PlainVitamins

Mass Pro

by Centurion Labz · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 218358
  • Serving 1 capsule
  • 60 servings

Mass Pro by Centurion Labz lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 300 mg of 3beta-hydroxy-5-androstan-17-one, 150 mg of (-)-epicatechin and 100 mg of dehydroepiandrosterone. Its current label entered the NIH Dietary Supplement Label Database on April 23, 2020.

What is in Mass Pro?

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).

Mass Pro: Supplement Facts rows against the market (DSLD label 218358, January 2026 release)
IngredientAmount% DVAmong products listing it
3beta-Hydroxy-5-androstan-17-one300 mg
(-)-Epicatechin150 mgEpicatechin in Mass Pro against 45 products150 mg per serving; the middle half of products list 60 mg to 300 mg, the median 200 mg.150 mg

51% of 45 products listing epicatechin give more (median 200 mg).

Dehydroepiandrosterone100 mgDHEA in Mass Pro against 454 products100 mg per serving; the middle half of products list 25 mg to 50 mg, the median 25 mg.100 mg

Higher than 85% of 454 products listing DHEA (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 218358 (entered April 23, 2020), 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 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 Mass Pro'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 else is on the label?

Other ingredients: Gelatin, Magnesium Stearate, Silicon Dioxide, FD&C Blue #1, FD&C Red #40.

How many labels does Mass Pro have?

One label is on file, entered on April 23, 2020.

  1. Label 218358 (current) Entered April 23, 2020 · on the market · 60 capsules

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

Who makes it?

The label names Centurion Labz (manufacturer). All Centurion Labz products.

Where next?