PlainVitamins

Xtra-Cell PgP

by Douglas Laboratories · capsule · 60 vegetarian capsules

  • On the market (NIH)
  • UPC 3 10539 02509 3
  • DSLD label 10409
  • Serving 2 capsules
  • 30 servings

Xtra-Cell PgP by Douglas Laboratories lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 200 mcg of selenium, 700 mcg of copper, 250 mg of green tea extract and 200 mg of tumeric root extract. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2012.

What is in Xtra-Cell PgP?

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).

Xtra-Cell PgP: Supplement Facts rows against the market (DSLD label 10409, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas zinc chelazome(R)Zinc (Form: from zinc chelazome(R))15 mg100%
Seleniumas Selenium YeastSelenium (Form: from high Selenium Yeast)200 mcg286%Selenium in Xtra-Cell PgP against 7,658 products200 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg200 mcg

Higher than 82% of 7,658 products listing selenium (median 55 mcg).

Copperas copper chelazome(R)Copper (Form: from copper chelazome(R))700 mcg35%Copper in Xtra-Cell PgP against 6,468 products0.7 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.7 mg

65% of 6,468 products listing copper give more (median 1 mg).

Proprietary Blendas Glycine, L-Alanine, L-AspartateProprietary Blend (Form: Glycine, L-Glutamine, L-Leucine, L-Threonine, L-Aspartate, L-Valine, L-Glutamate, and L-Alanine)274 mg
Green Tea Extractas EGCG, PolyphenolsGreen Tea Extract (Form: standardized to 75% polyphenols, and 25% EGCG) PlantPart: leaf250 mgGreen Tea in Xtra-Cell PgP against 2,595 products250 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.250 mg

Higher than 73% of 2,595 products listing green tea (median 100 mg).

Tumeric root extractas CurcuminoidsTumeric root extract (Form: standardized to 95% Curcuminoids) PlantPart: root200 mgTurmeric in Xtra-Cell PgP against 2,369 products200 mg per serving; the middle half of products list 50 mg to 500 mg, the median 150 mg.200 mg

Higher than 51% of 2,369 products listing turmeric (median 150 mg).

Milk Thistle Fruit Extractas SilymarinMilk Thistle Fruit Extract (Form: standardized to 80% silymarin)200 mg
Soy Bean Extractas Genistein, IsoflavonesSoy Bean Extract (Form: standardized to 40% isoflavones, and 20% genistein)65 mgSoy in Xtra-Cell PgP against 250 products65 mg per serving; the middle half of products list 60 mg to 426.25 mg, the median 125 mg.65 mg

69% of 250 products listing soy give more (median 125 mg).

Flaxseed extract35 mgFlax in Xtra-Cell PgP against 359 products35 mg per serving; the middle half of products list 50 mg to 1,000 mg, the median 200 mg.35 mg

88% of 359 products listing flax give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 10409 (entered June 25, 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 Xtra-Cell PgP'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, take 2 capsules per day, preferably with meals or as directed by your healthcare professional.
Warnings
Warning: Not intended for children under 12. Check with your healthcare professional prior to use if you are pregnant or lactating, have experienced recent surgery or have a cardiovascular condition.
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 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 10409.

What else is on the label?

Other ingredients: Cellulose, Rice Flour.

How many labels does Xtra-Cell PgP have?

One label is on file, entered on June 25, 2012.

  1. Label 10409 (current) Entered June 25, 2012 · on the market · 60 vegetarian capsules · UPC 3 10539 02509 3

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 (distributor), Pittsburgh, PA. All Douglas Laboratories products.

Where next?