations, or GI upset; limit intake.

Botanical Description

An evergreen shrub or small tree with glossy serrated oval dark green leaves and small white four-petalled flowers; the roasted leaves are used.

Also known as: Cassina, Black Drink, Appalachian Tea

Historical Background

Yaupon holly is North America's only native caffeinated plant, brewed for at least a millennium as the 'black drink' by Indigenous peoples of the Southeast for ceremony, sociability, and daily vitality. Its roasted leaves were nearly forgotten after colonization but are now being revived as a native tea.

Earliest recorded uses: Indigenous North American traditions for at least 1,000 years; a caffeinated ceremonial 'black drink' of the Southeast.

Traditional preparations:

  • Roasted-leaf infusion
  • Ceremonial 'black drink'
  • Daily caffeine tea

Traditional Uses

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

Indigenous Southeastern Traditions

Ceremonial 'black drink' for sociability and vitality.

Modern Herbalism

Native caffeine tea (modern revival).

Flavor & Aroma

EarthySmoothTea-likeLightly Sweet

Aroma: Earthy, lightly sweet, tea-like

Tea Preparation

Preparation methods
Infusion, Roasted-leaf steep (like yerba mate or green tea)
Steeping temperature
180-200 F (82-93 C)
Steeping time
3-5 minutes
Recommended vessel
Teapot or gourd
Blends well with
Mint, Lemon Peel, Honey, Rose Hips, Ginger
180-200 F (82-93 C) 3-5 minutes

Modern Evidence

Evidence level: Limited

Yaupon holly is a traditional Indigenous caffeinated tea; its leaves contain caffeine and theobromine like its cousin yerba mate. Clinical evidence is limited; it is not a treatment for fatigue, obesity, or any disease, though it remains a valued native caffeine source.

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

References & Sources

  1. PubMed · Ilex vomitoria review (2019)
  2. NCCIH · Caffeine safety (2023)

Entry last updated August 4, 2026

Soothing Brews

An educational encyclopedia preserving the history, traditions, and modern evidence behind herbs used in teas and infusions. Inspired by antique botanical manuscripts.

Steeped in tradition, grounded in honesty.

Please Note

This is an educational reference, not a medical resource. Historical use does not imply effectiveness. Natural does not always mean safe. Consult a qualified healthcare professional before using herbs, especially if pregnant, nursing, or taking medications.

© 2026 Soothing Brews · For educational purposes only. · Privacy Policy

Preferred sources: NIH ODS · NCCIH · MSK Herbs · PubMed · WHO · EMA · German Commission E · Cochrane