Horse chestnut

Horse chestnut (Aesculus hippocastanum) — specific reference entry in your Materia Medica.
Parts usedSeed (standardized extracts/creams); bark/leaf (topical)
Primary actionsVenotonic; astringent
SystemsVascular
PreparationsTablets/capsules standardized to aescinTopical gels/creams for legs/veins
NotesWidely used as standardized aescin extracts for venous tone and leg comfort; topical gels are common. Raw seeds are toxic—use only prepared products.
SafetyReview interactions with anticoagulants; GI upset possible. Educational content. Consult a qualified professional regarding individual use, especially with medications, pregnancy, or medical conditions.