L-Isoleucine®

Amino Acids & Protein

Brand: BulkSupplements.com

PowderAmino acid/ProteinOn Market
Click to view full label

Net Contents

1 Kilogram(s)

Serving Size

1000 mg

Servings Per Container

1000

Supplement Form

Powder

Bar Code (UPC/SKU)

X000J3NKOH

Product Version

001

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1000 mg · 1–2 per day

IngredientAmount Per Serving
L-Isoleucine1000 mg

Not Present

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take 1000 mg (about 1/3 tsp) once or twice daily, or as directed by a physician.

Warnings & Precautions

Precautions re: All Other

Always consult a physician before taking any dietary supplement.

Precautions re: Children

Keep out of reach of children.

Storage

Storage

Contents are sold by weight, not volume. Settling may occur. Store in a dry, cool place

Formulation

Formulation re: Does NOT Contain

Free of: Added sugar, soy, dairy, yeast, gluten, additives

FDA Statements

FDA Disclaimer Statement

Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

BulkSupplements.com Clean & pure bulk supplements

General Statements: All Other Content

Use an accurate milligram scale. New

Manufacturer & Distributor

Distributor

BulkSupplements.com

7511 Eastgate Rd, Henderson, NV, 89011, USA

Market Reference

$7.29 – $883.75· 18 listings
  • L-Isoleucine Powder

    BulkSupplements.com5.0(10)
    $33.97
  • L-Isoleucine BCAA Powder

    BulkSupplements.com5.0(9)
    $153.97
  • BulkSupplements L-Leucine Capsules

    BulkSupplements.com4.6(139)
    $19.97
  • L-Leucine Supplement Boost Athletic Performance Powder

    BulkSupplements.com4.6(163)
    $42.97
  • BulkSupplements BCAA 2:1:1 Powder

    BulkSupplements.com4.7(4500)
    $39.97
  • BulkSupplements Hydrolyzed Whey Protein Isolate Powder

    BulkSupplements.com4.6(105)
    $65.97
  • Hydrolyzed Whey Protein Isolate Powder

    BulkSupplements.com4.5(92)
    $315.97
  • BulkSupplements Organic Pea Protein Powder

    BulkSupplements.com4.6(906)
    $33.97

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • Kings Clinics

    5.0 (15)

    Vitamin & Supplements Shop

    413-415 High St, Chatham ME4 4NU

  • PHOENIX SUPPLEMENTS STORE

    5.0 (84)

    Vitamin & Supplements Shop

    2 Medway St, Maidstone ME14 1JS

  • Vitamin Shop

    5.0 (95)

    Vitamin & Supplements Shop

    2 Brewhouse Yard, Gravesend DA12 2EJ

  • body beautiful nutrition ltd

    4.7 (80)

    Vitamin & Supplements Shop

    162 Parrock St, Gravesend DA12 1ER

  • Holland & Barrett - Chatham Outlet

    3.2 (10)

    Vitamin & Supplements Shop

    Unit 56, Dockside Outlet Centre, Maritime Way, St Mary's Island, Chatham ME4 3ED

  • Nutra Direct

    3.9 (14)

    Vitamin & Supplements Shop

    Unit D, Medway Valley Park, Norman Cl, Rochester ME2 2JU

  • Vegan Supplement Store

    5.0 (9)

    Health food shop

    beta house, Laser Quay, Culpeper Cl, Rochester ME2 4HU

  • Holland & Barrett - Chatham

    4.6 (31)

    Vitamin & Supplements Shop

    Unit A, 203 High St, Chatham ME4 4BG

Research & Studies

  • Adding free leucine to a balanced essential amino acid mixture suppresses intracellular transamination of isoleucine and valine in healthy older adults

    SB Knezek, MPKJ Engelen, KS Coyle, CN Perez… - Clinical Nutrition, 2026 - Elsevier

    Background Adding leucine (LEU) to protein meals enhances protein anabolism, but excess LEU reduces valine (VAL) and isoleucine (ILE) plasma concentrations. We examined in …

    2026
  • Modified from a paper to be submitted to Crop Science

    I Mertz, N Christians, A Thoms - Evaluation of creeping …, 2019 - search.proquest.com

    … Nitrogen content by weight was as follows: L-leucine and L-isoleucine 10.7%, and L-valine 12% N. The commercially available AA complex GreenNCrease is a product of Ajinomoto …

    2019
  • The effects of arginine, guanidinoacetic acid and citrulline supplementation to reduced protein diets for aged laying hens

    A Nawab, TH Dao, S Sukirno, N Akter, E Kim… - Animals, 2026 - mdpi.com

    This study evaluated the effects of arginine (Arg), guanidinoacetic acid (GAA), and citrulline (Cit) supplementation in reduced protein (RP) diets on the production performance, serum …

    20261 citations
  • Nutrition of honeybees is constrained by the ratios of essential amino acids in pollen protein

    D Stabler, JA Chennells, EF Power, J Scott, G Perri… - Current Biology, 2026 - cell.com

    Bees and flowering plants have co-evolved as mutualists. In this relationship, bees facilitate genetic outcrossing for plants, and in return, they collect and eat floral nectar and pollen. …

    2026
  • Concentration and Production of Cryoprotective Additives from Agricultural Waste Streams and Abundant Protein Sources

    ML Fomich - 2024

    2024

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-05-23. DSLD Label ID: 312173. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.