PlainVitamins

Gastrazyme

by Biotics Research Corporation · tablet or pill · 90 tablets

  • On the market (NIH)
  • DSLD label 21821
  • Serving 1 tablet

Gastrazyme by Biotics Research Corporation lists 6 ingredients, 6 with an amount per serving of 1 tablet, such as 3,500 IU of vitamin A, 100 mg of gamma oryzanol, 20 mg of chlorophyllins and 10 mg of vitamin U complex. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2013.

What is in Gastrazyme?

Each row as the label prints it, per serving of 1 tablet. 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).

Gastrazyme: Supplement Facts rows against the market (DSLD label 21821, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas natural Mixed Carotenoids, Vitamin A PalmitateVitamin A (Form: as natural Mixed Carotenoids Note: typical composition:, and Vitamin A Palmitate Note: 2.5:1 ratio)3,500 IU70%Vitamin A in Gastrazyme against 5,772 products3,500 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.3,500 IU

51% of 5,772 products listing vitamin A give more (median 4,000 IU). Per day at the most servings: 10,500 IU.

Gamma Oryzanolas RiceGamma Oryzanol (Form: from Rice)100 mgGamma oryzanol in Gastrazyme against 85 products100 mg per serving; the middle half of products list 20 mg to 125 mg, the median 60 mg.100 mg

Higher than 64% of 85 products listing gamma oryzanol (median 60 mg). Per day at the most servings: 300 mg.

Chlorophyllinsas MulberryChlorophyllins (Form: from Mulberry PlantPart: leaf)20 mgChlorophyllin in Gastrazyme against 88 products20 mg per serving; the middle half of products list 4.75 mg to 100 mg, the median 20 mg.20 mg

47% of 88 products listing chlorophyllin give more (median 20 mg). Per day at the most servings: 60 mg.

Vitamin U Complexas DL-Methionine methylsulfonium chlorideVitamin U Complex (Form: as DL-Methionine methylsulfonium chloride)10 mg
Superoxide DismutaseSuperoxide Dismutase Note: from vegetable culture15 mcgSuperoxide Dismutase in Gastrazyme against 138 products15 mcg per serving; the middle half of products list 20 mcg to 7,107 mcg, the median 30 mcg.15 mcg

85% of 138 products listing superoxide dismutase give more (median 30 mcg). Per day at the most servings: 45 mcg.

CatalaseCatalase Note: from vegetable culture15 mcgCatalase in Gastrazyme against 103 products15 mcg per serving; the middle half of products list 20 mcg to 60 mcg, the median 20 mcg.15 mcg

83% of 103 products listing catalase give more (median 20 mcg). Per day at the most servings: 45 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 21821 (entered May 24, 2013), 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:

  • 83% of the 103 products that print an amount of catalase list more than its 15 mcg of catalase (median 20 mcg).

The NIH database records 3 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?

The products whose ingredient lists overlap most with Gastrazyme's, rare ingredients counting for more.

  • ChlorocapsBiotics Research Corporation 4 shared, 48% alike

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
RECOMMENDATION: One (1) tablet taken three (3) times daily as a dietary supplement or as otherwise directed by a healthcare professional.
Warnings
KEEP OUT OF REACH OF CHILDREN
Sealed with an imprinted safety seal for your protection.
Storage
Store in a cool, dry area.

Source: label statements in DSLD label 21821.

What else is on the label?

Other ingredients: Cellulose, Magnesium Stearate.

How many labels does Gastrazyme have?

One label is on file, entered on May 24, 2013.

  1. Label 21821 (current) Entered May 24, 2013 · on the market · 90 tablets

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

Who makes it?

The label names BIOTICS RESEARCH CORP. (manufacturer), Rosenberg, Texas, 77471. All Biotics Research Corporation products.

Where next?