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Horsetail Extract (Silica) – Herbal horsetail extract providing plant‑based silica in dietary supplementsHorsetail Extract (Silica) is a herbal extract from the horsetail plant (Equisetum arvense), naturally containing silica and other plant compounds. It is used in dietary supplements as a botanical source of silica, typically standardised to a defined silica content and formulated into capsules, tablets, or powders.Origin, characteristics, and formsSupplement‑grade horsetail extract is usually prepared from the dried aerial parts of Equisetum arvense, which are cut, extracted (e.g. with water), concentrated, and dried to a powder. Product labels may indicate an extraction ratio (such as 5:1) and/or a standardised silica content, indicating how much plant material and silica correspond to each daily serving. In addition to silica, horsetail extract contains naturally occurring flavonoids and small amounts of minerals.Role in dietary supplementsHorsetail Extract (Silica) commonly appears:as a plant‑based silica source in single‑ingredient capsules or tablets;in hair, skin, and nail formulas, often combined with nutrients like biotin, zinc, or vitamin C;as part of multi‑herb blends, where horsetail is one of several botanical components.These products are marketed and regulated as dietary supplements, not as medicinal products.Use, labelling, and precautionsOn labels, the ingredient is typically listed as “horsetail extract (Equisetum arvense)” and may be described as “standardised to x% silica”, with the amount of extract per daily serving stated in milligrams and sometimes the corresponding silica in milligrams as well. The recommended daily dose should not be exceeded. People with kidney disease, those taking medication, pregnant or breastfeeding women, children, older adults, and individuals with known plant allergies should consult a healthcare professional before using high‑dose or long‑term horsetail supplements.Important herbal‑style disclaimerHerbal products containing Horsetail Extract (Silica) are not a substitute for medical diagnosis or treatment. They are not intended to diagnose, treat, cure, or prevent any disease. Persistent, worsening, or unexplained symptoms should always be assessed by a doctor rather than relying solely on herbal or dietary supplements. Any references to traditional use reflect historical and cultural practice only and do not constitute personalised medical advice. Supplements with horsetail extract may form part of a healthy lifestyle but do not replace a varied, balanced diet or professional medical care.