PlainVitamins

IrB L1 To L3

by Thera-Zyme · capsule · 180 capsules

  • On the market (NIH)
  • UPC 6 97706 02261 2
  • DSLD label 176947
  • Serving 2 capsules
  • 90 servings

IrB L1 To L3 by Thera-Zyme lists 16 ingredients, 6 with an amount per serving of 2 capsules, such as 100 mg of raspberry, 100 mg of marshmallow, 100 mg of mullein and 100 mg of stinging nettle; 10 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2018.

What is in IrB L1 To L3?

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).

IrB L1 To L3: Supplement Facts rows against the market (DSLD label 176947, January 2026 release)
IngredientAmount% DVAmong products listing it
Raspberry100 mgRed Raspberry in IrB L1 To L3 against 226 products100 mg per serving; the middle half of products list 50 mg to 150 mg, the median 75 mg.100 mg

Higher than 60% of 226 products listing red raspberry (median 75 mg). Per day at the most servings: 300 mg.

Marshmallow100 mgMarshmallow in IrB L1 To L3 against 290 products100 mg per serving; the middle half of products list 50 mg to 224 mg, the median 100 mg.100 mg

44% of 290 products listing marshmallow give more (median 100 mg). Per day at the most servings: 300 mg.

Mullein100 mgMullein in IrB L1 To L3 against 97 products100 mg per serving; the middle half of products list 50 mg to 580 mg, the median 100 mg.100 mg

40% of 97 products listing mullein give more (median 100 mg). Per day at the most servings: 300 mg.

Stinging Nettle100 mgStinging Nettle in IrB L1 To L3 against 710 products100 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.100 mg

51% of 710 products listing stinging nettle give more (median 120 mg). Per day at the most servings: 300 mg.

Plantain50 mg
Psyllium50 mgPsyllium fiber in IrB L1 To L3 against 261 products0.05 g per serving; the middle half of products list 0.3 g to 4.16 g, the median 1.47 g.0.05 g

93% of 261 products listing psyllium fiber give more (median 1.47 g). Per day at the most servings: 0.15 g.

Proprietary Plant Enzyme Blend98 mg
Amylasein the blend, no amount given
Cellulasein the blend, no amount given
ProteaseProtease Note: 2 sourcesin the blend, no amount given
DiastaseDiastase Note: 2,500 DPin the blend, no amount given
Lactasein the blend, no amount given
Alpha-Galactosidasein the blend, no amount given
Glucoamylasein the blend, no amount given
Hemicellulasein the blend, no amount given
Invertasein the blend, no amount given
Lipasein the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 176947 (entered May 24, 2018), 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:

  • 93% of the 261 products that print an amount of psyllium fiber list more than its 0.05 g of psyllium fiber (median 1.47 g).

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?

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

  • IrBLoomis Enzymes same ingredients
  • L1 To L3Chiro-Zyme same ingredients
  • T5 To T9 PanChiro-Zyme 10 shared, 59% alike
  • Pan T5 To T9Thera-Zyme 10 shared, 59% alike
  • PanLoomis Enzymes 10 shared, 59% alike
  • Digestive EnzymesBN Baseline Nutritionals · off the market 10 shared, 55% 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
Directions for use: Take 2 capsules, 3 times daily after meals or as directed.
Warnings
Keep out of reach of children
Note: Consult your physician before using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Do not use if inner or outer seal is broken, torn, or missing.
Psyllium warning: May cause allergic reaction in people sensitive to inhaled or ingested psyllium.
Storage
To ensure freshness and potency, keep bottle tightly closed and store in a cool dry place.

Source: label statements in DSLD label 176947.

What else is on the label?

Other ingredients: Vegetable Capsule, Phytase.

How many labels does IrB L1 To L3 have?

One label is on file, entered on May 24, 2018.

  1. Label 176947 (current) Entered May 24, 2018 · on the market · 180 capsules · UPC 6 97706 02261 2

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

Who makes it?

The label names Enzyme Formulations, Inc. (distributor), Madison, Wisconsin. All Thera-Zyme products.

Where next?