Overview
Silymarin — most-studied liver herb, used for ALD, NAFLD, and toxin protection.
- 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
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Stabilizes hepatocyte membranes; raises GSH; antifibrotic.
- · Stabilizes hepatocyte membranes
- · raises GSH
- · antifibrotic
Effects on the body
Organ system effects
Milk Thistle (Liver) supports hepatocyte antioxidant defenses (glutathione, Nrf2) and phase-I/II detoxification.
Evidence-based benefits
Antidote for amatoxin poisoning (IV)
Strong evidenceModest ALT/AST improvements
Limited evidencePotential side effects
- · GI upset
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
- Milk thistle (silymarin)Complementary hepatoprotective antioxidant pathways.
- NACRestores hepatic glutathione.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Scientific evidence9Show studiesHide studies
Silymarin for liver disease: a meta-analysis
Rambaldi A, et al.
Cochrane review of milk thistle in liver disease.
Possible reduction in liver-related mortality; methodology heterogeneous.
PubMed: Milk Thistle (Liver) — Antidote for amatoxin poisoning
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PubMed: Milk Thistle (Liver) — Modest ALT/AST improvements
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PubMed: Milk Thistle (Liver) — dose response
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