Gotu Kola (Vallarai)
Centella asiatica
About Gotu Kola (Vallarai)
Gotu Kola (Vallarai) (Centella asiatica) is a herb used in the Siddha Medicine tradition to help with Memory, Wound Healing, Anxiety, and Circulation. The aerial parts are the part traditionally used, used both internally and topically.
Botanical background
Centella asiatica, commonly known as centella, Asiatic pennywort or Gotu kola, is a herbaceous, frost-tender perennial plant in the flowering plant family Apiaceae. It is native to wetlands in Asia. It is used as a culinary vegetable and as a medicinal herb.
Source: Wikipedia, via iNaturalist
Parts used
Conditions addressed
Tea / Infusion
- Steep 1–2 tsp of dried Gotu Kola (Vallarai) in freshly boiled water for 5–10 minutes.
- Cover while steeping.
- Strain and drink.
Tincture
- Pack dried Gotu Kola (Vallarai) into a jar and cover with 40–60% alcohol.
- Seal and steep for 4–6 weeks, shaking daily.
- Strain and store in a dark dropper bottle.
Powder / Capsule
- Grind dried Gotu Kola (Vallarai) into a fine powder.
- Fill size 00 capsules or stir into smoothies or honey.
Topical / Poultice
- Mash fresh Gotu Kola (Vallarai) or mix the powder with a little water to form a paste.
- Apply to the affected area for 20–30 minutes.
Infused Oil
- Fill a jar with dried Gotu Kola (Vallarai).
- Pour over a carrier oil until submerged.
- Leave for 4–6 weeks, then strain.
- Use topically or as a salve base.
Herbal Bath
- Brew 4–6 tbsp of Gotu Kola (Vallarai) in 1 litre of hot water for 15 minutes, strain, and add to a warm bath.
- Soak for 20–30 minutes.
Pregnancy, Breastfeeding & Children
No herb-specific pregnancy/child safety research is documented for Gotu Kola (Vallarai) in our references — the guidance below is based on its general effect category, not research on Gotu Kola (Vallarai) itself. Always confirm with a midwife, doctor, or pediatrician.
Pregnancy
Use CautionThis herb has blood-thinning (antiplatelet/anticoagulant) activity. These are generally used cautiously in pregnancy and are typically discontinued in the weeks before delivery due to bleeding risk — this is a general, mechanism-based caution, not herb-specific research.
Breastfeeding
Likely SafeBlood-thinning herbs are generally considered lower-risk during breastfeeding than in late pregnancy, though caution is still reasonable, especially at concentrated doses.
Children
Use CautionBlood-thinning herbs are generally used cautiously in children, particularly around any planned surgery or dental work.
Contraindications
- Pre-surgery — discontinue at least 2 weeks prior (potential antiplatelet effect)
- CNS medications (benzodiazepines, SSRIs, MAOIs) — may potentiate sedative or serotonergic effects
Warnings
⛔ Heart & Blood Pressure Medications
May interact with antihypertensive drugs, blood thinners, or cardiac medications. Do not combine without medical guidance.
⚠️ Sedatives & Antidepressants
May potentiate the effects of sedative, anxiolytic, or antidepressant medications. Use with caution alongside any CNS-active drugs.
⚠️ Allergic Reactions
Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.
⚠️ Not Medical Advice
This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.
Drug & herb interactions
Sedatives, liver-metabolized medications
Additive sedative effect; rare liver enzyme changes reported with prolonged use.
Where to find in nature
Native region
South India, Sri Lanka
Climate
Tropical
Habitat
Tropical forests, coastal areas, and medicinal gardens of Tamil Nadu and Sri Lanka
🌿 To see Gotu Kola (Vallarai) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier — never consume a plant you are not 100% certain of.
Where to buy
In store
- South Indian grocery stores
- Siddha and Ayurvedic medicine suppliers
- Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
- Naturopathic clinics and integrative medicine practices
- Specialist herbal apothecaries and herbalist practices
Online
iHerb
Wide selection of standardised extracts, capsules, and powders with lab testing
Mountain Rose Herbs
Premium bulk dried herbs — certified organic, ethically sourced
Starwest Botanicals
Large selection of certified organic bulk herbs and powders
Herb Pharm
High-quality liquid extracts and tinctures, rigorous quality standards
Amazon
Convenient — verify brand certifications and check third-party testing
Etsy
Small-batch artisan herbalists, hand-harvested and wildcrafted herbs
Quality tips
When buying Gotu Kola (Vallarai), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products — quality varies enormously.