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Horsetail (Equisetum arvense) plant
Skeletal

Horsetail (Equisetum arvense)

Photo: © geograph.org.uk contributor · CC BY-SA 2.0

  • Skeletal
  • 1 condition
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Overview

Horsetail (Equisetum arvense) is a primitive perennial plant with hollow, segmented stems - first producing spore-bearing yellowish fruiting stems in spring, then green, needle-like sterile stems reaching about 2 ft (60 cm). It is rich in silica.

Traditional uses & properties

Minerals: High in silica.

Safety & precautions

Long-Term Use: Can deplete vitamin B1 (thiamine). Children: Not recommended without professional advice. General: Large amounts or prolonged usage should be monitored by a healthcare professional.

Educational reference only - not medical advice. Herbs can interact with medications. Consult a qualified healthcare provider before use. Full disclaimer.

Drug interactions

Interaction data is not available for this herb - talk to a pharmacist before combining it with any medication. A blank entry here means we have not documented interactions, not that none exist.

Habitat

Found across Europe, North Africa, northern Asia, and the Americas, horsetail typically grows in damp soils, near marshes and along riverbanks. The sterile stems are harvested in summer, carefully dried, discarding discolored parts.

Traditionally used for

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Frequently asked questions

What is Horsetail (Equisetum arvense) traditionally used for?

Traditional sources describe Horsetail (Equisetum arvense) as follows: Minerals: High in silica.

What safety cautions apply to Horsetail (Equisetum arvense)?

Long-Term Use: Can deplete vitamin B1 (thiamine). Children: Not recommended without professional advice. General: Large amounts or prolonged usage should be monitored by a healthcare professional.