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Milk Thistle Powder

4:1 extract concentrated in silymarin for liver health, immune support, and natural detoxification.

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Milk Thistle Powder

4:1 extract concentrated in silymarin for liver health, immune support, and natural detoxification.

(8 Reviews) Write a Review

View All Reviews

Available in multiple forms! Click Here for:
  • 4:1 Concentrated Silymarin Extract
  • Supports Healthy Liver Function
  • Third-Party Lab Tested Purity
  • 2000 Years Traditional Use

3rd Party Lab Tested & Verified

See Why ND Milk Thistle Is The Best

Updated On: 06/16/2026

$17.99

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Benefits

When You'll Notice Effects

3-4 Weeks (With Immediate Effects)

  • Liver Health
  • Oxidation
  • Immune
  • Neuroprotection

Why ND Milk Thistle?

A 4:1 extract with concentrated silymarin for liver health
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How To Take

Dose
Dose

100mg (Per Serving)

Timing
Timing

Flexible

How to Take
How to Take

With Or Without Food

Frequency
Frequency

1 Time Daily

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  • About Milk Thistle Powder

    Milk Thistle Powder is a concentrated 4:1 extract of Silybum marianum standardized to deliver high concentrations of silymarin, the active flavonolignan complex responsible for the herb's beneficial properties. This concentrated extract supports healthy liver function, promotes cellular health, and helps maintain your body's natural detoxification processes.

    Our Milk Thistle Story

    Most products contain raw seed powder or low-ratio extracts that deliver inconsistent amounts of silymarin, the compound that makes milk thistle valuable.

    We developed our 4:1 extract specifically to concentrate the beneficial silymarin complex while maintaining the full spectrum of flavonolignans naturally present in the plant. This ratio provides four times the potency of raw milk thistle seeds, ensuring you receive meaningful amounts of silybinin, silychristine, and the other active compounds in every 100mg serving. Each batch is rigorously tested for purity and potency, giving you a milk thistle extract that delivers consistent, reliable results.

    Benefits

    • Supports Liver Health: Milk Thistle's active compound silymarin promotes healthy liver function and supports the organ's natural detoxification processes.
    • Provides Antioxidant Support: The flavonolignan complex in this 4:1 extract supports antioxidant activity throughout the body.
    • Supports Immune Health: Silymarin promotes healthy immune system function and supports overall cellular defense mechanisms.
    • Supports Cognitive Health: The bioactive compounds in Milk Thistle support healthy cognitive function and neuronal health.

    Our concentrated 4:1 extract delivers potent amounts of the unique flavonolignans found in Silybum marianum, including silybinin, silychristine, and taxifolin. Just 100mg daily provides comprehensive support for multiple body systems.

    Quality and Standardization

    • 4:1 Concentration Ratio: Our Milk Thistle extract provides a concentrated 4:1 ratio, delivering approximately 4 times the active compounds compared to standard whole herb preparations for enhanced bioavailability.
    • Silymarin Complex Profile: Each batch contains the complete flavonolignan profile including silybinin, isosilybin, silychristine, isosilychristine, silydianin, and taxifolin as naturally occurring in the seed extract.
    • Third-Party Verification: We verify both product purity and identity through comprehensive testing at our third-party labs to ensure consistent potency and freedom from contaminants.
    • Powder Format Precision: Our fine powder format allows for precise 100mg dosing and can be easily incorporated into beverages or taken directly for optimal absorption.

    Mechanism of Action

    • Supports Liver Health: Silymarin's flavonolignans support liver cell membrane stability and help maintain the organ's natural regenerative capacity by promoting healthy protein synthesis.
    • Provides Antioxidant Support: The extract supports endogenous antioxidant systems including glutathione peroxidase and superoxide dismutase while supporting healthy cellular balance.
    • Supports a Healthy Inflammatory Response: Milk Thistle supports a healthy inflammatory response and helps maintain balanced cytokine production in immune cells.
    • Cellular Membrane Support: The silymarin complex integrates directly into cell membrane phospholipids, supporting membrane fluidity and cellular health.

    Overview of the Science

    Milk thistle's hepatoprotective effects extend beyond basic liver support through multiple research-validated mechanisms [1][2]. Studies indicate that silymarin enhances liver cell regeneration and stabilizes hepatocyte membranes, which supports healthy liver enzyme levels already within the normal range [1]. The flavonolignan complex also supports the body's natural phase II detoxification pathways, promoting the conjugation and elimination of various compounds [2]. Research suggests that milk thistle supports cardiovascular health through its ability to support healthy cholesterol levels already within the normal range and maintain balanced oxidative stress markers [3][4].

    Clinical studies have demonstrated milk thistle's immunomodulatory properties, with research indicating that silymarin supplementation supports healthy immune cell function and cytokine balance [5][6]. The extract supports healthy metabolism by promoting balanced glucose utilization and supporting healthy insulin sensitivity already within the normal range [7][8]. Additionally, emerging research suggests that milk thistle's neuroprotective compounds support cognitive function by maintaining healthy brain cell membranes and supporting balanced neurotransmitter activity [9].

    [1] Jacobs BP et al. Am J Med. 2002;113(6):506-515.

    [2] Abenavoli L et al. Phytother Res. 2010;24(10):1423-1432.

    [3] Taleb A et al. Biomed Pharmacother. 2018;102:689-698.

    [4] Vilahur G et al. Int J Cardiol. 2018;270:84-91.

    [5] Gharagozloo M et al. Fundam Clin Pharmacol. 2009;23(3):359-365.

    [6] Wilasrusmee C et al. Med Sci Monit. 2002;8(11):BR439-443.

    [7] Gu M et al. Front Pharmacol. 2016;7:345.

    [8] Mirhashemi SH et al. Metabol Open. 2022;14:100190.

    [9] Chtourou Y et al. J Mol Histol. 2010;41(4-5):201-210.

    Ingredients

    Milk Thistle Powder:

    • Silybum marianum (4:1 extract)
    • 98% Silymarin, <0.05% Silychristin
    • 100mg per serving

    This precise standardization ensures optimal bioavailability of silymarin's complete flavonolignan profile while maintaining the natural ratios found in high-quality milk thistle seeds. The 98% silymarin content represents one of the highest concentrations available, delivering therapeutic levels of silybin, silydianin, and silychristin in each serving. Our nutritional supplements undergo rigorous testing to verify these exact specifications, providing consistent potency that supports both immediate and long-term cellular health benefits.

    LACTOSE FREE
    GLUTEN FREE
    NON-GMO
    VEGAN
  • Lab Testing Results / Certificate of Analysis (COA)

  • Frequently asked questions

    1. Does Nootropics Depot's Milk Thistle cause digestive side effects?

      Our Milk Thistle is generally well-tolerated, but sensitive individuals may experience mild stomach upset initially. Taking it with food typically resolves this.

    2. Why is ND's Milk Thistle dosing lower than other brands?

      Our Milk Thistle is a concentrated 4:1 silymarin-standardized extract, so our lower dose delivers more active compounds than higher doses of raw seed powder or weak extracts.

    3. How does ND's 4:1 extract compare to raw Milk Thistle?

      Our 4:1 Milk Thistle extract concentrates silymarin to four times the level of raw powder, which contains only 1-3% naturally, delivering more hepatoprotective flavonolignans in a smaller dose.

    4. Can I stack ND's Milk Thistle with other liver supplements?

      Yes, our Milk Thistle stacks well with NAC, TUDCA, or alpha-lipoic acid since silymarin works through different pathways than most hepatoprotective compounds. We recommend starting with milk thistle alone for 3-4 weeks before adding other liver support.

    5. How long should I take Milk Thistle to detox liver?

      Milk Thistle Powder reaches peak effects within 3-4 weeks and is safe for consistent, long-term daily use to support your liver's natural detoxification pathways.

    6. What is Milk Thistle good for?

      Milk Thistle's silymarin complex supports healthy liver function, liver enzyme levels within the normal range, and phase II detoxification pathways. Research also suggests benefits for cardiovascular health and cellular protection.

    7. Is Milk Thistle good for your liver?

      Yes, milk thistle is excellent for liver health due to its high silymarin content, which supports liver cell regeneration and healthy enzyme levels. Our 4:1 extract delivers consistent silymarin levels that stabilize hepatocyte membranes and support natural detoxification.

    8. When to take Milk Thistle?

      Our Milk Thistle Powder can be taken at any time of day, with or without food. Since milk thistle reaches peak effects in 3-4 weeks with consistent daily use, maintaining regular intake matters more than specific timing.

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Your health matters, which is why we only use the best 3rd party ISO accredited labs and cGMP certified and FDA registered facilities right here in the USA

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