PlainVitamins

Testro-X

by UMZU · capsule · 90 capsules

  • On the market (NIH)
  • UPC 8 50015 51405 0
  • DSLD label 309628
  • Serving 3 capsules
  • 30 servings

Testro-X by UMZU lists 10 ingredients, 10 with an amount per serving of 3 capsules, such as 150 mg of magnesium, 15 mg of zinc, 400 mg of ksm-66 and 250 mg of coleus forskohlii extract. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2024.

What is in Testro-X?

Each row as the label prints it, per serving of 3 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).

Testro-X: Supplement Facts rows against the market (DSLD label 309628, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Citrate150 mg36%Magnesium in Testro-X against 14,003 products150 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg150 mg

Higher than 70% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Gluconate15 mg136%Zinc in Testro-X against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Ksm-66as Ashwagandha Root Extractorganic400 mgAshwagandha in Testro-X against 1,646 products400 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.400 mg

Higher than 70% of 1,646 products listing ashwagandha (median 250 mg).

Coleus Forskohlii extract250 mgColeus in Testro-X against 303 products250 mg per serving; the middle half of products list 73.5 mg to 250 mg, the median 125 mg.250 mg

Higher than 71% of 303 products listing coleus (median 125 mg).

Glycine200 mgGlycine in Testro-X against 1,078 products200 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.200 mg

56% of 1,078 products listing glycine give more (median 300 mg).

Inositol200 mgInositol in Testro-X against 4,042 products200 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.200 mg

Higher than 88% of 4,042 products listing inositol (median 30 mg).

Boronas Boron Citrate10 mgBoron in Testro-X against 3,339 products10 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg10 mg

Higher than 98% of 3,339 products listing boron (median 1 mg).

L-Theanine100 mgTheanine in Testro-X against 1,602 products100 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.100 mg

47% of 1,602 products listing theanine give more (median 100 mg).

L-Leucine70 mgLeucine in Testro-X against 2,056 products0.07 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.07 g

95% of 2,056 products listing leucine give more (median 2.5 g).

BioPerineas Black Pepper Fruit Extract10 mgBlack Pepper in Testro-X against 2,363 products10 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.10 mg

Higher than 71% of 2,363 products listing black pepper (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 309628 (entered October 24, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 10 mg of boron is higher than 98% of the 3,339 boron products that print an amount; 28 list more.
  • 95% of the 2,056 products that print an amount of leucine list more than its 0.07 g of L-leucine (filed by NIH under leucine) (median 2.5 g).

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 Testro-X's, rare ingredients counting for more.

  • Sleep AidFresh Nutrition 4 shared, 37% alike

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
Take 3 capsules 1 time per day before bed. 3 Capsules 1x daily before bed
Warnings
Warning: Not for use by persons under 18 years old.
Consult a healthcare professional prior to use if you are taking any medications or have any medical conditions. Do not use if pregnant or nursing.
Keep out of the reach of children.
Do not use if safety seal is damaged or missing.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 309628.

What else is on the label?

Other ingredients: Gelatin.

How many labels does Testro-X have?

4 labels are on file under this name since April 22, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 309628 (current) Entered October 24, 2024 · on the market · 90 capsules · UPC 8 50015 51405 0
  2. Label 308940 Entered February 22, 2024 · on the market · 90 capsules · UPC 8 50015 51405 0
  3. Label 282379 Entered February 21, 2023 · off the market March 9, 2023 · 90 capsules · UPC 8 50015 51405 0
  4. Label 246806 Entered April 22, 2021 · off the market April 29, 2022 · 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 UMZU, LLC (manufacturer), Boulder, CO. All UMZU products.

Where next?