PlainVitamins

GTA-Forte

by Biotics Research Corporation · capsule · 90 capsules

  • On the market (NIH)
  • DSLD label 21839
  • Serving 1 capsule

GTA-Forte by Biotics Research Corporation lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 10 mg of zinc, 5 mcg of selenium, 1 mg of copper and 5 mcg of rubidium. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2013.

What is in GTA-Forte?

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

GTA-Forte: Supplement Facts rows against the market (DSLD label 21839, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas Zinc GluconateZinc (Form: as Zinc Gluconate)10 mg67%Zinc in GTA-Forte against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 30 mg.

SeleniumSelenium Note: from vegetable culture5 mcg7%Selenium in GTA-Forte against 7,658 products5 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg5 mcg

97% of 7,658 products listing selenium give more (median 55 mcg). Per day at the most servings: 15 mcg.

Copperas Copper GluconateCopper (Form: as Copper Gluconate)1 mg5%

This amount is far outside what other labels list for copper, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

RubidiumRubidium Note: from vegetable culture5 mcgRubidium in GTA-Forte against 30 products5 mcg per serving; the middle half of products list 7.75 mcg to 81.25 mcg, the median 22.5 mcg.5 mcg

77% of 30 products listing rubidium give more (median 22.5 mcg). Per day at the most servings: 15 mcg.

Porcine Glandular Concentrate5 mg
Superoxide DismutaseSuperoxide Dismutase Note: from vegetable culture30 mcgSuperoxide Dismutase in GTA-Forte against 138 products30 mcg per serving; the middle half of products list 20 mcg to 7,107 mcg, the median 30 mcg.30 mcg

46% of 138 products listing superoxide dismutase give more (median 30 mcg). Per day at the most servings: 90 mcg.

CatalaseCatalase Note: from vegetable culture30 mcgCatalase in GTA-Forte against 103 products30 mcg per serving; the middle half of products list 20 mcg to 60 mcg, the median 20 mcg.30 mcg

Higher than 59% of 103 products listing catalase (median 20 mcg). Per day at the most servings: 90 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 21839 (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:

  • 97% of the 7,658 products that print an amount of selenium list more than its 5 mcg of selenium (median 55 mcg).
  • 77% of the 30 products that print an amount of rubidium list more than its 5 mcg of rubidium (median 22.5 mcg).

The NIH database records 1 to 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?

2 products list the very same ingredients; the nearest amounts come first.

  • GTA-Forte llBiotics Research Corporation same ingredients
  • GTA-Forte IIBiotics Research Corporation same ingredients
  • GtaBiotics Research Corporation 4 shared, 82% alike
  • Basic NineBiotics Research Corporation 4 shared, 47% alike
  • Dismuzyme Plus 5000Biotics Research Corporation 4 shared, 46% alike
  • ThyrostimBiotics Research Corporation 5 shared, 46% 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) capsule one (1) to three (3) times each day as a dietary supplement or as otherwise directed by a healthcare professional.
Warnings
Caution: Not recommended for pregnant or lactating women.
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 21839.

What else is on the label?

Other ingredients: Gelatin, Water.

How many labels does GTA-Forte have?

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

  1. Label 21839 (current) Entered May 24, 2013 · on the market · 90 capsules

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?