PlainVitamins

Nutrient Factors

by Douglas Laboratories · capsule · 100 capsules

  • Off the market since January 2012 (NIH)
  • UPC 3 10539 01797 5
  • DSLD label 8649
  • Serving 2 capsules

Nutrient Factors by Douglas Laboratories lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 25 mg of vitamin B6, 100 mg of magnesium, 110 mg of potassium and 250 mg of bromelain. Its current label entered the NIH Dietary Supplement Label Database on June 1, 2012.

What is in Nutrient Factors?

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

Nutrient Factors: Supplement Facts rows against the market (DSLD label 8649, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine HCl)25 mg1,250%Vitamin B6 in Nutrient Factors against 15,277 products25 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg25 mg

Higher than 76% of 15,277 products listing vitamin B6 (median 6 mg).

Magnesium100 mg25%Magnesium in Nutrient Factors against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

from 500 mg Magnesium Aspartate500 mg
Potassium110 mg3%Potassium in Nutrient Factors against 11,614 products110 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg110 mg

Higher than 57% of 11,614 products listing potassium (median 99 mg).

from 500 mg Potassium Aspartate500 mg
Bromelain250 mgBromelain in Nutrient Factors against 1,337 products250 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.250 mg

Higher than 79% of 1,337 products listing bromelain (median 50 mg).

L-Carnitine50 mgL-Carnitine in Nutrient Factors against 1,338 products50 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.50 mg

82% of 1,338 products listing L-carnitine give more (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 8649 (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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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 Nutrient Factors'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 capsules daily or as directed by your healthcare professional.
Warnings
Tamper resistant package, do not use if outer seal is missing.
KEEP OUT OF REACH OF CHILDREN.
Allergens and what it does not contain
This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Storage
For optimal storage conditions, keep refrigerated with lid tightly sealed after opening.

Source: label statements in DSLD label 8649.

What else is on the label?

Other ingredients: Cellulose, Gelatin, Vegetable Stearate.

How many labels does Nutrient Factors have?

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

  1. Label 8649 (current) Entered June 1, 2012 · off the market January 20, 2012 · 100 capsules · UPC 3 10539 01797 5

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?