Glutathione 500 mg

by NOW · capsule · 60 veg capsules

  • On the market (NIH)
  • UPC 7 33739 00104 7
  • DSLD label 314360
  • Serving 1 veg capsule
  • 60 servings

Glutathione 500 mg by NOW lists 4 ingredients, 4 with an amount per serving of 1 veg capsule, such as 500 mg of glutathione, reduced, 100 mg of milk thistle fruit, seed extract and 50 mg of alpha lipoic acid. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in Glutathione 500 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).

Glutathione 500 mg: Supplement Facts rows against the market (DSLD label 314360, January 2026 release)
IngredientAmount% DVAmong products listing it
Glutathione, Reducedreduced form500 mgGlutathione in Glutathione 500 mg against 717 products500 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.500 mg

Higher than 87% of 717 products listing glutathione (median 50 mg).

Milk Thistle Fruit, Seed Extractas Silybum marianum Fruit Extract, Silybum marianum Seed Extract100 mgMilk Thistle in Glutathione 500 mg against 1,277 products100 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.100 mg

65% of 1,277 products listing milk thistle give more (median 175 mg).

Silymarin Flavonoidsequivalent 80%80 mgSilymarin in Glutathione 500 mg against 208 products80 mg per serving; the middle half of products list 63.75 mg to 203 mg, the median 116 mg.80 mg

67% of 208 products listing silymarin give more (median 116 mg).

Alpha Lipoic Acid50 mgAlpha Lipoic Acid in Glutathione 500 mg against 2,407 products50 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.50 mg

47% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 314360 (entered August 22, 2024), 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 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 Usage: Take 1 capsule daily, preferably on an empty stomach.
Warnings
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Not manufactured with 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 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 314360.

What else is on the label?

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

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

How many labels does Glutathione 500 mg have?

10 labels are on file under this name since November 24, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 314360 (current) Entered August 22, 2024 · on the market · 60 veg capsules · UPC 7 33739 00104 7
  2. Label 314361 Entered May 23, 2024 · on the market · 120 veg capsules · UPC 7 33739 00176 4
  3. Label 292048 Entered June 22, 2023 · off the market February 12, 2024 · 120 veg capsules · UPC 7 33739 00176 4
  4. Label 244421 Entered February 25, 2021 · on the market · 30 veg capsules · UPC 7 33739 00175 7
  5. Label 244382 Entered February 25, 2021 · off the market February 12, 2024 · 60 veg capsules · UPC 7 33739 00104 7
  6. Label 210360 Entered December 22, 2019 · off the market August 4, 2023 · 60 veg capsules · UPC 7 33739 00104 7
  7. Label 204737 Entered July 24, 2019 · off the market August 4, 2023 · 30 veg capsules · UPC 7 33739 00175 7
  8. Label 71967 Entered March 24, 2017 · off the market September 25, 2019 · 60 veg capsules · UPC 7 33739 00104 7
  9. Label 55099 Entered January 25, 2016 · off the market March 7, 2017 · 60 veg capsules · UPC 7 33739 00104 7
  10. Label 53320 Entered November 24, 2015 · off the market November 24, 2015 · 60 veg capsules · UPC 7 33739 00104 7

DSLD also links this label to: Glutathione (image difference, same product), Glutathione (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 NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?