Milk Thistle

by Kirkman · capsule · 100 capsules

  • On the market (NIH)
  • UPC 8 12325 02049 2
  • DSLD label 317761
  • Serving 1 to 2 capsules; amounts per 1 capsule
  • 100 servings

Milk Thistle by Kirkman lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 45 mg of calcium, 35 mg of phosphorus and 100 mg of milk thistle fruit extract. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in Milk Thistle?

Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Milk Thistle: Supplement Facts rows against the market (DSLD label 317761, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Dicalcium Phosphate45 mg3%Calcium in Milk Thistle against 17,831 products45 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg45 mg

78% of 17,831 products listing calcium give more (median 115 mg).

Phosphorusas Dicalcium Phosphate35 mg3%Phosphorus in Milk Thistle against 3,786 products35 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg35 mg

82% of 3,786 products listing phosphorus give more (median 90 mg).

Milk Thistle Fruit Extractas Silymarin100 mgMilk Thistle in Milk Thistle against 1,277 products100 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.100 mg

65% of 1,277 products listing milk thistle give more (median 175 mg).

Source: NIH ODS Dietary Supplement Label Database, label 317761 (entered August 22, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Milk Thistle's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested use: Take one to two capsules daily or as directed by a physician.
Warnings
Keep out of the reach of children. Caution: Formulated for adults and children four years and older. For children under four, consult a physician.
Allergens and what it does not contain
Free of: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, and sesame
Gluten-free
Storage
Important: Store in a cool dry place and tightly capped.

Source: label statements in DSLD label 317761.

What else is on the label?

Other ingredients: Hypromellose, Water, Silicon Dioxide, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Ultra tested cGMP.

How many labels does Milk Thistle have?

3 labels are on file under this name since April 11, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 317761 (current) Entered August 22, 2024 · on the market · 100 capsules · UPC 8 12325 02049 2
  2. Label 297229 Entered December 14, 2023 · off the market August 19, 2023 · 100 capsules · UPC 8 12325 02049 2
  3. Label 260240 Entered April 11, 2022 · off the market August 25, 2022 · 100 capsules · UPC 8 12325 02049 2

DSLD also links this label to: Milk Thistle 100 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Kirkman (manufacturer), Lake Oswego, OR. All Kirkman products.

Where next?