PlainVitamins

Enz-Factors Plus

by Douglas Laboratories · capsule · 100 capsules

  • On the market (NIH)
  • UPC 3 10539 01853 8
  • DSLD label 9849
  • Serving 1 capsule
  • 100 servings

Enz-Factors Plus by Douglas Laboratories lists 14 ingredients, 14 with an amount per serving of 1 capsule, such as 10 mg of niacin, 75 mg of L-carnitine, 2.5 mg of coenzyme Q-10 and 400 mg of lecithin. Its current label entered the NIH Dietary Supplement Label Database on June 1, 2012.

What is in Enz-Factors Plus?

Each row as the label prints it, per serving of 1 capsule. 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).

Enz-Factors Plus: Supplement Facts rows against the market (DSLD label 9849, January 2026 release)
IngredientAmount% DVAmong products listing it
Niacin10 mg50%Niacin in Enz-Factors Plus against 12,413 products10 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg10 mg

77% of 12,413 products listing niacin give more (median 20 mg).

L-Carnitine75 mgL-Carnitine in Enz-Factors Plus against 1,338 products75 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.75 mg

80% of 1,338 products listing L-carnitine give more (median 500 mg).

Coenzyme Q-102.5 mgCoenzyme Q-10 in Enz-Factors Plus against 2,922 products2.5 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.2.5 mg

95% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

Lecithinas SoyaLecithin (Form: Soya) Note: Yielding400 mgLecithin in Enz-Factors Plus against 804 products400 mg per serving; the middle half of products list 50 mg to 1,200 mg, the median 200 mg.400 mg

Higher than 57% of 804 products listing lecithin (median 200 mg).

Phosphatidylcholine92 mgPhosphatidylcholine in Enz-Factors Plus against 403 products92 mg per serving; the middle half of products list 35 mg to 420 mg, the median 120 mg.92 mg

60% of 403 products listing phosphatidylcholine give more (median 120 mg).

Phosphatidylethanolamine80 mgPhosphatidylethanolamine in Enz-Factors Plus against 93 products80 mg per serving; the middle half of products list 10 mg to 200 mg, the median 43 mg.80 mg

Higher than 53% of 93 products listing phosphatidylethanolamine (median 43 mg).

Phosphatidylinositol56 mgPhosphatidylinositol in Enz-Factors Plus against 102 products56 mg per serving; the middle half of products list 10 mg to 177 mg, the median 90 mg.56 mg

55% of 102 products listing phosphatidylinositol give more (median 90 mg).

Guar Gum50 mgGuar in Enz-Factors Plus against 128 products50 mg per serving; the middle half of products list 300 mg to 1,625 mg, the median 651.5 mg.50 mg

89% of 128 products listing guar give more (median 651.5 mg).

CarrageenanCarrageenan (Form: from Red Algae Genus: Eucheuma Species: cottonii)50 mg
MucopolysaccharidesMucopolysaccharides Note: Providing50 mg
Chondroitin Sulfate20 mgChondroitin Sulfate in Enz-Factors Plus against 950 products20 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.20 mg

over 99% of 950 products listing chondroitin sulfate give more (median 400 mg).

Bromelain/Papain Complex40 mg
Choline40 mg7%*Choline in Enz-Factors Plus against 4,738 products40 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg40 mg

48% of 4,738 products listing choline give more (median 40 mg).

Silicon Dioxide25 mgSilicon in Enz-Factors Plus against 1,220 products25 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.25 mg

Higher than 87% of 1,220 products listing silicon (median 4 mg).

Edta50 mgEDTA in Enz-Factors Plus against 50 products50 mg per serving; the middle half of products list 200 mg to 500 mg, the median 300 mg.50 mg

90% of 50 products listing EDTA give more (median 300 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 9849 (entered June 1, 2012), 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:

  • 95% of the 2,922 products that print an amount of coenzyme Q-10 list more than its 2.5 mg of coenzyme Q-10 (median 60 mg).
  • 89% of the 128 products that print an amount of guar list more than its 50 mg of guar (median 651.5 mg).
  • over 99% of the 950 products that print an amount of chondroitin sulfate list more than its 20 mg of chondroitin sulfate (median 400 mg).
  • 90% of the 50 products that print an amount of EDTA list more than its 50 mg of edta (filed by NIH under EDTA) (median 300 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 Enz-Factors Plus's, rare ingredients counting for more.

  • LipexDouglas Laboratories 9 shared, 58% 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
Suggested Usage: As a dietary supplement, adults take 1 capsule daily or as directed by physician.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Allergens and what it does not contain
This product contains NO yeast, wheat gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 9849.

What else is on the label?

Other ingredients: Gelatin, Silica, Vegetable Stearate.

How many labels does Enz-Factors Plus have?

One label is on file, entered on June 1, 2012.

  1. Label 9849 (current) Entered June 1, 2012 · on the market · 100 capsules · UPC 3 10539 01853 8

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?