What kind of interaction is it?

Caution: an interaction that may reduce efficacy or raise side-effect risk and warrants monitoring.

Is this interaction backed by published research?

Yes. NutriStack lists 1 citation row for the Gotu Kola + Milk Thistle pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Supplement × Supplement·a caution·Emerging evidence

Gotu Kola + Milk Thistle

Q: Can I take Gotu Kola and Milk Thistle together?

Possibly, but with caution. Gotu Kola and Milk Thistle have a documented caution-tier interaction. Both Centella asiatica and milk thistle (silymarin) are botanicals with case-report associations to liver effects. Gotu kola has documented case reports of hepatotoxicity, including cholestatic and hepatocellular injury, with prolonged use. Combining two herbal products that load the liver warrants extra caution and monitoring.

Q: How does this affect a NutriStack Stack Score?

-5 to your Stack Score per scored caution row.

Caution Emerging evidence

Both Centella asiatica and milk thistle (silymarin) are botanicals with case-report associations to liver effects. Gotu kola has documented case reports of hepatotoxicity, including cholestatic and hepatocellular injury, with prolonged use. Combining two herbal products that load the liver warrants extra caution and monitoring.

Supplement × Supplement

Open the interaction checker → Read the methodology

From the database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, and the recommendation.

Substances

Gotu Kola and Milk Thistle

Pair type

Caution

Evidence

Emerging

Source citations

Scope

Supplement × Supplement

Last verified

June 4, 2026

CautionEmerging evidence

What is happening. Both Centella asiatica and milk thistle (silymarin) are botanicals with case-report associations to liver effects. Gotu kola has documented case reports of hepatotoxicity, including cholestatic and hepatocellular injury, with prolonged use. Combining two herbal products that load the liver warrants extra caution and monitoring.

Mechanism. Gotu kola has been implicated in idiosyncratic hepatotoxicity in case reports; milk thistle is generally hepatoprotective but adds to overall botanical burden and shares hepatic metabolism. The concern is additive monitoring need rather than a defined pharmacokinetic clash.

Recommendation. If used together, limit duration (traditional guidance suggests breaks after several weeks of gotu kola use), avoid high doses, and monitor for symptoms of liver injury such as jaundice, dark urine, right-upper-quadrant pain, or unusual fatigue. People with liver disease or on hepatotoxic medications should consult a clinician first.

Stack Score

How it moves the number.

Effect on the composite score

If both Gotu Kola and Milk Thistle are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).

The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.

Sources

Sources, by evidence tier.

Every claim on this page is cited. PMIDs link straight to PubMed.

Reference material

1Jorge OA, Jorge AD. Hepatotoxicity associated with the ingestion of Centella asiatica. Revista Espanola de Enfermedades Digestivas. 2005.Needs sourceNo link

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