GW 501516 Extreme

by Mass Genetics · capsule · 90 capsules

  • On the market (NIH)
  • DSLD label 211527
  • Serving 1 capsule
  • 90 servings

GW 501516 Extreme by Mass Genetics lists one ingredient: 10 mg of cardarine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on December 22, 2019.

What is in GW 501516 Extreme?

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).

GW 501516 Extreme: Supplement Facts rows against the market (DSLD label 211527, January 2026 release)
IngredientAmount% DVAmong products listing it
Cardarine10 mg

Source: NIH ODS Dietary Supplement Label Database, label 211527 (entered December 22, 2019), 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?

6 products list the very same ingredients; the nearest amounts come first.

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.

Allergens and what it does not contain
Contains no sugar, salt, starch, yeast, milk, egg, shellfish, preservatives, artificial flavors and colors.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide.

How many labels does GW 501516 Extreme have?

One label is on file, entered on December 22, 2019.

  1. Label 211527 (current) Entered December 22, 2019 · on the market · 90 capsules

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

Who makes it?

The label names Mass Genetics (manufacturer). All Mass Genetics products.

Where next?