PlainVitamins

S-Acetyl Glutathione

by XYMOGEN · capsule · 120 acid-resistant vegetarian capsules

  • On the market (NIH)
  • UPC 8 71149 00435 4
  • DSLD label 303844
  • Serving 1 to 2 capsules; amounts per 2 capsules
  • 60 servings

S-Acetyl Glutathione by XYMOGEN lists one ingredient: 200 mg of S-acetyl glutathione per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on December 14, 2023.

What is in S-Acetyl Glutathione?

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).

S-Acetyl Glutathione: Supplement Facts rows against the market (DSLD label 303844, January 2026 release)
IngredientAmount% DVAmong products listing it
S-Acetyl Glutathione200 mgAcetyl-l-glutathione in S-Acetyl Glutathione against 33 products200 mg per serving; the middle half of products list 100 mg to 300 mg, the median 200 mg.200 mg

27% of 33 products listing acetyl-l-glutathione give more (median 200 mg). Per day at the most servings: 400 mg.

Source: NIH ODS Dietary Supplement Label Database, label 303844 (entered December 14, 2023), 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 2 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?

6 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 one to two capsules one to two times daily, or as directed by your healthcare professional.
Warnings
Consult your healthcare professional prior to use.
Individuals taking medication should discuss potential interactions with their healthcare professional.
Do not use if tamper seal is damaged.
Storage: Keep closed in a cool, dry place out of reach of children.
Allergens and what it does not contain
Formulated to exclude: Wheat, gluten, corn, yeast, soy, animal and dairy products, fish, shellfish, peanuts, tree nuts, egg, sesame, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, and artificial preservatives.

Source: label statements in DSLD label 303844.

What else is on the label?

Other ingredients: Hypromellose, Gellan Gum, Water, Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): ePV (ePedigree Verification) Third-Party Verified GMP Compliant.

How many labels does S-Acetyl Glutathione have?

4 labels are on file under this name since November 21, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 303844 (current) Entered December 14, 2023 · on the market · 120 acid-resistant vegetarian capsules · UPC 8 71149 00435 4
  2. Label 303843 Entered December 14, 2023 · on the market · 60 acid-resistant vegetarian capsules · UPC 8 71149 00345 6
  3. Label 66749 Entered November 21, 2016 · on the market · 120 acid-resistant vegetarian capsules · UPC 8 71149 00435 4
  4. Label 66748 Entered November 21, 2016 · on the market · 60 acid-resistant vegetarian capsules · UPC 8 71149 00345 6

DSLD also links this label to: S-Acetyl Glutathione (package size difference, same product), S-Acetyl Glutathione (package size difference, same product), S-Acetyl Glutathione (image difference, same product), S-Acetyl 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 XYMOGEN Exclusive Professional Formulas (manufacturer), Orlando, FL. All XYMOGEN products.

Where next?