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 4 of 5), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Milk Thistle CombinationNature's Sunshine280 mg
- Milk Thistle ComplexProgressive Professional from Progressive Laboratories300 mg
- Milk Thistle Complex with Dandelion, Fennel, & LicoriceMeijer192 mg
- Milk Thistle ExtractNature's Lab480 mg
- Milk Thistle Extract 150 mgVitacost120 mg
- Milk Thistle Extract 150 mgNOW240 mg
- Milk Thistle Extract 175 mgPuritan's Pride140 mg
- Milk Thistle Extract 223 mgCountry Life316 mg
- Milk Thistle Extract 300 mgProtocol For Life Balance240 mg
- Milk Thistle Extract 80% SilymarinNatural Factors · off the market200 mg
- Milk Thistle Liquid Phyto-CapsGaia Herbs Professional Solutions · off the market360 mg
- Milk Thistle Liver CleanseNature's Secret120 mg
- Milk Thistle Liver ComplexPuritan's Pride192 mg
- Milk Thistle Liver DetoxIrwin Naturals120 mg
- Milk Thistle PlusRainbow Light · off the market100 mg
- Milk Thistle SeedVitamer Laboratories · off the market30 mg
- Milk Thistle SeedVitaCeutical Labs · off the market30 mg
- Milk Thistle SeedGaia Herbs Single Herbs · off the market270 mg
- Milk Thistle SeedGaia Herbs270 mg
- Milk Thistle SupremePureFormulas200 mg
- Multi Vitamin, MineralEverlast Innergy · off the market40 mg
- Onco-XBioGenesis Nutraceuticals · off the market200 mg
- Optimal GISeeking Health20 mg
- Optimal GI Plus with L-Glutamine Natural Peach FlavorSeeking Health40 mg
- OptiVisionSuperSmart90 mg
- OxygenicsMetagenics20 mg
- PlantiOxidantsPlanetary Herbalsin a blend
- Premier Daily OnePremier Research Labs28 mg
- Prime Factor (Human Growth Factor Formula) For MenPrime · off the marketin a blend
- Prosta-Pro-TectMontiffin a blend
- Pure Milk Thistle 4:1 Pure Extract PowderHard Rhino200 mg
- Puri-TLifeSeasons Therapeutics180 mg
- Pycnogenol ComplexSource Naturals50 mg
- Pycnogenol SupremeSource Naturals50 mg
- Red Yeast Rice 600 mg With CoQ10 30 mgNOW168 mg
- Red Yeast Rice Plus 600 mgVitamin Discount Center · off the market20 mg
- RegenerationNaturesPlus60 mg
- RehabSuperSmart100 mg
- Rejuvenage 40+Rainbow Light · off the market32 mg
- RevitalXNatural Factors6.6 mg
- RevitalX Step 1Natural Factors6.6 mg
- Senior Men's PackDouglas Laboratoriesin a blend
- Shiitake Mushroom SupremePlanetary Herbalsin a blend
- SilymarinMetabolic Maintenance300 mg
- SilymarinMRM · off the market50 mg
- SilymarinBaar Nature's Blessing240 mg
- Silymarin 100 mgLife Extension100 mg
- Silymarin 150 mgDoctor's Best300 mg
- Silymarin 300 mgMetabolic Maintenance300 mg
- Silymarin 80Metagenics56 mg