Reduced L-Glutathione

by Klaire Labs · capsule · 100 vegetarian capsules

  • Off the market since October 2021 (NIH)
  • UPC 7 09616 79910 9
  • DSLD label 32493
  • Serving 1 capsule
  • 100 servings

Reduced L-Glutathione by Klaire Labs lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 27 mg of magnesium and 150 mg of reduced L-glutathione. Its current label entered the NIH Dietary Supplement Label Database on April 25, 2014.

What is in Reduced L-Glutathione?

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).

Reduced L-Glutathione: Supplement Facts rows against the market (DSLD label 32493, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Glycinate ChelateMagnesium (Form: as Magnesium Glycinate Chelate)27 mg7%Magnesium in Reduced L-Glutathione against 14,003 products27 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg27 mg

77% of 14,003 products listing magnesium give more (median 86 mg).

reduced L-Glutathione150 mgGlutathione in Reduced L-Glutathione against 717 products150 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.150 mg

Higher than 70% of 717 products listing glutathione (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 32493 (entered April 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?

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?

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
Suggested use: As a dietary supplement take one capsule daily with 8 oz. of water or as directed by a health practitioner. Capsules may be pulled apart and nutrients taken separately.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Do not use if full-bottle shrinkwrap is broken or missing.
Allergens and what it does not contain
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat/gluten, corn, yeast, and soybeans. No sugar, magnesium stearate, maltodextrin, artificial sweeteners, colors, flavors, salicylates, or preservatives.
Storage
Store in a cool, dry place (59(0)F-85(0)F) away from direct light.

Source: label statements in DSLD label 32493.

What else is on the label?

Other ingredients: Vegetarian Capsule, L-Leucine.

How many labels does Reduced L-Glutathione have?

One label is on file, entered on April 25, 2014.

  1. Label 32493 (current) Entered April 25, 2014 · off the market October 8, 2021 · 100 vegetarian capsules · UPC 7 09616 79910 9

DSLD also links this label to: Reduced L-Glutathione 150 mg (image difference, same product), Reduced L-Glutathione 150 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 ProThera Inc. (manufacturer), Reno, NV. All Klaire Labs products.

Where next?