botanical
Milk Thistle supplements
Half of the 1,277 milk thistle supplements in the NIH label database that print an amount list 175 mg or less per serving; the middle half list 90 mg to 300 mg (DSLD version 9.4.0, January 2026). The 243 products whose only supplement ingredient is milk thistle list a median of 300 mg.
- Products listing it
- 2,3081,277 print an amount; 1,002 list it inside a blend without an amount
- Median per serving
- 175 mgmiddle half 90 mg to 300 mg
How much milk thistle do supplements contain?
The median product lists 175 mg per serving. One in ten lists 50 mg or less, one in ten 500 mg or more. The amount printed most often is 100 mg (119 products).
Products by amount of milk thistle per serving
1,277 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 100 mg | 119 | Milk Thistle (IVL Institute For Vibrant Living); PaleoCleanse Functional Detoxification Powder (Designs for Health); Total Joint Support (Nutri-West) |
| 200 mg | 110 | Milk Thistle plus Picrorhiza (GNC Herbal Plus Standardized); Milk Thistle (GNC Herbal Plus Standardized); Liver Support (GNC Herbal Plus Formula) |
| 250 mg | 101 | Silymarin Milk Thistle (Nature's Bounty); Viral-Protec (Xtendlife); Silymarin Milk Thistle 250 mg (Vitamin World) |
| 50 mg | 96 | Fenugreek Plus (Botanic Choice); Special Two (Vitabase); ProtoClear Detoxification Formula (Protocol For Life Balance) |
| 300 mg | 94 | Diabet-Eze (Xtendlife); Sil-150 (Integrative Therapeutics); Ultimate Liver Plus (Dr. Stan Guberman) |
| 150 mg | 57 | Natural Detox Colon Cleansing Formula (Windmill Rx Premium Vitamins); BioFoundation-G (Bioclinic Naturals); Heprenew (Physician's Signature) |
| 175 mg | 56 | Beauty Sleep (ResVitale); Milk Thistle Extract-Plus 175 mg (Earth Wise Vitamins & Supplements); Milk Thistle 175 mg (VitaCeutical Labs) |
| 500 mg | 44 | Silymarin Milk Thistle (Herbal Authority); Derma-D (Zahler); Arsenal Training Packs (MET-Rx) |
| 1,000 mg | 32 | Milk Thistle 500 mg (Vitamin World); Concentrated Extract Milk Thistle 1000 mg (Spring Valley); Pure Milk Thistle 4:1 Pure Extract Powder (Hard Rhino) |
| 75 mg | 29 | Liver Health With Milk Thistle (International Laurel Products); Skin, Hair & Nails (Innate Response Formulas); Vegan Protect (MegaFood) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most milk thistle?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Milk Thistle Seed PowderBareOrganics3,000 mg
- Milk ThistleAlvita3,000 mg
- Milk Thistle 600 mgEclectic Institute2,400 mg
- Milk Thistle 600 mgEclectic Herb2,400 mg
- Organic Milk Thistle PowderHerbadiet2,000 mg
- Organic Milk Thistle Tea BagsFGO2,000 mg
- Organic Milk Thistle Tea BagsFGO (From Great Origins)2,000 mg
- Milk Thistle Seed 2,000 mg Alcohol-FreeNature's Answer2,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 175 mg; those entered in 2025, 200 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 21 | 175 mg |
| 2012 | 41 | 175 mg |
| 2013 | 81 | 167 mg |
| 2014 | 67 | 150 mg |
| 2015 | 49 | 175 mg |
| 2016 | 45 | 200 mg |
| 2017 | 84 | 175 mg |
| 2018 | 54 | 145 mg |
| 2019 | 78 | 150 mg |
| 2020 | 134 | 175 mg |
| 2021 | 122 | 187.5 mg |
| 2022 | 105 | 200 mg |
| 2023 | 127 | 200 mg |
| 2024 | 164 | 200 mg |
| 2025 | 105 | 200 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing milk thistle by DSLD product type
Brands listing it most: NOW (28), Nature's Way (26), Protocol For Life Balance (22), Xtendlife (16), Douglas Laboratories (15), Seeking Health (13), Vibrant Health (13), Nature's Answer (13), Pure Encapsulations (13), TerraVita Premium Collection (13).
Every product listing milk thistle
2,308 products, A to Z by name (page 26 of 47), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Milk Thistle 175 mgAnabolic Laboratories · off the market175 mg
- Milk Thistle 175 mgVitamer Laboratories175 mg
- Milk Thistle 175 mgCalifornia Gold Nutrition EuroHerbs175 mg
- Milk Thistle 175 mgHerbal Secrets · off the market175 mg
- Milk Thistle 175 mgVitamin Discount Center · off the market175 mg
- Milk Thistle 175 mgSpring Valley175 mg
- Milk Thistle 175 mgSolaray350 mg
- Milk Thistle 175 mg GoldNutriGold · off the market175 mg
- Milk Thistle 175 MilligramsNutraBio175 mg
- Milk Thistle 2,000 mgNature's Answer · off the market2,000 mg
- Milk Thistle 2,000 mg Alcohol-FreeNature's Answer · off the market2,000 mg
- Milk Thistle 200 mgGNC Herbal Plus200 mg
- Milk Thistle 200 mgExchange Select200 mg
- Milk Thistle 200 mgHighland Laboratories200 mg
- Milk Thistle 200 mgGNC200 mg
- Milk Thistle 230 mg Alcohol-FreeNature's Answer · off the market230 mg
- Milk Thistle 240 mgSundown Naturals · off the market240 mg
- Milk Thistle 240 mgSundown240 mg
- Milk Thistle 250 mgNature's Bounty250 mg
- Milk Thistle 250 mgHard Rhino250 mg
- Milk Thistle 250 mgNatural Factors HerbalFactors250 mg
- Milk Thistle 250 mgSwanson Superior Herbs · off the market500 mg
- Milk Thistle 250 mgWindmill · off the market250 mg
- Milk Thistle 250 mgNutricost · off the market250 mg
- Milk Thistle 250 mgNatures Plus Herbal Actives250 mg
- Milk Thistle 250 mgNature's Trove250 mg
- Milk Thistle 250 mgPatient One MediNutritionals250 mg
- Milk Thistle 250 mgWindmill Natural Vitamins250 mg
- Milk Thistle 250 mgPure Nootropics250 mg
- Milk Thistle 250 mg Veg CapsulesBulkSupplements.com250 mg
- Milk Thistle 280 mg ExtractNature Made280 mg
- Milk Thistle 300 mgNutraBio600 mg
- Milk Thistle 300 mgInnate Vitality300 mg
- Milk Thistle 300 mgMountain Meadow Herbs300 mg
- Milk Thistle 300 mgEvlution Nutrition300 mg
- Milk Thistle 300 mgDaVinci Laboratories300 mg
- Milk Thistle 300 mg + Dandelion Root & Artichoke LeafNatural Grocers by Vitamin Cottage300 mg
- Milk Thistle 300 mg ExtractFoodScience of Vermont300 mg
- Milk Thistle 30:1 ExtractJarrow Formulas · off the market150 mg
- Milk Thistle 350 mgVSN Vital Strength Nutrition · off the market350 mg
- Milk Thistle 350 mgVitaCeutical Labs350 mg
- Milk Thistle 350 mgVitamer Laboratories350 mg
- Milk Thistle 350 mgGenceutic Naturals350 mg
- Milk Thistle 350 mgSolaray460 mg
- Milk Thistle 400 mgMaui Medicinal400 mg
- Milk Thistle 400 mgSignature Supplements800 mg
- Milk Thistle 450 mgZHOU450 mg
- Milk Thistle 450 mgTerraVita Premium Collection450 mg
- Milk Thistle 4:1 ExtractNootropics Depot250 mg
- Milk Thistle 500Priority One Nutritional Supplements500 mg