Proto-Zyme

by Priority One Nutritional Supplements · tablet or pill · 180 tablets

  • On the market (NIH)
  • UPC 8 15354 02116 4
  • DSLD label 277407
  • Serving 2 tablets
  • 90 servings

Proto-Zyme by Priority One Nutritional Supplements lists 12 ingredients, 9 with an amount per serving of 2 tablets, such as 4 mg of zinc, 100 mg of papain, 75 mg of bromelain and 60 mg of rutin; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2022.

What is in Proto-Zyme?

Each row as the label prints it, per serving of 2 tablets. 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).

Proto-Zyme: Supplement Facts rows against the market (DSLD label 277407, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas Zinc Gluconate4 mg36%Zinc in Proto-Zyme against 13,186 products4 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg4 mg

81% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 12 mg.

Papain300,000 USP/Serving100 mgPapain in Proto-Zyme against 607 products100 mg per serving; the middle half of products list 20 mg to 75 mg, the median 40 mg.100 mg

Higher than 77% of 607 products listing papain (median 40 mg). Per day at the most servings: 300 mg.

Bromelain270MCU/Serving75 mgBromelain in Proto-Zyme against 1,337 products75 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.75 mg

Higher than 53% of 1,337 products listing bromelain (median 50 mg). Per day at the most servings: 225 mg.

Rutinas Japanese Sophora Flower Extract60 mgRutin in Proto-Zyme against 1,232 products60 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.60 mg

Higher than 81% of 1,232 products listing rutin (median 25 mg). Per day at the most servings: 180 mg.

Trypsin1:75 Extract (2.625 USP/Serving)35 mgTrypsin in Proto-Zyme against 77 products35 mg per serving; the middle half of products list 35 mg to 100 mg, the median 75 mg.35 mg

71% of 77 products listing trypsin give more (median 75 mg). Per day at the most servings: 105 mg.

Pancreatin 8x200 mg
Amylase40,000 USP/servingin the blend, no amount given
Lipase6,600 USP/servingin the blend, no amount given
Protease40,000 USP/servingin the blend, no amount given
Lysozyme10 mg
Cellulase40CU/serving2 mgCellulase in Proto-Zyme against 184 products2 mg per serving; the middle half of products list 3.74 mg to 30 mg, the median 10 mg.2 mg

83% of 184 products listing cellulase give more (median 10 mg). Per day at the most servings: 6 mg.

Alpha-Chymotrypsin75 USP/serving1 mgChymotrypsin in Proto-Zyme against 49 products1 mg per serving; the middle half of products list 2 mg to 5 mg, the median 3 mg.1 mg

80% of 49 products listing chymotrypsin give more (median 3 mg). Per day at the most servings: 3 mg.

Thymus35 mgThymus in Proto-Zyme against 122 products35 mg per serving; the middle half of products list 25 mg to 198.75 mg, the median 50.5 mg.35 mg

70% of 122 products listing thymus give more (median 50.5 mg). Per day at the most servings: 105 mg.

Source: NIH ODS Dietary Supplement Label Database, label 277407 (entered October 24, 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:

  • 83% of the 184 products that print an amount of cellulase list more than its 2 mg of cellulase (median 10 mg).

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 Proto-Zyme'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
Recommendations: Take two (2) tablets three times daily, or as directed by your physician.
Warnings
Warning: If you are pregnant or breast feeding, consult your physician before using this product.
Keep out of reach of children.
For professional use only.
Allergens and what it does not contain
Contains no preservatives. Non-GMO
Storage
Keep container tightly closed, store in a cool, dry place.

Source: label statements in DSLD label 277407.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Vegetable Stearic Acid, Croscarmellose Sodium, Microcrystalline Cellulose, Silicon Dioxide, Methylcellulose, Water, Purified, Lysozyme.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Certified.

How many labels does Proto-Zyme have?

3 labels are on file under this name since September 25, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 277407 (current) Entered October 24, 2022 · on the market · 180 tablets · UPC 8 15354 02116 4
  2. Label 255617 Entered September 24, 2021 · off the market March 16, 2022 · 180 tablets · UPC 8 15354 02116 4
  3. Label 236865 Entered September 25, 2020 · off the market June 15, 2021 · 180 tablets · UPC 8 15354 02116 4

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

Who makes it?

The label names Priority One Nutritional Supplements, Inc. (distributor). All Priority One Nutritional Supplements products.

Where next?