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Milk Thistle 80% Silymarin

herbs

Milk thistle is a herbal supplement standardised to contain 80% silymarin, the active compound responsible for its hepatoprotective properties. Traditionally used in European medicine for liver support and detoxification, it has been extensively studied for its antioxidant and anti-inflammatory effects.

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Benefits

Liver function support
Hepatic detoxification
Antioxidant protection
Bile production stimulation
Anti-inflammatory effects

Dosage

Typical Dose

150-300 mg silymarin daily (equivalent to 200-375 mg of 80% extract)

Upper Limit

600 mg silymarin daily

Timing

With meals to enhance absorption

Forms & Bioavailability

Capsules/Tablets

Moderate; enhanced with standardised extracts and fat-soluble formulations

Liquid Extract

Good; rapid absorption, though taste may be bitter

Standardised Powder

Moderate; consistency varies by formulation

Side Effects

Mild gastrointestinal disturbance
Allergic reactions (rare, especially in Asteraceae-sensitive individuals)
Headache
Loose stools

Interactions

May inhibit cytochrome P450 enzymes, affecting medication metabolism
Potential interaction with oestrogen-dependent cancers
May enhance blood sugar-lowering effects of diabetes medications

Research Summary

Milk thistle has demonstrated hepatoprotective effects in numerous clinical trials, particularly for chemotherapy-induced liver injury and alcoholic liver disease. Silymarin's mechanism involves antioxidant activity, anti-inflammatory effects, and stabilisation of hepatocyte membranes. However, evidence quality varies, and some studies show modest benefit, warranting further rigorous investigation.

The Bottom Line on Milk Thistle 80% Silymarin

Milk Thistle 80% Silymarin is well-researched with strong evidence supporting its primary benefits.It is most commonly used for liver function support and hepatic detoxification. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.

About Our Research

This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.

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