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Milk Thistle (Silymarin)

Mason Natural
4.7
★ ★ ★ ★ ★
(268 ratings)
Milk Thistle 300 mg
Product Image
Score79
The disclosed silymarin amount is a meaningful strength, though source and standardization details remain incomplete.
How scoring works
Quantity:60 Capsule(s) • (30 servings)
Goals:
Detoxification

Score 79

The disclosed silymarin amount is a meaningful strength, though source and standardization details remain incomplete.
How scoring works
$9.03($0.30 per serving)
iHerb
$ 9.03
Amazon
$ 11.99
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Analysis

The listed silymarin amount provides a clear liver-support focus and supports more confident comparison with competing products. The formula remains compact, with no large proprietary botanical blend.

The label does not explain the extract standardization percentage or source plant part. A dry capsule also provides no stated technology intended to improve delivery of poorly soluble silymarin compounds.

A small calcium addition contributes little to the intended use but does not materially crowd the formula. The product fits buyers who value a disclosed silymarin weight over broader multi-herb coverage.

Who is it for
  • Adults seeking a clearly stated silymarin amount
  • People who want a focused formula
  • Value-minded milk thistle users
Best for
  • Comparing products by disclosed active weight
  • Focused liver antioxidant support
  • Avoiding proprietary blends

Pros

  • Substantial silymarin amount
  • Compact ingredient list
  • Good practical value

Cons

  • Standardization percentage is not stated
  • Source plant part is unclear
  • No special absorption delivery is described

Warnings

  • Milk thistle may cause nausea, gas, or loose stools in sensitive users.
  • People allergic to ragweed, daisies, or related plants may also react to milk thistle.
  • Milk thistle may affect blood-sugar control; people using insulin or glucose-lowering medicine should check with their prescriber.

Nutrient quality

80 Highest impact

The substantial silymarin amount and focused design support meaningful use. Missing standardization details and a low-value calcium addition modestly weaken quality.

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Ingredient transparency

82 Highest impact

Specific amounts and the absence of a hidden blend make the active label easy to assess. Usage, excipient, and extract-standardization details remain incomplete.

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Customer satisfaction

67 High impact

The average rating is positive, and the available feedback volume provides useful confidence. No specific experience details are supplied to assess recurring complaints or purpose fit.

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Value for money

84 Highest impact

A substantial disclosed active amount supports strong serving value. The modest price remains competitive despite incomplete standardization details.

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Report analysis

Goals

Detoxification
Detoxification
Impact
Highest effect
A- Goal FitB+ Strength of SupportC- CoverageA Formula Quality
Milk Thistle · 300 mg

A substantial stated silymarin amount directly supports liver-cell protection and antioxidant defenses. Human evidence for milk thistle is relevant, though results depend on a sufficiently characterized silymarin dose.

The substantial silymarin amount supports dose confidence, but no standardization percentage or plant part is given. A small calcium addition is not relevant to detoxification but does not materially dilute the focused design.

Study evidence
Milk Thistle Supportive 46 studies

Ingredients

IngredientAmount per serving
Calcium (Dicalcium Phosphate)
 65 mg
Milk Thistle (Silymarin)
 300 mg
Adults 18–50
Report overview
Milk Thistle (Silymarin) · 300 mg OverallScore63
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value

The label identifies a substantial silymarin amount, but it does not state a benchmark standardization percentage. A standard dry capsule provides no specific absorption enhancement, and the plant part is unclear. The low serving cost supports good value for the disclosed active amount.

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84 Performance

Milk Thistle

Nature's Answer
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. Its stronger combination of formulation quality and detoxification alignment makes it a more compelling focused option, although the formula remains focused rather than broad.
85 Performance

Milk Thistle

Paradise
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. Its stronger combination of formulation quality and detoxification alignment makes it a more compelling focused option, although the formula remains focused rather than broad.
69 Performance

Liver Detox & Blood Refresh

Irwin Naturals
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. Its stronger combination of formulation quality and detoxification alignment makes it a more compelling focused option, although the supporting botanicals have incompletely stated active markers.
84 Budget

Milk Thistle

Kroeger Herb Products Co.
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. A lower serving cost improves routine value, although the formula remains focused rather than broad.
82 Budget

Super Milk Thistle

Nature's Way
Clearly disclosed silybin and silymarin give the milk-thistle component unusually strong active characterization. A lower serving cost improves routine value, although the added licorice may be unsuitable for some users.
87 Budget

Milk Thistle Extract 175 mg

Lake Avenue Nutrition
A clearly labeled total-silymarin extract provides focused and readily assessable milk-thistle activity. A lower serving cost improves routine value, although the formula remains focused rather than broad.
79 Value

Milk Thistle

Solgar
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. Favorable serving economics and a well-defined milk-thistle core create a useful quality-to-cost balance, although the formula remains focused rather than broad.
82 Value

Milk Thistle Phytosome 300 mg

Swanson
A named milk-thistle phytosome provides a better-characterized absorption strategy than a basic, unstandardized herb amount. Favorable serving economics and a well-defined milk-thistle core create a useful quality-to-cost balance, although the formula remains focused rather than broad.
80 Value

Milk Thistle

Kirkman
A silymarin-labeled milk-thistle extract provides more assessable active disclosure than a plain plant-mass claim. Favorable serving economics and a well-defined milk-thistle core create a useful quality-to-cost balance, although the formula remains focused rather than broad.
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The effect of silymarin on liver enzymes in patients taking isotretinoin: A randomized clinical trial.
    Mirnezami M; Jafarimanesh H; Rezagholizamenjany M; Alimoradian A; Ranjbaran M · Dermatologic therapy · 2021
    Randomized trial74 participantsDetoxification forMilk Thistle
  2. A randomized double-blind, placebo-controlled study of therapeutic effects of silymarin in β-thalassemia major patients receiving desferrioxamine.
    Moayedi B; Gharagozloo M; Esmaeil N; Maracy MR; Hoorfar H; Jalaeikar M · European journal of haematology · 2013
    Randomized trial97 participantsDetoxification forMilk Thistle
  3. Effect of aerobic training with silymarin consumption on glycemic indices and liver enzymes in men with type 2 diabetes.
    Ghalandari K; Shabani M; Khajehlandi A; Mohammadi A · Archives of physiology and biochemistry · 2023
    Randomized trial60 participantsDetoxification forMilk Thistle
  4. Impact of silymarin-supplemented cookies on liver enzyme and inflammatory markers in non-alcoholic fatty liver disease patients.
    Jaffar HM; Bader Ul Ain H; Tufail T; Hanif A; Malik T · Food science & nutrition · 2024
    Clinical trial64 participantsDetoxification forMilk Thistle
  5. Impact of Silymarin Supplements on Liver Enzyme Levels: A Systematic Review.
    Calderon Martinez E; Herrera D; Mogan S; Hameed Z; Jangda AA; Khan TJ; Mroke P; Sajid S; Shah YR; Baig I · Cureus · 2023
    Systematic review3,846 participants29 studies pooledDetoxification forMilk Thistle