S23

by Panther Sports Nutrition · capsule · 90 capsules

  • On the market (NIH)
  • DSLD label 209999
  • Serving 1 capsule
  • 90 servings

S23 by Panther Sports Nutrition lists one ingredient: 15 mg of (2S)-N-(4-cyano-3-(trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on December 22, 2019.

What is in S23?

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).

S23: Supplement Facts rows against the market (DSLD label 209999, January 2026 release)
IngredientAmount% DVAmong products listing it
(2S)-N-(4-cyano-3-(trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide15 mg

Source: NIH ODS Dietary Supplement Label Database, label 209999 (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 NIH database records 2 servings 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?

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

  • OxBoostMatrix Labs same ingredients
  • OstarineSwole Labs same ingredients
  • Super OstaPrimeval Labs same ingredients
  • OstabolCeltic Labs · off the market same ingredients
  • OstarineRed Supplements · off the market same ingredients
  • Osta XLHardcore Anabolics same ingredients

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 Use: Take 1 capsule twice a day. Do not take for more than 2 months consecutively. Take at least 1 month off before starting another cycle. For Best Results: Eat 5-6 smaller meals per day Reduce daily carbohydrate intake Eliminate fast food and soda from your diet

Source: label statements in DSLD label 209999.

What else is on the label?

Other ingredients: Rice Flour, Magnesium Stearate, Gelatin.

How many labels does S23 have?

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

  1. Label 209999 (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 Panther Sports Nutrition (manufacturer). All Panther Sports Nutrition products.

Where next?