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Herb

Milk Thistle (Silymarin)

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Milk Thistle (Silymarin). Hepatoprotective flavonolignan — best-known liver herb, often used around alcohol exposure.

How it works. Silibinin stabilizes hepatocyte membranes against toxins, raises GSH, and inhibits 5-LOX.

What the research supports. 2 graded claims. Strongest: Antidote for Amanita mushroom poisoning (IV) (strong).

How much to take. Typical dose: 200–400 mg silymarin.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with Milk thistle (silymarin), NAC.

Common forms. Available as Standardized extract capsule, Liquid tincture (alcohol or glycerin), Powdered whole herb, Traditional decoction or tea.

Key studies. 9 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Milk Thistle (Silymarin). Anecdotes are not medical advice.

Milk Thistle (Silymarin). Hepatoprotective flavonolignan — best-known liver herb, often used around alcohol exposure.

Key compound: silybinC25H22O10 · 482.4 g/mol

What it is

Hepatoprotective flavonolignan — best-known liver herb, often used around alcohol exposure.

Food sources

Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice

Goals

Pre-Drinking SupportPost-Drinking RecoveryLiver Health

How it works

Silibinin stabilizes hepatocyte membranes against toxins, raises GSH, and inhibits 5-LOX.

Pathways

  • Membrane stabilization
  • GSH preservation
  • Anti-fibrotic

Effects

  • +Antidote for Amanita mushroom poisoning (IV) supports
  • +Mild ALT/AST improvement in chronic liver disease supports

What the research supports

Antidote for Amanita mushroom poisoning (IV)strong
Mild ALT/AST improvement in chronic liver diseaselimited

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
200–400 mg silymarin
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith food
Best formMost evidence is based on the standardized extract capsule form.
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Side effects & interactions

Common side effects

  • Mild GI

Medication interactions

CYP3A4 substratesminor

Possible mild inhibition.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

Common forms

  • Standardized extract capsule
  • Liquid tincture (alcohol or glycerin)
  • Powdered whole herb
  • Traditional decoction or tea

Key studies

9 studies cited in total.

PubMed: Milk Thistle (Silymarin) — Antidote for Amanita mushroom poisoning ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Milk Thistle (Silymarin) and "Antidote for Amanita mushroom poisoning". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Milk Thistle (Silymarin) — Mild ALT/AST improvement in chronic liver disease ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Milk Thistle (Silymarin) and "Mild ALT/AST improvement in chronic liver disease". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Milk Thistle (Silymarin) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Milk Thistle (Silymarin) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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