BioStacks
Best for
Ingredients (8)
Siliphos Phytosome Milk Thistle extract
100%Dose
160 mg
Target
150–600 mg
Form
Premium
Milk Thistle Phospholipid Proprietary Blend
100%Dose
760 mg
Target
150–600 mg
Form
Not listed
Silymarin
100%Dose
480 mg
Target
150–600 mg
Form
Not listed
Silybin
100%Dose
180 mg
Target
150–600 mg
Form
Not listed
Isosilybin A and Isosilybin B
32%Dose
48 mg
Target
150–600 mg
Form
Not listed
Other Ingredients (6)
BeeswaxCoating
Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets
CarobFlavor
Roasted powder from carob tree pods, used as a caffeine-free chocolate/cocoa substitute for flavor and brown color
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Sunflower Seed OilCarrier
Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients
How to Take It
Take it anytime
Silymarin barely dissolves in water — a fat-containing meal meaningfully improves absorption.
With a meal containing fat
On the label
Take two (2) softgels daily, in divided doses, with or without food, or as recommended by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.00
Near the median of 85 milk thistle supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.