Educational reference only · Not medical advice
Botanical illustration of Mistletoe

Viscum album

Mistletoe

Santalaceae

Evidence: InsufficientCaffeine Free EuropeSafety information on file
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At a Glance

Common name
Mistletoe
Scientific name
Viscum album
Family
Santalaceae
Region
Europe
Plant part
Aerial parts (young twigs & leaves)
Caffeine
Caffeine Free
Evidence
Insufficient
Safety review
Safety information on file

Safety & Cautions

Safety information on file
Contraindications
Avoid in pregnancy, autoimmune disease, and with immunosuppressants; raw berries and high-dose extracts potentially toxic — restrict to tea amounts; consult a clinician for any use.
Drug interactions
May modulate immune-suppressive and blood-pressure therapy; may interact with antihypertensive and cardiac medications; consult a clinician.
Pregnancy
Avoid.
Children
Not recommended for children.
Allergies
Possible in those sensitive to Santalaceae; rare contact allergy.
Known adverse effects
May cause GI upset, chills, fever, or, rarely, allergic reactions; mistletoe lectins are cytotoxic — extracts are used clinically, but the raw plant is potentially toxic; restrict use to food/tea amounts.

Botanical Description

An evergreen hemi-parasitic shrub forming dense round clumps on host tree branches, with thick leathery oblong green leaves in pairs and small round translucent white berries; the aerial parts are used.

Also known as: European Mistletoe, Viscum, Druid's Herb

Historical Background

Mistletoe has been a sacred plant of Celtic and Druidic winter rituals for millennia, a symbol of peace and healing under the oak. A gentle European tea tradition used it for circulation and calm, though the raw plant requires caution.

Earliest recorded uses: Celtic, Druidic, and European folk traditions for millennia; a sacred winter plant of peace and healing.

Traditional preparations:

  • Cold infusion of twigs & leaves
  • Circulation tea with hawthorn
  • Winter calm blend

Traditional Uses

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

Traditional European Herbalism

Sacred winter plant of peace and healing; circulation tea.

Modern Herbalism

Gentle circulation and calming tea (caution required).

Flavor & Aroma

MildSlightly BitterGreenAstringent

Aroma: Mild, slightly bitter, green

Tea Preparation

Preparation methods
Infusion (cold or short warm)
Steeping temperature
Cold or 160°F (70°C) short
Steeping time
10-12 hours cold; or 5 minutes warm
Recommended vessel
Teapot (cold infusion preferred)
Blends well with
Hawthorn, Lemon Balm, Honey, Green Tea, Rose
Cold or 160°F (70°C) short 10-12 hours cold; or 5 minutes warm

Modern Evidence

Evidence level: Insufficient

Mistletoe has a European folk tradition for circulation and calm; parenteral mistletoe extracts are studied as cancer therapy support in some countries, but oral tea evidence is insufficient. It is not a treatment for hypertension, cancer, or any disease; use only with clinician oversight.

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. EMA HMPC · Visci albi herba monograph (2014)
  2. PubMed · Viscum album review (2019)

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.

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