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Herb

Milk Thistle (Liver)

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Milk Thistle (Liver). Silymarin — most-studied liver herb, used for ALD, NAFLD, and toxin protection.

How it works. Stabilizes hepatocyte membranes; raises GSH; antifibrotic.

What the research supports. 2 graded claims. Strongest: Antidote for amatoxin 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 (Liver). Anecdotes are not medical advice.

Milk Thistle (Liver). Silymarin — most-studied liver herb, used for ALD, NAFLD, and toxin protection.

Key compound: silybinC25H22O10 · 482.4 g/mol

What it is

Silymarin — most-studied liver herb, used for ALD, NAFLD, and toxin protection.

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

Liver HealthAntioxidantsGallbladder Health

How it works

Stabilizes hepatocyte membranes; raises GSH; antifibrotic.

Pathways

  • Stabilizes hepatocyte membranes
  • raises GSH
  • antifibrotic

Effects

  • +Antidote for amatoxin poisoning (IV) supports
  • +Modest ALT/AST improvements supports

What the research supports

Antidote for amatoxin poisoning (IV)strong
Modest ALT/AST improvementslimited

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

  • GI upset

Medication interactions

Prescription medications (general)minor

Always disclose Milk Thistle (Liver) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

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.

Silymarin for liver disease: a meta-analysis ↗
Meta-analysis · Cochrane Database · 2007

Possible reduction in liver-related mortality; methodology heterogeneous.

PubMed: Milk Thistle (Liver) — Antidote for amatoxin poisoning ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: Milk Thistle (Liver) — Modest ALT/AST improvements ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Milk Thistle (Liver) and "Modest ALT/AST improvements". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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