ByDr. Brennan Commerford, D.C.·Last reviewed: April 2026
All Ingredients
Botanical1 form

Milk Thistle Extract (80% Silymarin)

Evidence Level
Moderate Evidence

The Milk Thistle Extract (80% Silymarin) form we carry

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Quick Answer

Which form of Milk Thistle Extract (80% Silymarin) do we use?

Our formulary carries a single form of Milk Thistle Extract (80% Silymarin). See the details below.

All Forms of Milk Thistle Extract (80% Silymarin)

FormTierForm ScoreDose RangeUnit
ExtractMapped
Verification pending
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What is Milk Thistle Extract (80% Silymarin)?

Milk Thistle Extract (80% Silymarin) is a Botanical supplement available in 1 form.

FormulaForge carries a single form of Milk Thistle Extract (80% Silymarin), so there is no form to choose here. Forms on the market do differ in how well they absorb, which is why it is worth checking the form named on any product label.

The Form of Milk Thistle Extract (80% Silymarin) We Carry

Milk Thistle Extract (80% Silymarin) (Mapped Form) has a bioavailability rating of good absorption.

How to Choose the Right Form

Multiple forms of Milk Thistle Extract (80% Silymarin) are available. Start by comparing form ratings — Preferred Forms reflect the strongest bioavailability evidence, and higher-absorption forms deliver more active compound per dose unit.

The appropriate form depends on your individual goals and your healthcare provider’s recommendations. Consult a qualified professional before selecting a supplement form.

Dosing & Safety

Individual dose requirements vary based on health goals, body weight, and existing nutrient intake. Your healthcare provider can help you determine an appropriate amount of Milk Thistle Extract (80% Silymarin) for you.

Side Effects: Consult your healthcare provider regarding tolerability, particularly at higher doses.

These statements are based on structure/function research and have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

The Science

The following studies and findings inform FormulaForge classifications for Milk Thistle Extract (80% Silymarin):

Crossover PK in 24 healthy males; oral silibinin AUC/Cmax for the standardized silymarin extract form. PMID: 14692709
Human study (n=14); standardized milk thistle extract ~0.45% oral bioavailability with extensive phase-II conjugation. PMID: 23072776

Dosing Guidance

Individual dose requirements for Milk Thistle Extract (80% Silymarin) vary based on health goals, body weight, and existing dietary intake. A qualified healthcare provider can help you determine an appropriate amount for you.

Frequently Asked Questions

Which form of Milk Thistle Extract (80% Silymarin) is in our formulary?
Our formulary carries a single form of Milk Thistle Extract (80% Silymarin). Focus on products that specify the form on the label — not all forms are equally absorbed by the body.
How much Milk Thistle Extract (80% Silymarin) should I take?
Dosing for Milk Thistle Extract (80% Silymarin) varies based on the specific form, your health goals, and individual factors. Consult a qualified healthcare provider for personalized guidance.
What does Milk Thistle Extract (80% Silymarin) support?
Milk Thistle Extract (80% Silymarin) is commonly used to support Botanical. Research suggests it plays a role in several physiological pathways. As with all supplements, these statements have not been evaluated by the Food and Drug Administration and Milk Thistle Extract (80% Silymarin) is not intended to diagnose, treat, cure, or prevent any disease.
Is Milk Thistle Extract (80% Silymarin) safe?
Milk Thistle Extract (80% Silymarin) is generally well-tolerated when taken at research-supported doses. As with any supplement, individual responses vary. Consult a qualified healthcare provider before use, especially if you are pregnant, nursing, have a medical condition, or take medications. These statements have not been evaluated by the Food and Drug Administration.

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References

  1. Crossover PK in 24 healthy males; oral silibinin AUC/Cmax for the standardized silymarin extract form. PubMed DOI
  2. Human study (n=14); standardized milk thistle extract ~0.45% oral bioavailability with extensive phase-II conjugation. PubMed DOI

FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.