Horsetail

Horsetail (Equisetum arvense) — specific reference entry in your Materia Medica.
Parts usedSterile stems (rich in silica)
Primary actionsAstringent/mineral; connective‑tissue support (traditional)
SystemsUrinary; Skin; Musculoskeletal
PreparationsLong infusion/decoction to extract mineralsTincture (less mineral)
NotesAncient silica‑rich plant used traditionally for tissues and urinary tone. Ensure correct species and clean source.
SafetyPotential thiaminase activity reported in some Equisetum—avoid very high chronic doses and raw preparations. Educational content. Consult a qualified professional regarding individual use, especially with medications, pregnancy, or medical conditions.