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 25 of 47), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Milk ThistleKirkman100 mg
- Milk ThistleEarthborn Elements500 mg
- Milk ThistleHerbal Terra983 mg
- Milk ThistleHawaii Pharm983 mg
- Milk ThistleHerb Pharm607 mg
- Milk Thistle & Co Q10Eguoo200 mg
- Milk Thistle & CranberryMason Natural150 mg
- Milk Thistle & DandelionTerraVitain a blend
- Milk Thistle & Dandelion Chocolate FlavorTerraVitain a blend
- Milk Thistle & Dandelion Combination 450 mgTerraVita225 mg
- Milk Thistle & Dandelion Combination PowderTerraVita450 mg
- Milk Thistle & Dandelion Mint FlavorTerraVitain a blend
- Milk Thistle & Dandelion Strawberry FlavorTerraVitain a blend
- Milk Thistle & Dandelion Vanilla FlavorTerraVitain a blend
- Milk Thistle & PicrorhizaGNC Herbal Plus200 mg
- Milk Thistle (250 mg Extract)Windmill250 mg
- Milk Thistle (Silybum marianum)Solgar · off the market450 mg
- Milk Thistle (Silymarin)Mason Natural300 mg
- Milk Thistle + Turmeric + Vitamin BThe Plug141 mg
- Milk Thistle 1,000 mgAN Amazing Nutrition Amazing Formulas1,000 mg
- Milk Thistle 1,000 mgEclectic Institute · off the marketin a blend
- Milk Thistle 1,000 mgHerbal Secrets · off the market1,000 mg
- Milk Thistle 1,000 mg Alcohol-FreeNature's Answer · off the market2,000 mg
- Milk Thistle 100 mgKirkman110 mg
- Milk Thistle 100 mgIndiana Botanic Gardens100 mg
- Milk Thistle 100 mgBotanic Choice100 mg
- Milk Thistle 100 mgBIOVEA100 mg
- Milk Thistle 100 mgDr. Rico Perez100 mg
- Milk Thistle 1000 mgNature's Bounty250 mg
- Milk Thistle 1000 mgRexall250 mg
- Milk Thistle 1000 mgVitamin World250 mg
- Milk Thistle 1000 mgGreeNatr Premium250 mg
- Milk Thistle 1000 mgBronson1,000 mg
- Milk Thistle 1000 mgFuturebiotics1,000 mg
- Milk Thistle 1300 mgGNC Herbal Plus1,300 mg
- Milk Thistle 140 mgFoods Plus145 mg
- Milk Thistle 140 mgNature Made140 mg
- Milk Thistle 140 mg ExtractNature Made140 mg
- Milk Thistle 150 mgAmazon Elements · off the market150 mg
- Milk Thistle 150 mgLuckyHerbs300 mg
- Milk Thistle 150 mgJarrow Formulas150 mg
- Milk Thistle 150 mg With ETHIS-094Doctor's Best300 mg
- Milk Thistle 175 mgVitaCeutical Labs175 mg
- Milk Thistle 175 mgVitabase175 mg
- Milk Thistle 175 mgVSN Vital Strength Nutrition · off the market175 mg
- Milk Thistle 175 mgup&up175 mg
- Milk Thistle 175 mgSundown Naturals175 mg
- Milk Thistle 175 mgThompson175 mg
- Milk Thistle 175 mgCVS Health175 mg
- Milk Thistle 175 mgNature's Bounty175 mg