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Side-by-side comparison of 1 supplements

Horsetail

Evidence Score2.5/10

Studies: 4

Meta-analyses: 0

Dosage:

Standardized dried extract ~900 mg/day (the diuretic-trial dose); no validated dose exists for hair/nail/bone use

Best Time:

With meals · with food

Take with food

Form:

Standardized dried extract (short-term)

💧 Increased urine output50%

Acute (within hours)

🩹 Topical wound healing (localized)30%

5-10 days (topical)

ℹ️ Hair/nail/bone benefit (unproven)70%

Unknown

Limited safety

Contraindications:

Pregnancy/breastfeeding (thiaminase; a case report links prenatal use to thiamine deficiency)
Thiamine (B1) deficiency or alcohol-use disorder
Use with potent diuretics (additive fluid/electrolyte effects)

Drug Interactions:

Side Effects:

Increased urinationThiamine (B1) depletion with chronic use

complementary

complementary

complementary

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