PlainVitamins

N.o. Xt

by Jacked Factory JF · capsule · 90 veggie capsules

  • On the market (NIH)
  • UPC 0 40232 66165 5
  • DSLD label 257815
  • Serving 3 capsules
  • 30 servings

N.o. Xt by Jacked Factory JF lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 1.5 g of L-citrulline, 500 mg of inositol-stabilized arginine silicate, 200 mg of L-glutathione and 5 mg of bioperine black pepper fruit extract. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2022.

What is in N.o. Xt?

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).

N.o. Xt: Supplement Facts rows against the market (DSLD label 257815, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Citrulline1.5 gCitrulline in N.O. XT against 1,209 products1.5 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.1.5 g

68% of 1,209 products listing citrulline give more (median 3 g).

Inositol-stabilized Arginine Silicate500 mg
L-Glutathione200 mgGlutathione in N.O. XT against 717 products200 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.200 mg

Higher than 73% of 717 products listing glutathione (median 50 mg).

Bioperine Black Pepper Fruit Extract5 mgBlack Pepper in N.O. XT against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 257815 (entered January 22, 2022), 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 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 N.o. Xt'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.

Directions
3 Capsules - 30-45 mins - Before Directions: As a dietary supplement, take 3 capsules with a glass of water 30-45 minutes before working out.
Warnings
Warning: Check with a qualified healthcare professional before taking this product.
Do not use if you are pregnant or nursing a baby, under 18 years of age, have any known or suspected medical conditions, and/or if you are taking any prescription or OTC medications.
Discontinue use and immediately consult your healthcare professional if you experience any adverse reaction to this product. Use only as directed. Do not exceed the recommended serving.
Keep out of reach of children.
Do not use if safety seal is broken or missing.
Allergens and what it does not contain
N.O. XT contains no under dosed ingredients, no proprietary blends and no fillers.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 257815.

What else is on the label?

Other ingredients: Hypromellose capsule, L-Leucine.

How many labels does N.o. Xt have?

One label is on file, entered on January 22, 2022.

  1. Label 257815 (current) Entered January 22, 2022 · on the market · 90 veggie capsules · UPC 0 40232 66165 5

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

Who makes it?

The label names Jacked Factory (distributor), St. John's, NL. All Jacked Factory JF products.

Where next?