Tulsi (Holy Basil)Tulasī
Pacifies Vata and Kapha; mildly heating to Pitta.

Ocimum sanctum · Adaptogen · Warming
What Ayurveda says
Pacifies Vata and Kapha; mildly heating to Pitta.
Traditional uses
- ·Cough, cold, congestion
- ·Stress and immune support
- ·Blood sugar balance
- ·Mental clarity
How it is taken
Tea: 1 tsp dried leaves in hot water, 2–3 cups daily. Capsules: 300–600 mg.
Avoid in
- ✕Pregnancy and active conception attempts — may reduce fertility and uterine contractility in animal studies
- ✕Hypoglycemia or diabetics on insulin/sulfonylureas — monitor closely
- ✕Hypothyroidism — may lower thyroxine
- ✕Two weeks before surgery
- ✕With anticoagulants (warfarin, aspirin) due to eugenol content
Allergies
Belongs to the Lamiaceae (mint) family. Those allergic to basil, mint, oregano, or sage may react. Eugenol can trigger contact dermatitis.
Classical alternatives
For Pitta-dominant respiratory issues with heat, Yashtimadhu (Licorice) or Vasa (Adhatoda) is cooler. During pregnancy, plain ginger tea is safer for colds.
When to see a doctor
Persistent or severe symptoms, pregnancy, children under 12, anyone on prescription medication, and any new or worsening condition should be reviewed by a qualified clinician (GP or vaidya) before starting Tulsi (Holy Basil). Mild blood thinning and blood-sugar-lowering effects.
Citations & sources
The information presented here is for educational and general wellbeing purposes only. It is not medical advice, diagnosis, prescription, treatment or a cure for any condition, and is not a substitute for conventional medical care.
Ayurvedic herbs and formulations contain potent substances that can interact with medications and may be unsafe for certain conditions. Always consult your GP or a qualified healthcare professional before use. Ayurveda is classified as a complementary therapy in the UK and complements, rather than replaces, conventional treatment. We do not operate as registered medical doctors. Stop immediately and seek care if any symptom worsens; in an emergency call 999 or NHS 111.