PlainVitamins

Whey Protein Isolate

by Douglas Laboratories · powder · 250 grams

  • On the market (NIH)
  • UPC 3 10539 01834 7
  • DSLD label 30815
  • Serving 20 g (1 scoop)
  • 12 servings

Whey Protein Isolate by Douglas Laboratories lists one ingredient: 17 g of whey [milk] protein isolate per serving of 20 g. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2014.

What is in Whey Protein Isolate?

Each row as the label prints it, per serving of 20 g. 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).

Whey Protein Isolate: Supplement Facts rows against the market (DSLD label 30815, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories74 Calories
Cholesterol5 mg2%Cholesterol in Whey Protein Isolate against 5,275 products5 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.5 mg

71% of 5,275 products listing cholesterol give more (median 15 mg).

Total Carbohydrates3 g1%Carbohydrate in Whey Protein Isolate against 21,979 products3 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.3 g

47% of 21,979 products listing carbohydrate give more (median 3 g).

Sugaras FructoseSugars (Form: as Fructose)3 gSugar in Whey Protein Isolate against 11,807 products3 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.3 g

Higher than 53% of 11,807 products listing sugar (median 2 g).

Protein15.5 g31%Protein in Whey Protein Isolate against 8,985 products15.5 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.15.5 g

50% of 8,985 products listing protein give more (median 16 g).

Whey [milk] Protein Isolate17 gWhey Protein in Whey Protein Isolate against 357 products17 g per serving; the middle half of products list 11.4 g to 28.74 g, the median 22 g.17 g

61% of 357 products listing whey protein give more (median 22 g).

Source: NIH ODS Dietary Supplement Label Database, label 30815 (entered February 26, 2014), 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 Whey Protein Isolate'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 mix 1 scoop with 10 to 12 ounces of water or other beverage daily or as directed by your healthcare professional. Please mix vigorously until protein is dissolved. Due to the nondenatured, non-instantized nature of this whey protein isolate, it may take 1 or 2 minutes to dissolve.
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, soy protein, corn, sodium, 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 30815.

What else is on the label?

Other ingredients: Fructose.

How many labels does Whey Protein Isolate have?

3 labels are on file under this name since January 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 30815 (current) Entered February 26, 2014 · on the market · 250 grams · UPC 3 10539 01834 7
  2. Label 10234 Entered June 25, 2012 · off the market July 31, 2013 · 250 g · UPC 3 10539 01834 7
  3. Label 5046 Entered January 25, 2012 · off the market January 20, 2012 · 250 g · UPC 3 10539 01834 7

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?