QB-Zyme Pro
by Progressive Professional from Progressive Laboratories · capsule · 90 vegetable capsules
- On the market (NIH)
- UPC 3 51821 01029 8
- DSLD label 263148
- Serving 2 to 3 vegetable capsules; amounts per 3 vegetable capsules
- 30 servings
QB-Zyme Pro by Progressive Professional from Progressive Laboratories lists 9 ingredients, 6 with an amount per serving of 3 vegetable capsules, such as 249 mg of vitamin C, 20 mg of magnesium, 750 mg of quercetin and 375 mg of bromelain; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.
What is in QB-Zyme Pro?
Each row as the label prints it, per serving of 3 vegetable 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Manganese Ascorbate | 249 mg | 415% | Higher than 68% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 996 mg. |
| Magnesiumas Magnesium Ascorbate | 20 mg | 5% | 83% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 80 mg. |
| Quercetin | 750 mg | Higher than 95% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 3,000 mg. | |
| Bromelain | 375 mg | Higher than 87% of 1,337 products listing bromelain (median 50 mg). Per day at the most servings: 1,500 mg. | |
| Papain48000 USP/mg | 225 mg | Higher than 95% of 607 products listing papain (median 40 mg). Per day at the most servings: 900 mg. | |
| Pancreatin 10X | 75 mg | ||
| Protease250 USP units/mg | in the blend, no amount given | ||
| Amylase250 USP units/mg | in the blend, no amount given | ||
| Lipase20 USP units/mg | in the blend, no amount given | ||
| Rutin | 75 mg | Higher than 82% of 1,232 products listing rutin (median 25 mg). Per day at the most servings: 300 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 263148 (entered June 16, 2022), 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?
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:
- Its 750 mg of quercetin is higher than 95% of the 1,548 quercetin products that print an amount; 78 list more.
- Its 225 mg of papain is higher than 95% of the 607 papain products that print an amount; 30 list more.
The NIH database records 2 to 4 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.
- Quercetin-Bromelain ForteProThera · off the market same ingredients
- Quercetin-Bromelain ForteKlaire Labs · off the market same ingredients
- Longevity EnzymesAltrum 6 shared, 75% alike
- A.I. EnzymesPure Encapsulations 6 shared, 75% alike
- Best Proteolytic EnzymesDoctor's Best · off the market 6 shared, 63% alike
- Proteolytic EnzymesCalifornia Gold Nutrition 6 shared, 63% 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: Take two or three vegetable capsules two to four times daily, in between meals if possible or as directed by a health care professional.
- Warnings
- Sold only for dispensing by a licensed health professional.
- Pregnant and/or lactating women should consult their physician prior to use.
- Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.
- Keep out of the reach of children.
- Quercetin is not recommended for pregnant women or nursing mothers. Patients taking prescription medications should consult their physician for possible interactions.
Source: label statements in DSLD label 263148.
What else is on the label?
Other ingredients: Hydroxypropyl Methylcellulose, L-Leucine.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111.
How many labels does QB-Zyme Pro have?
One label is on file, entered on June 16, 2022.
- Label 263148 (current) Entered June 16, 2022 · on the market · 90 vegetable capsules · UPC 3 51821 01029 8
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Progressive Laboratories, Inc. (manufacturer), Irving, Texas. All Progressive Professional from Progressive Laboratories products.