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Home Nutrition enhancers L-Isoleucine
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L-Isoleucine, CAS#73-32-5, is commonly used in parenteral and enteral nutrition. It is used in combination with the other branched chain amino acids to improve the nutritional status of patients with hepatic diseases. BCAAs serve as important fuel sources for skeletal muscle during periods of metabolic stress; BCAAs may promote protein synthesis, suppress protein catabolism and serve as substrates for gluconeogenesis.

Fooding is a L-Isoleucine Manufacturers, Suppliers and Wholesalers in China. You can inquiry L-Isoleucine price by email us: or leave message on the Fooding web. Fooding ensure you can buy L-Isoleucine with a good price.

Discount Prices Available for Larger Orders.



  • CAS No:73-32-5
  • Einecs No:200-798-2
  • HS Code:29224985
  • Routine Packing:25 kg/bag
  • Place of origin:China
  • QC:Haccp, Kosher, Hala,Iso
  • Payment terms:T/T or L/C
  • Port of dispapch:Shanghai,Tianjin,Qingdao
  • Applications:L-isoleucine is the Best Muscle Building Amino Acids for Bodybuilding. It is important in the regulation of blood sugar, and also helps increase energy level. L-Isoleucine can be obtained through the foods you eat or supplements. Some of these foods include meat, fish, eggs, beans, nuts and seeds.
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  • Product Information

    Product Description
    Safety Ratings Key
    Gluten free
    Certificate of Analysis
    Item Specification Result
    Assay 99% 99.68%
    Appearance White Powder conforms
    Odor Characteristic conforms
    Taste Characteristic conforms
    Particle Size NLT 100% Through 80 mesh conforms
    Loss on Drying <2.0% 0.47%
    Heavy metals
    Total Heavy Metals ≤10ppm conforms
    Arsenic ≤3ppm conforms
    Lead ≤3ppm conforms
    Microbiological Tests
    Total Plate Count ≤1000cfu/g conforms
    Total Yeast & Mold ≤100cfu/g conforms
    E.Coli Negative Negative
    Salmonella Negative Negative


    About L-Isoleucine

    Isoleucine (abbreviated as Ile or I) is an α-amino acid with the chemical formula HO2CCH(NH2)CH(CH3)CH2CH3. It is an essential amino acid, which means that humans cannot synthesize it, so it must be ingested. Its codons are AUU, AUC and AUA. With a hydrocarbon side chain, isoleucine is classified as a hydrophobic amino acid. Together with threonine, isoleucine is one of two common amino acids that have a chiral side chain. Four stereoisomers of isoleucine are possible, including two possible diastereomers of L-isoleucine. However, isoleucine present in nature exists in one enantiomeric form, (2S,3S)-2-amino-3-methylpentanoic acid. L-isoleucine is one of the branched chain amino acids (L-isoleucine, L-valine, and L-leucine) and is classified as an essential amino acid. This means the body cannot manufacture L-isoleucine; it must be acquired through diet or supplementation. The male adult’s daily requirement is 10 mg per kg of body weight. Food sources for isoleucine include almonds, cashews and soy protein.

    References on L-Isoleucine

    [1]. Dong X, Zhao Y, Zhao J, Wang X. Characterization of aspartate kinase and homoserine dehydrogenase from Corynebacterium glutamicum IWJ001 and systematic investigation of L-isoleucine biosynthesis. J Ind Microbiol Biotechnol. 2016 Mar 31.

    [2]. Ma W, Wang J, Li Y, Hu X, Shi F, Wang X. Enhancing pentose phosphate pathway in Corynebacterium glutamicum to improve l-isoleucine production. Biotechnol Appl Biochem. 2015 Sep 3.

    [3]. Arrieta-Cruz I, Su Y, Gutiérrez-Juárez R. Suppression of Endogenous Glucose Production by Isoleucine and Valine and Impact of Diet Composition. Nutrients. 2016 Feb 15;8(2). pii: E79.

    [4]. Matheis K, Granvogl M, Schieberle P. Quantitation and Enantiomeric Ratios of Aroma Compounds Formed by an Ehrlich Degradation of l-Isoleucine in Fermented Foods. J Agric Food Chem. 2016 Jan 27;64(3):646-52.


    Support & FAQs

    1. What's your payment terms?

    T/T or LC.

    2. What's your delivery time?

    Usually we will arrange the shipment in 7 -15 days.

    3. How about the packing?

    Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

    4. How about the validity of the L-Isoleucine?

    According to the L-Isoleucine you ordered.

    5, What is the MOQ of L-Isoleucine ?

    Different products have different MOQ, for L-Isoleucine , the MOQ is 1000kg.

    6, What is the price of L-Isoleucine ?

    Fooding has been corporate with many L-Isoleucine manufacturers for several years, we can provide you with best price of L-Isoleucine.

    7, How long shall we wait for your reply?

    We can guarantee to reply your inquiries of L-Isoleucine in one working days.

    8. What documents you provide?

    Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.

    9. What is loading port?

    Usually is Shanghai or Qingdao.


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