Gsh 250

by Douglas Laboratories · capsule · 90 capsules

  • Off the market since February 2018 (NIH)
  • UPC 3 10539 00448 7
  • DSLD label 232239
  • Serving 3 capsules
  • 30 servings

Gsh 250 by Douglas Laboratories lists 10 ingredients, 10 with an amount per serving of 3 capsules, such as 25 mg of riboflavin, 25 mcg of selenium, 250 mg of L-glutathione and 250 mg of N-acetyl-L-cysteine. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2020.

What is in Gsh 250?

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).

Gsh 250: Supplement Facts rows against the market (DSLD label 232239, January 2026 release)
IngredientAmount% DVAmong products listing it
Riboflavin25 mg1,923%Riboflavin in GSH 250 against 9,824 products25 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg25 mg

Higher than 75% of 9,824 products listing riboflavin (median 4 mg).

Seleniumas Selenium Krebs Cycle ChelateSelenium (Form: as Selenium Krebs Complex (Form: Selenium Citrate, Selenium Fumarate, Selenium Malate, Selenium Glutarate, and Selenium Succinate))25 mcg45%Selenium in GSH 250 against 7,658 products25 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg25 mcg

75% of 7,658 products listing selenium give more (median 55 mcg).

L-GlutathioneL-Glutathione Note: reduced250 mgGlutathione in GSH 250 against 717 products250 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.250 mg

Higher than 76% of 717 products listing glutathione (median 50 mg).

N-Acetyl-L-Cysteine250 mgN-Acetyl Cysteine in GSH 250 against 1,259 products250 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.250 mg

Higher than 60% of 1,259 products listing N-acetyl cysteine (median 150 mg).

Alpha Lipoic Acid200 mgAlpha Lipoic Acid in GSH 250 against 2,407 products200 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.200 mg

Higher than 78% of 2,407 products listing alpha lipoic acid (median 50 mg).

Parsley150 mgParsley in GSH 250 against 359 products150 mg per serving; the middle half of products list 25.35 mg to 200 mg, the median 80 mg.150 mg

Higher than 70% of 359 products listing parsley (median 80 mg).

Spinach50 mgSpinach in GSH 250 against 216 products50 mg per serving; the middle half of products list 46.75 mg to 300 mg, the median 125 mg.50 mg

65% of 216 products listing spinach give more (median 125 mg).

L-Glycine5 mgGlycine in GSH 250 against 1,078 products5 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.5 mg

over 99% of 1,078 products listing glycine give more (median 300 mg).

L-Glutamine5 mgGlutamine in GSH 250 against 1,850 products0.005 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.005 g

over 99% of 1,850 products listing glutamine give more (median 1 g).

L-Cysteine5 mgCysteine in GSH 250 against 516 products5 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.5 mg

91% of 516 products listing cysteine give more (median 85 mg).

Source: NIH ODS Dietary Supplement Label Database, label 232239 (entered August 23, 2020), 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:

  • over 99% of the 1,078 products that print an amount of glycine list more than its 5 mg of L-glycine (filed by NIH under glycine) (median 300 mg).
  • over 99% of the 1,850 products that print an amount of glutamine list more than its 0.005 g of L-glutamine (filed by NIH under glutamine) (median 1 g).
  • 91% of the 516 products that print an amount of cysteine list more than its 5 mg of L-cysteine (filed by NIH under cysteine) (median 85 mg).

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?

The products whose ingredient lists overlap most with Gsh 250'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
Suggested Usage: As a dietary supplement, adults take 3 capsules daily or as directed by your health professional.
Warnings
Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 232239.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Dicalcium Phosphate, Gelatin, Magnesium Silicate, Vegetable Stearate.

How many labels does Gsh 250 have?

4 labels are on file under this name since February 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 232239 (current) Entered August 23, 2020 · off the market February 26, 2018 · 90 capsules · UPC 3 10539 00448 7
  2. Label 70260 Entered February 24, 2017 · off the market February 26, 2018 · 90 capsules · UPC 3 10539 00448 7
  3. Label 9900 Entered June 25, 2012 · off the market December 16, 2016 · 90 capsules · UPC 3 10539 00448 7
  4. Label 6227 Entered February 23, 2012 · off the market January 20, 2012 · 90 capsules · UPC 3 10539 00448 7

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?