PlainVitamins

GastroThera

by Klaire Labs · capsule · 180 vegetarian capsules

  • Off the market since February 2025 (NIH)
  • UPC 8 28054 00501 3
  • DSLD label 322279
  • Serving 6 capsules
  • 30 servings

GastroThera by Klaire Labs lists 4 ingredients, 4 with an amount per serving of 6 capsules, such as 3,750 mg of L-glutamine, 375 mg of acacia, 187 mg of inulin and 187 mg of N-acetyl-D-glucosamine, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in GastroThera?

Each row as the label prints it, per serving of 6 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).

GastroThera: Supplement Facts rows against the market (DSLD label 322279, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories20 Calories
Total Carbohydrate1 g1%Carbohydrate in GastroThera against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g).

L-Glutaminefree form3,750 mgGlutamine in GastroThera against 1,850 products3.75 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.3.75 g

Higher than 78% of 1,850 products listing glutamine (median 1 g).

Acaciaas Acacia senegal375 mgAcacia in GastroThera against 101 products0.375 g per serving; the middle half of products list 0.2 g to 3 g, the median 1 g.0.375 g

66% of 101 products listing acacia give more (median 1 g).

Inulinas Chicory root extract187 mgInulin in GastroThera against 370 products187 mg per serving; the middle half of products list 100 mg to 1,500 mg, the median 300 mg.187 mg

67% of 370 products listing inulin give more (median 300 mg).

N-Acetyl-D-Glucosamine187 mgN-Acetyl Glucosamine in GastroThera against 148 products187 mg per serving; the middle half of products list 79 mg to 500 mg, the median 250 mg.187 mg

58% of 148 products listing N-acetyl glucosamine give more (median 250 mg).

Source: NIH ODS Dietary Supplement Label Database, label 322279 (entered March 25, 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 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 GastroThera'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 use: 6 capsules daily or as directed by a healthcare professional. May be taken with food or between meals.
Warnings
Do not use if shrinkwrap is broken or missing.
Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product.
Keep out of reach of children.
Allergens and what it does not contain
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives.
Storage
Store in a cool, dry place (59 degrees F - 85 degrees F) away from direct light.

Source: label statements in DSLD label 322279.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Water, Ascorbyl Palmitate, Silicon Dioxide.

How many labels does GastroThera have?

4 labels are on file under this name since June 16, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 322279 (current) Entered March 25, 2025 · off the market February 18, 2025 · 180 vegetarian capsules · UPC 8 28054 00501 3
  2. Label 322278 Entered January 23, 2025 · off the market February 18, 2025 · 13.51 ounces · UPC 8 28054 00500 6
  3. Label 280456 Entered January 23, 2023 · off the market March 2, 2023 · 12.7 ounces · UPC 8 28054 00500 6
  4. Label 264872 Entered June 16, 2022 · off the market March 18, 2022 · 12.7 ounces · UPC 8 28054 00500 6

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

Who makes it?

The label names SFI USA (manufacturer), Reno, NV. All Klaire Labs products.

Where next?