PlainVitamins

Zymetec

by Douglas Laboratories · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 3 10539 01922 1
  • DSLD label 8036
  • Serving 2 tablets
  • 30 servings

Zymetec by Douglas Laboratories lists 8 ingredients, 8 with an amount per serving of 2 tablets, such as 200 mg of vitamin C, 20 mg of zinc, 200 mg of bromelain and 100 mg of papain. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2013.

What is in Zymetec?

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).

Zymetec: Supplement Facts rows against the market (DSLD label 8036, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium AscorbateVitamin C (Form: as Calcium Ascorbate)200 mg333%Vitamin C in Zymetec against 18,583 products200 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg200 mg

Higher than 63% of 18,583 products listing vitamin C (median 100 mg).

Zincas Zinc GluconateZinc (Form: as Zinc Gluconate)20 mg133%Zinc in Zymetec against 13,186 products20 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg20 mg

Higher than 79% of 13,186 products listing zinc (median 11 mg).

Manganeseas Manganese Gluconate, Manganese SulfateManganese (Form: as manganese sulfate, and manganese gluconate)40 mg2,000%
BromelainBromelain Note: Enteric-coated200 mgBromelain in Zymetec against 1,337 products200 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.200 mg

Higher than 73% of 1,337 products listing bromelain (median 50 mg).

PapainPapain Note: Enteric-coated100 mgPapain in Zymetec 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).

TrypsinTrypsin Note: Enteric-coated100 mgTrypsin in Zymetec against 77 products100 mg per serving; the middle half of products list 35 mg to 100 mg, the median 75 mg.100 mg

Higher than 70% of 77 products listing trypsin (median 75 mg).

Chymotrypsin200 mcgChymotrypsin in Zymetec against 49 products0.2 mg per serving; the middle half of products list 2 mg to 5 mg, the median 3 mg.0.2 mg

90% of 49 products listing chymotrypsin give more (median 3 mg).

Bioflavonoids200 mgFlavonoid in Zymetec against 2,343 products200 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.200 mg

Higher than 83% of 2,343 products listing flavonoid (median 50 mg).

Shave grass leaf2 mgHorsetail in Zymetec against 519 products2 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.2 mg

98% of 519 products listing horsetail give more (median 67 mg).

CartilageCartilage Note: bovine source100 mg

Source: NIH ODS Dietary Supplement Label Database, label 8036 (entered July 25, 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:

  • 90% of the 49 products that print an amount of chymotrypsin list more than its 0.2 mg of chymotrypsin (median 3 mg).
  • 98% of the 519 products that print an amount of horsetail list more than its 2 mg of shave grass leaf (filed by NIH under horsetail) (median 67 mg).

The NIH database records one serving 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 Zymetec'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
Suggested Usage: As a dietary supplement, adults take 2 tablets daily, or as directed by physician.

Source: label statements in DSLD label 8036.

What else is on the label?

Other ingredients: Cellulose, Ethylcellulose, Vegetable Stearine, Magnesium Stearate, Silica, Pharmaceutical Glaze.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): amni(R) original formula.

How many labels does Zymetec have?

One label is on file, entered on July 25, 2013.

  1. Label 8036 (current) Entered July 25, 2013 · on the market · 60 tablets · UPC 3 10539 01922 1

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?