TestPlex 450

by Genetech Pharma Labs · capsule · 90 capsules

  • Off the market since November 2019 (NIH)
  • DSLD label 211353
  • Serving 1 capsule
  • 90 servings

TestPlex 450 by Genetech Pharma Labs lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 15 mg of 4-chloro-17a-methyl-androst-1,4-diene-3-17b-diol, 6 mg of 2a,3a epithio-17a-methyl-17b-hydroxy-5a-androstane, 30 mg of methyl-1,4 androstenediol and 15 mg of 13-ethyl-3-methoxy-gona-2,5(10)dien-17-one. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in TestPlex 450?

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).

TestPlex 450: Supplement Facts rows against the market (DSLD label 211353, January 2026 release)
IngredientAmount% DVAmong products listing it
4-Chloro-17a-Methyl-Androst-1,4-Diene-3-17b-Diol15 mg
2a,3a Epithio-17a-Methyl-17b-Hydroxy-5a-Androstane6 mg
Methyl-1,4 Androstenediol30 mg
13-Ethyl-3-Methoxy-Gona-2,5(10)Dien-17-One15 mg
Milk Thistleas SilymarinMilk Thistle (Form: 85% Silymarin)75 mgMilk Thistle in TestPlex 450 against 1,277 products75 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.75 mg

77% of 1,277 products listing milk thistle give more (median 175 mg).

N-Acetyl-L-Cysteine50 mgN-Acetyl Cysteine in TestPlex 450 against 1,259 products50 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.50 mg

75% of 1,259 products listing N-acetyl cysteine give more (median 150 mg).

Source: NIH ODS Dietary Supplement Label Database, label 211353 (entered February 26, 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 TestPlex 450'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.

Warnings
Keep out of Reach of Children

Source: label statements in DSLD label 211353.

What else is on the label?

Other ingredients: Gelatin, Maltodextrin, Magnesium Stearate, Silicon Dioxide.

How many labels does TestPlex 450 have?

One label is on file, entered on February 26, 2020.

  1. Label 211353 (current) Entered February 26, 2020 · off the market November 20, 2019 · 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 Genetech Pharma Labs (manufacturer), Tampa, FL, U.S.A.. All Genetech Pharma Labs products.

Where next?