PlainVitamins

Liver Support

by Dr. Mercola · capsule · 60 capsules

  • Off the market since April 2022 (NIH)
  • UPC 8 13006 01739 8
  • DSLD label 231795
  • Serving 2 capsules
  • 30 servings

Liver Support by Dr. Mercola lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 500 mg of N-acetyl-cysteine, 300 mg of milk thistle extract and 50 mg of organic broccoli powder. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2020.

What is in Liver Support?

Each row as the label prints it, per serving of 2 capsules. 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).

Liver Support: Supplement Facts rows against the market (DSLD label 231795, January 2026 release)
IngredientAmount% DVAmong products listing it
N-Acetyl-Cysteine500 mgN-Acetyl Cysteine in Liver Support against 1,259 products500 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.500 mg

Higher than 74% of 1,259 products listing N-acetyl cysteine (median 150 mg).

Milk Thistle extract300 mgMilk Thistle in Liver Support 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).

organic Broccoli powder50 mgBroccoli in Liver Support against 530 products50 mg per serving; the middle half of products list 40 mg to 250 mg, the median 100 mg.50 mg

60% of 530 products listing broccoli give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 231795 (entered August 23, 2020), version 9.4.0. See the label on DSLD. 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?

1 product lists 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 Use: Adults, as a dietary supplement, take two (2) capsules daily with a meal.
Warnings
Keep out of reach of children.
Do not use if safety seal is broken.
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.

Source: label statements in DSLD label 231795.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Capsule.

How many labels does Liver Support 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 231795 (current) Entered August 23, 2020 · off the market April 19, 2022 · 60 capsules · UPC 8 13006 01739 8
  2. Label 74073 Entered May 24, 2017 · off the market July 13, 2020 · 60 capsules · UPC 8 13006 01739 8

DSLD also links this label to: NAC 500 mg with Milk Thistle (image difference, same product), NAC 500 mg with Milk Thistle (package size difference, same product), NAC 500 mg with Milk Thistle (package size 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 NHP (distributor), Cape Coral, FL. All Dr. Mercola products.

Where next?