HERBS A-Z · V
Vacha · Vacha
Acorus calamus — The "speaking herb" — a pungent marsh rhizome given traditionally to sharpen speech, memory and alertness, and to scrape Kapha from a foggy head.
Classical properties (Dravyaguna)
Rasa (taste): Bitter, pungent
Virya (potency): Heating
Vipaka (post-digestive): Pungent
Dosha effect: Pacifies Kapha and Vata
Parts used: Rhizome
Key benefits
- Sharpens speech and clarity (traditional)
- Clears mental fog and heaviness
- Supports memory (Medhya)
- Opens blocked sinuses (classical nasal use)
Conditions this herb helps with
Each links to our full guide — causes, home remedies, diet and when to see a doctor.
How to use at home
Very small doses of powder with honey; classical use is precise — best under a practitioner.
Typical safe range: 125-500 mg daily
Precautions: Small doses only — larger amounts cause nausea/vomiting. Avoid in pregnancy and high Pitta. Regulatory limits exist in some countries. Always inform your physician about herbs you take alongside prescribed medicines, and never stop prescriptions on your own.