Tulsi (Holy Basil)
Also known as: Ocimum sanctum, Ocimum tenuiflorum, Holy Basil
Traditional use – check with a registered AYUSH practitioner; buy only AYUSH-licensed products.
Tulsi is a sacred plant in Indian homes, traditionally used for cough, cold and stress.
Common brands
- Himalaya Tulasi
- Organic India Tulsi
- Patanjali Tulsi Drops
Dosage forms
- Fresh leaves
- Tea
- Drops
- Tablet
Uses
- Cough and cold (traditional)
- Sore throat
- Stress
How it works
Contains eugenol and other compounds with anti-inflammatory activity in lab studies.
How to take
Leaves in tea or kadha, or as directed.
Common side effects
- Usually well tolerated
Serious side effects — get medical help
- Can lower blood sugar
- May slow blood clotting
Who should not take it
- Pregnancy (in medicinal doses)
- Before surgery
Interactions
- Blood thinners
- Diabetes medicines
Pregnancy & breastfeeding
Avoid medicinal doses in pregnancy; culinary use is fine.
Alcohol & driving
No restriction.
Storage
Store dry.
Used for these conditions
Prescribed by
Brands available in India
Frequently asked questions
What is Tulsi (Holy Basil) used for?
Cough and cold (traditional), Sore throat, Stress
What are the side effects of Tulsi (Holy Basil)?
Usually well tolerated
How should I take Tulsi (Holy Basil)?
Leaves in tea or kadha, or as directed.
Who should not take Tulsi (Holy Basil)?
Pregnancy (in medicinal doses), Before surgery
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- Ayurvedic Pharmacopoeia of India, Ministry of AYUSH
- Ayurvedic Formulary of India
- NCCIH herb fact sheets
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.