HerbMate Library

Horsetail

Equisetum arvense
herbhairnailsskindiureticsilica

Horsetail is a mineral-rich plant traditionally used for mild diuretic support and for hair/skin/nail routines due to its silica content. It’s best used short-term and from reputable sources, because improper products can include compounds (like thiaminase) that may be problematic with long-term heavy use.

Key Benefits

Common Issues It May Help With

How To Use (Simple)

Taste / Notes

Mild, grassy, slightly mineral.

Evidence Level

Traditional use plus some evidence for mild diuretic action; hair/nail claims are mostly supportive and nutrition-based.

Cautions

Avoid long-term daily high-dose use. Use caution if you have kidney disease. Avoid during pregnancy/breastfeeding due to limited data. If product is not properly processed, thiaminase risk is a concern—choose reputable suppliers.

Interactions

Use caution with diuretic medications (additive effects) If on lithium, avoid diuretic herbs unless clinician-guided (lithium levels can shift) If you take thiamine-sensitive medications or have malnutrition risk, avoid long-term heavy use

Debug: Loaded Herb Fields (verification)
{
  "slug": "horsetail",
  "title": "Horsetail",
  "latinName": "Equisetum arvense",
  "category": "herb",
  "tagsCount": 5,
  "summaryLen": 307,
  "benefitsBullets": 4,
  "issuesItTreats": 4,
  "howToUse": 2,
  "hasTaste": true,
  "hasEvidence": true,
  "hasCautions": true,
  "hasInteractions": true
}