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Non-nutrient/non-botanical · Supplement ingredient

Leucyl-L-Isoleucine

Leucyl-L-Isoleucine is listed on 12 U.S. supplement product labels in the NIH DSLD, #1,882 of 4,614 by label frequency.

12
Products
#1,882 of 4,614
By frequency
Verify with NIH DSLD → · FDA Daily Value reference →

How common is Leucyl-L-Isoleucine?

Number of supplement labels listing Leucyl-L-Isoleucine vs nearby non-nutrient/non-botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Leucyl-L-Isoleucine

Amino Rush BCAA 2:2:1 Fruit Punch
VPX
11 ingredients · Amino acid/Protein
On Market
Amino Rush BCAA 2:2:1 Wild Grape
VPX
11 ingredients · Amino acid/Protein
On Market
Amino Rush Exotic Fruit
VPX
17 ingredients · Amino acid/Protein
On Market
Amino Rush Strawberry
VPX
17 ingredients · Amino acid/Protein
On Market
CREmTOR Watermelon
VPX
13 ingredients · Amino acid/Protein
On Market
CREmTOR Watermelon
VPX
13 ingredients · Amino acid/Protein
On Market
CREmTOR Wild Grape
VPX
13 ingredients · Amino acid/Protein
On Market
Fast 5 Blue Razz
VPX
17 ingredients · Amino acid/Protein
On Market
Fast 5 Watermelon
VPX
17 ingredients · Amino acid/Protein
On Market
Amino Rush BCAA 2:2:1 Fruit Punch
VPX
11 ingredients · Amino acid/Protein
Off Market
Amino Rush BCAA 2:2:1 Wild Grape
VPX
11 ingredients · Amino acid/Protein
Off Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Leucyl-L-Isoleucine vs Magnesium →

Magnesium
27,686 products · Non-nutrient/non-botanical
Citric Acid
10,081 products · Non-nutrient/non-botanical
Sucralose
5,697 products · Non-nutrient/non-botanical
Alcohol
4,787 products · Non-nutrient/non-botanical
Acesulfame potassium
3,384 products · Non-nutrient/non-botanical

Frequently asked about Leucyl-L-Isoleucine

How many supplement products contain Leucyl-L-Isoleucine? ▼
12 supplement product labels in the NIH DSLD currently lists Leucyl-L-Isoleucine as an ingredient. By label frequency it ranks #1,882 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.