PlainVitamins

Critical Liver Support

by Renew Life · capsule · 90 vegetable capsules

  • Off the market since March 2015 (NIH)
  • UPC 6 31257 15570 2
  • DSLD label 39272
  • Serving 3 to 6 capsules; amounts per 3 capsules
  • 30 servings

Critical Liver Support by Renew Life lists 16 ingredients, 9 with an amount per serving of 3 capsules, such as 300 mg of vitamin C, 175 mcg of selenium, 600 mg of milk thistle extract and 100 mg of alpha lipoic acid; 7 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2014.

What is in Critical Liver Support?

Each row as the label prints it, per serving of 3 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).

Critical Liver Support: Supplement Facts rows against the market (DSLD label 39272, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid300 mg500%Vitamin C in Critical Liver Support against 18,583 products300 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg300 mg

Higher than 75% of 18,583 products listing vitamin C (median 100 mg).

Seleniumas L-SelenomethionineSelenium (Form: as L-Selenomethionine)175 mcg250%Selenium in Critical Liver Support against 7,658 products175 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg175 mcg

Higher than 82% of 7,658 products listing selenium (median 55 mcg).

Milk Thistle extractas 480mg SilymarinMilk Thistle extract (Form: containing 80% 480mg Silymarin) PlantPart: seed600 mgMilk Thistle in Critical Liver Support against 1,277 products600 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.600 mg

Higher than 92% of 1,277 products listing milk thistle (median 175 mg).

Amino Acid Complex600 mg
N-Acetyl-Cysteineno amount given
L-Taurineno amount given
L-Isoleucineno amount given
Glycineno amount given
L-Methionineno amount given
L-Leucineno amount given
L-Valineno amount given
Alpha Lipoic Acid100 mgAlpha Lipoic Acid in Critical Liver Support against 2,407 products100 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.100 mg

Higher than 56% of 2,407 products listing alpha lipoic acid (median 50 mg).

Quercetin75 mgQuercetin in Critical Liver Support against 1,548 products75 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.75 mg

53% of 1,548 products listing quercetin give more (median 100 mg).

Artichoke extractas Caffeoylquinic AcidsArtichoke extract (Form: 15% Caffeoylquinic Acids) PlantPart: leaf30 mgArtichoke in Critical Liver Support against 433 products30 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.30 mg

85% of 433 products listing artichoke give more (median 100 mg).

Green Tea extractas EGCGGreen Tea extract (Form: 40% EGCG) PlantPart: leaf30 mgGreen Tea in Critical Liver Support against 2,595 products30 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.30 mg

84% of 2,595 products listing green tea give more (median 100 mg).

Phosphatidylcholine30 mgPhosphatidylcholine in Critical Liver Support against 403 products30 mg per serving; the middle half of products list 35 mg to 420 mg, the median 120 mg.30 mg

75% of 403 products listing phosphatidylcholine give more (median 120 mg).

L-GlutathioneL-Glutathione Note: reduced10 mgGlutathione in Critical Liver Support against 717 products10 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.10 mg

75% of 717 products listing glutathione give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 39272 (entered November 25, 2014), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 600 mg of milk thistle is higher than 92% of the 1,277 milk thistle products that print an amount; 83 list more.

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?

2 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
Directions: Take 3 to 6 capsules daily or as directed by a healthcare professional.
Warnings
This product contains an ingredient derived from soy.
KEEP OUT OF REACH OF CHILDREN.
WARNING: Consult your physician before using this or any product if you are pregnant, nursing, trying to conceive, taking medication, have a medical condition or have bile duct obstruction.
TAMPER EVIDENT: DO NOT USE IF SAFETY SEAL IS BROKEN OR MISSING.
Allergens and what it does not contain
Contains no GMOs, yeast, wheat, gluten, salt, sugar, dairy, animal products, binders, fillers or artificial ingredients
Gluten-Free
Storage
Store in a dry place at 59(0)- 86(0)F (15(0)- 30(0)C).

Source: label statements in DSLD label 39272.

What else is on the label?

Other ingredients: Vegetable Capsule.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): 80% Silymarin Milk Thistle; RENEW LIFE(R) The Digestive Care Experts; {recycle}.

How many labels does Critical Liver Support have?

2 labels are on file under this name since November 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 39272 (current) Entered November 25, 2014 · off the market March 1, 2015 · 90 vegetable capsules · UPC 6 31257 15570 2
  2. Label 39173 Entered November 25, 2014 · off the market January 1, 2014 · 90 vegetable capsules · UPC 6 31257 15570 2

DSLD also links this label to: Extra Care Liver Support (image difference, same product), Extra Care Liver Support (image difference, same product), Liver Support (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 Renew Life Formulas (distributor), Palm Harbor, FL. All Renew Life products.

Where next?