PlainVitamins

Glutathione, Cysteine & C

by Life Extension · capsule · 100 capsules

  • On the market (NIH)
  • UPC 7 37870 15411 2
  • DSLD label 328468
  • Serving 1 capsule
  • 100 servings

Glutathione, Cysteine & C by Life Extension lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 500 mg of vitamin C, 50 mg of setria and 200 mg of L-cysteine hydrochloride. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.

What is in Glutathione, Cysteine & C?

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).

Glutathione, Cysteine & C: Supplement Facts rows against the market (DSLD label 328468, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in Glutathione, Cysteine & C against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,500 mg.

Setriaas L-Glutathione, Reduced50 mgGlutathione in Glutathione, Cysteine & C against 717 products50 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.50 mg

42% of 717 products listing glutathione give more (median 50 mg). Per day at the most servings: 150 mg.

L-Cysteine Hydrochloride200 mgCysteine in Glutathione, Cysteine & C against 516 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.200 mg

Higher than 72% of 516 products listing cysteine (median 85 mg). Per day at the most servings: 600 mg.

Source: NIH ODS Dietary Supplement Label Database, label 328468 (entered May 21, 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?

The products whose ingredient lists overlap most with Glutathione, Cysteine & C'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
Directions: Take one (1) capsule one to three times daily on an empty stomach, or as recommended by a healthcare practitioner.
Warnings
Read the entire label and follow the directions carefully prior to use.
Warnings: Keep out of reach of children.
Do not exceed recommended dose. Do not purchase if outer seal is damaged.
Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
To report a serious adverse event or obtain product information, contact 1-866-280-2852.
Allergens and what it does not contain
Gluten free Non GMO LE Certified
Storage
Store tightly closed in a cool, dry place.

Source: label statements in DSLD label 328468.

What else is on the label?

Other ingredients: Cellulose, Microcrystalline Cellulose, Stearic Acid, Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non GMO LE Certified.

How many labels does Glutathione, Cysteine & C have?

5 labels are on file under this name since May 22, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 328468 (current) Entered May 21, 2025 · on the market · 100 capsules · UPC 7 37870 15411 2
  2. Label 231983 Entered August 23, 2020 · off the market August 9, 2023 · 100 capsules · UPC 7 37870 15411 2
  3. Label 231894 Entered August 23, 2020 · off the market July 14, 2020 · 100 capsules · UPC 7 37870 15411 2
  4. Label 59940 Entered May 22, 2016 · off the market July 14, 2020 · 100 vegetarian capsules · UPC 7 37870 15411 2
  5. Label 59939 Entered May 22, 2016 · off the market April 1, 2016 · 100 vegetarian capsules · UPC 7 37870 15411 2

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

Who makes it?

The label names Quality Supplements and Vitamins, Inc. (distributor), Ft. Lauderdale, FL. All Life Extension products.

Where next?