PlainVitamins

Double Strength Zymactive

by Natural Factors · tablet or pill · 30 enteric coated tablets

  • On the market (NIH)
  • UPC 0 68958 01752 5
  • DSLD label 220823
  • Serving 1 to 2 tablets; amounts per 2 tablets
  • 15 servings

Double Strength Zymactive by Natural Factors lists 6 ingredients, 3 with an amount per serving of 2 tablets; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in Double Strength Zymactive?

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).

Double Strength Zymactive: Supplement Facts rows against the market (DSLD label 220823, January 2026 release)
IngredientAmount% DVAmong products listing it
Enzyme Blend510 mg
Pancreatic Enzymes 11xas Pancreas, Sus scrofaPancreatic Enzymes 11x (Form: Sus scrofa Genus: Sus Species: scrofa, Pancreas) Note: 11 times more concentrated than USP standard.292 mg
Amylase, PancreaticPancreatic Amylase Note: 80,000 USP unitsin the blend, no amount given
Protease, PancreaticPancreatic Protease Note: 80,000 USP unitsin the blend, no amount given
Lipase, PancreaticPancreatic Lipase Note: 6,400 USP unitsin the blend, no amount given
Papainas Carica papayaPapain (Form: Carica papaya PlantPart: fruit Genus: Carica Species: papaya) Note: 7,200,000 FCC PU171.44 mgPapain in Double Strength Zymactive against 607 products171.44 mg per serving; the middle half of products list 20 mg to 75 mg, the median 40 mg.171.44 mg

Higher than 90% of 607 products listing papain (median 40 mg). Per day at the most servings: 514.32 mg.

Serratia Peptidaseas Serratia marcescens E15Serratia peptidase (Form: Serratia marcescens E15 PlantPart: whole Genus: Serratia Species: marcescens) Note: 20,800 SU9.44 mgSerratiopeptidase in Double Strength Zymactive against 64 products9.44 mg per serving; the middle half of products list 16.25 mg to 74.25 mg, the median 33 mg.9.44 mg

81% of 64 products listing serratiopeptidase give more (median 33 mg). Per day at the most servings: 28.32 mg.

Bromelainas Ananas comosusBromelain (Form: Ananas comosus PlantPart: stem Genus: Ananas Species: comosus) Note: 1,280,000 FCC PU38.8 mgBromelain in Double Strength Zymactive against 1,337 products38.8 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.38.8 mg

65% of 1,337 products listing bromelain give more (median 50 mg). Per day at the most servings: 116.4 mg.

Source: NIH ODS Dietary Supplement Label Database, label 220823 (entered June 24, 2020), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 3 ingredients sit inside a blend, so their amounts cannot be compared.

The NIH database records 2 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?

1 product lists the very same ingredients; the nearest amounts come first.

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
Suggested Usage: 1-2 tablets 2-3 times per day or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
Keep out of the reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 220823.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Aqueous Coating solution, Croscarmellose Sodium, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura Non-GMO - Mass Spec Documentation Lab tested; Purity & Potency Guaranteed.

How many labels does Double Strength Zymactive have?

7 labels are on file under this name since October 22, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 220823 (current) Entered June 24, 2020 · on the market · 30 enteric coated tablets · UPC 0 68958 01752 5
  2. Label 220820 Entered May 22, 2020 · on the market · 90 enteric coated tablets · UPC 0 68958 01750 1
  3. Label 179379 Entered September 21, 2018 · off the market April 7, 2020 · 30 enteric coated tablets · UPC 0 68958 01752 5
  4. Label 179377 Entered July 25, 2018 · off the market April 7, 2020 · 90 enteric coated tablets · UPC 0 68958 01750 1
  5. Label 75246 Entered June 23, 2017 · off the market February 2, 2018 · 30 enteric coated tablets · UPC 0 68958 01752 5
  6. Label 75245 Entered June 23, 2017 · off the market February 2, 2018 · 90 enteric coated tablets · UPC 0 68958 01750 1
  7. Label 51426 Entered October 22, 2015 · off the market May 6, 2017 · 90 enteric coated tablets · UPC 0 68958 01750 1

DSLD also links this label to: Double Strength Zymactive Proteolytic Enzymes (image difference, same product).

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?