PlainVitamins

Milk Thistle Extract 300 mg

by Protocol For Life Balance · capsule · 90 veg capsules

  • On the market (NIH)
  • UPC 7 07359 14739 3
  • DSLD label 337794
  • Serving 1 veg capsule
  • 90 servings

Milk Thistle Extract 300 mg by Protocol For Life Balance lists 4 ingredients, 4 with an amount per serving of 1 veg capsule, such as 300 mg of milk thistle fruit, seed extract, 100 mg of dandelion and 50 mg of artichoke. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.

What is in Milk Thistle Extract 300 mg?

Each row as the label prints it, per serving of 1 veg 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 Extract 300 mg: Supplement Facts rows against the market (DSLD label 337794, January 2026 release)
IngredientAmount% DVAmong products listing it
Milk Thistle Fruit, Seed Extractas Silybum marianum Fruit Extract, Silybum marianum Seed Extractstandardized to300 mgMilk Thistle in Milk Thistle Extract 300 mg against 1,277 products300 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.300 mg

Higher than 72% of 1,277 products listing milk thistle (median 175 mg). Per day at the most servings: 900 mg.

Silymarin Flavonoidsequivalent 80%240 mgSilymarin in Milk Thistle Extract 300 mg against 208 products240 mg per serving; the middle half of products list 63.75 mg to 203 mg, the median 116 mg.240 mg

Higher than 76% of 208 products listing silymarin (median 116 mg). Per day at the most servings: 720 mg.

Dandelion100 mgDandelion in Milk Thistle Extract 300 mg against 793 products100 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.100 mg

48% of 793 products listing dandelion give more (median 100 mg). Per day at the most servings: 300 mg.

Artichokeas Cynara scolymus50 mgArtichoke in Milk Thistle Extract 300 mg against 433 products50 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.50 mg

67% of 433 products listing artichoke give more (median 100 mg). Per day at the most servings: 150 mg.

Source: NIH ODS Dietary Supplement Label Database, label 337794 (entered August 22, 2025), 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 1 to 3 servings 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?

4 products list the very same ingredients; the nearest amounts come first.

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 usage: Take 1 capsule 1 to 3 times daily, or as directed by your healthcare practitioner.
Warnings
Cautions/Interactions: Milk thistle may interact with some drugs, including acetaminophen. Consult your healthcare practitioner if you are pregnant/lactating or if you suffer from obstruction of the bile ducts, gallstones, or gallbladder dysfunction.
May trigger milk, transient GI discomfort.
Do not take this product if you have any allergy to plants of the Asteraceae family.
Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 337794.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Silicon Dioxide, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Crescent H (Halal).

How many labels does Milk Thistle Extract 300 mg have?

2 labels are on file under this name since May 24, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 337794 (current) Entered August 22, 2025 · on the market · 90 veg capsules · UPC 7 07359 14739 3
  2. Label 73812 Entered May 24, 2017 · off the market April 21, 2025 · 90 veg capsules · UPC 7 07359 14739 3

DSLD also links this label to: Milk Thistle Extract (image difference, same product), Milk Thistle Extract 300 mg/80% Liver Support Formula (image difference, same product), Milk Thistle Extract 300 mg/80% Liver Support Formula (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 Protocol For Life Balance (manufacturer, distributor), Bloomingdale, IL. All Protocol For Life Balance products.

Where next?