Brand

XTEND supplements

XTEND has 41 products in the NIH Dietary Supplement Label Database (64 labels), 41 of them on the market at its January 2026 release; its labels most often list isoleucine, leucine, potassium. It ranks 518 of 5,741 brands by products on file.

Products on file
4164 labels, sizes and designs counted
On the market
41100% of its products
Labels disclosing no amount
0products whose label gives no amount per ingredient
On file since
2020newest label February 23, 2025

What do XTEND labels contain?

The ingredients its products list most, with its median amount per serving against the median of every product listing the same ingredient.

XTEND: most listed ingredients against the market (DSLD version 9.4.0)
IngredientIts productsIts medianMarket median
Isoleucine35 1.75 g1.23 g
Leucine35 3.5 g2.5 g
Potassium35 190 mg99 mg
Valine35 1.75 g1.25 g
Vitamin B626 0.64 mg6 mg
Citrulline malate22 1 g3 g
Glutamine20 2.5 g1 g
Calcium8 227.5 mg115 mg
Caffeine8 125 mg200 mg
Beta-Alanine7 1.6 g2 g

Source: Supplement Facts rows of XTEND's current labels and of every product's, NIH ODS Dietary Supplement Label Database version 9.4.0.

Every XTEND product

On-market products first, A to Z (page 1 of 1).

Every product with what it contains: the full list.

What kinds of products does XTEND make?

XTEND products by DSLD product type

XTEND by product typeOther Combinations35Amino acid/Protein6
XTEND by product typeOther Combinations35Amino acid/Protein6
XTEND by product typeOther Combinations35Amino acid/Protein6
XTEND by product typeOther Combinations35Amino acid/Protein6
XTEND by product typeOther Combinations35Amino acid/Protein6

When did its products enter the database, and which are still sold?

XTEND products by the year their current label entered DSLD
YearOn the marketOff the market
2020230
202120
202210
2023140
202510

Source: NIH Dietary Supplement Label Database label entry dates and market events, version 9.4.0.

Who is behind it?

Its labels most often name Nutrabolt (distributor), Bryan, TX, on 36 products.

Seals its labels print: NSF certified (contents or GMP) (18), Informed Sport or Informed Choice (17), NSF Certified for Sport (1). A seal is the label's claim; the certifier's own list confirms it.

Where next?

How to read a brand's figures, and what labels cannot tell you about a brand: comparing supplement brands by their labels. Label data, not medical advice.