non-nutrient/non-botanical
Silymarin supplements
Half of the 208 silymarin supplements in the NIH label database that print an amount list 116 mg or less per serving; the middle half list 63.75 mg to 203 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 228208 print an amount; 20 list it inside a blend without an amount
- Median per serving
- 116 mgmiddle half 63.75 mg to 203 mg
How much silymarin do supplements contain?
The median product lists 116 mg per serving. One in ten lists 31.4 mg or less, one in ten 300 mg or more. The amount printed most often is 100 mg (29 products).
Products by amount of silymarin per serving
208 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 100 mg | 29 | De-Tox Diet & Complexing Aid (Kirkman); Bio Span (Biotivia); Silymarin 100 mg (Life Extension) |
| 200 mg | 17 | Liva Guard Forte Softgels (Perque); Liva Guard Capsules (Perque); Pure Milk Thistle 4:1 Pure Extract Powder (Hard Rhino) |
| 240 mg | 17 | European Milk Thistle (Life Extension); Milk Thistle 300 mg Extract (FoodScience of Vermont); Healthy Liver (WholeHealth) |
| 80 mg | 14 | Milk Thistle 100 mg (Kirkman); Liver Detox (L.A. Naturals); DetoXichol (OTC Pharmaceutical Products) |
| 50 mg | 12 | Pycnogenol Complex (Source Naturals); Wellness Multiple (Source Naturals Wellness); Bioflavonoid Complex (Source Naturals) |
| 60 mg | 11 | WellBetX Glucose Balance Herbal Formula (Natural Factors); Liv-Gall Cleanse (Natural Factors HerbalFactors); Vegan True Vegan Force Multiple (Source Naturals) |
| 140 mg | 10 | Liver Support (AOR Advanced Orthomolecular Research Advanced); Milk Thistle Extract 175 mg (Puritan's Pride); Liver Aid + Milk Thistle (Liverite) |
| 20 mg | 8 | Oxygenics (Metagenics); Anti-Alcohol Antioxidants With HepatoProtection Complex (Life Extension); Anti-Alcohol With HepatoProtection Complex (Life Extension) |
| 30 mg | 7 | Advanced One Multiple (Source Naturals); Menopause Multiple (Source Naturals); Step 2 Detoxitech (Natural Factors) |
| 160 mg | 7 | Liver MD (MD Prescriptives); Liv-a-New (Puritan's Pride); Daily Gentle Cleanse (Irwin Naturals) |
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 silymarin?
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 ThistleLife Extension600 mg
- Maximum Strength Milk Thistle Extract 750 mgNOW600 mg
- Milk Thistle ExtractNature's Lab480 mg
- Advanced Milk ThistleLife Extension480 mg
- Detox NowNatrol468 mg
- Full Spectrum Milk Thistle Seed ExtractPlanetary Herbals420 mg
- Full Spectrum Milk Thistle Seed Extract 260 mgPlanetary Herbals420 mg
- Milk Thistle 525 mgNatrol420 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2017 list a median of 100 mg; those entered in 2025, 100 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2017 | 20 | 100 mg |
| 2023 | 34 | 140 mg |
| 2024 | 28 | 190 mg |
| 2025 | 30 | 100 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing silymarin by DSLD product type
Brands listing it most: Source Naturals (23), Life Extension (21), NOW (11), Natural Factors (10), Metagenics (6), Metabolic Maintenance (5), Puritan's Pride (5), Rainbow Light (4), Protocol For Life Balance (4), MRM (3).
Every product listing silymarin
228 products, A to Z by name (page 5 of 5), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Silymarin Milk Thistle Extract 150 mgNOW240 mg
- Silymarin PlusBIOVEA326 mg
- Silymarin PlusSource Naturals326 mg
- Silymarin with BioSorbMRM Nutrition50 mg
- Spectra RedsDaVinci Laboratories Of Vermont · off the market16 mg
- Step 2 DetoxitechNatural Factors30 mg
- Stress Support PackDouglas Laboratoriesin a blend
- Super Milk ThistleNature's Wayin a blend
- Super ThisilynNature's Way140 mg
- SuperPure Milk ThistlePure Synergy260 mg
- Thisilyn Milk Thistle ExtractNature's Way140 mg
- Time Release Milk ThistleNature's Sunshine280 mg
- Top 10 HealersSource Naturals100 mg
- Total Cleanse LiverSolaray172 mg
- Total Joint SupportNutri-West5 mg
- TrueMilkThistleNatureCity420 mg
- Type 3 ToxicLifeSeasons Recode With The Bredesen Protocol200 mg
- Ultra Preventive 2000 Series Nutri-Smart PackDouglas Laboratoriesin a blend
- Vegan True Vegan Force MultipleSource Naturals60 mg
- Vital ImmunityPL Progressive Laboratories100 mg
- Vital ImmunityProgressive Professional from Progressive Laboratories100 mg
- WellBetX Glucose Balance Herbal FormulaNatural Factors60 mg
- Wellness D-mmunitySource Naturals · off the market50 mg
- Wellness D-mmunity 125 MCGSource Naturals50 mg
- Wellness MultipleSource Naturals Wellness50 mg
- WLG Liver BalancerWachters' · off the market300 mg
- Women's Life Force MultipleSource Naturals60 mg
- Zow Multi-Vites For Teenage BoysNutrition Now · off the market30 mg