Field Horsetail (Equisetum arvense) is an ancient, spore-bearing plant renowned for its unmatched organic silica content (up to 8-10% dry weight) and flavonoids. Silica is a critical structural mineral that stimulates collagen synthesis, fortifies connective tissues, promotes bone mineralization, and strengthens weak nails and hair. In addition, its flavonoids and mineral salts provide a gentle, non-irritating diuretic action that flushes the urinary tract.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
CRITICAL: Ensure you use Equisetum arvense; wild harvesting carries a risk of toxic Equisetum palustre contamination. Do not use if you have severe kidney disease or heart failure. Do not take long-term continuously (over 2 months) as it contains thiaminase, which can deplete vitamin B1.
Evidence level: Moderate
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