L-leucine is an essential amino acid. A human body acquires it through diet or supplementation. The guideline for a male adult is about 14 mg per kg of body weight. Foods like meat, selected nuts, eggs, fish, chicken and lentils are sources of L-Leucine. L-Leucine is good for muscle and metabolic stress. Products containing L-Leucine are sports nutritions and health foods, because of energy and endurance enhancement. It can also be used for an muscle recovery aid.

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Product specifications

  • Appearance: White Crystalline Powder
  • Country of Origin: China
  • Assay: > 98,5%
  • Specific Rotation: + 14,9° –  + 17,3°
  • Residue on Ignition: < 0,4%
  • Loss on Drying: < 0,20%
  • pH: 5,5 – 7,0

Chemical Composition Analysis

  • Chloride: < 0,05%
  • Sulphate: < 0,03%
  • Heavy Metals: < 15 ppm
  • Iron (Fe): < 0,003%
  • Total Plate Count: < 1000 CFU per gr
  • Yeast and Moulds: < 100 CFU per gr
  • E. Coli: Negative
  • Salmonella: Negative
  • Staphylococcus Aureus: Negative 

Packaging specifications

  • Packaging: Cardboard drum containing double plastic bags and one aluminium foil bag. Well-closed away from moisture.
  • Net weight per drum: 25 kg
  • Storage: Store in a cool & dry area, keep away from the direct light and heat.
  • Shelf Life: Two years under well storage situation and stored away from direct sun light.


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