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Fermented Leucine



L-Leucine is one of the essential amino acids powerful for protein synthesis and muscle building in the human body. It can be used to preserve lean muscle mass. Fermented L-Leucine is sourced from vegetarian origin, processed by fermentation, making the product vegan.

Available in a pot of 500 g (100 servings).


  • Fermented, ultra-soluble L-Leucine
  • Free form amino acid
  • Stimulate protein synthesis
  • Help preserve lean muscle mass
  • Suitable for vegans


  • New scientific studies show that Leucine is a powerful nutritional activator of muscle protein synthesis*. It activates the anabolic pathway for building muscle. These new findings confirm that within the context of a mixed macronutrient intake, suboptimal protein doses can be made more effective in stimulating myofibrillar protein synthesis, through the addition of a high proportion of free Leucine.

    This branched chained amino acid is essential for achieving a positive nitrogen balance in building lean muscle mass. Leucine is described as the trigger of muscle protein synthesis.

    *Muscle protein synthesis (MPS) is the rebuilding of muscle tissue and it occurs as a result of the stresses that we place on our body, whether it is to repair injury (such as a muscle tear) or because we intentionally try to damage it (microtrauma from training).

  • Leucine (Fermented).

  • Typical values /100 g /5 g
    (Fermented / Free form Amino Acid)
    100 g 5 g

    Allergen information

    Allergen-free, but manufactured in a facility that processes milk, soy, shellfish, egg, tree nuts and wheat.

    Food supplements cannot replace a varied and balanced diet and a healthy lifestyle. Do not exceed the daily recommended amount. Keep out of the reach of children. Store in a cool, dry place. Always keep tightly sealed.

  • Fermented leucine is usually taken with a low-protein meal. Fermented Leucine can be taken at any time of the day. As a dietary supplement, take 5 g four times daily with meals.

    Taking Fermented Leucine during training: Leucine can be used as a source of energy for the muscles, but more importantly it slows down the speed of protein breakdown in skeletal muscle tissue. It has also been shown that Leucine reduces the delayed muscle pain after an intensive workout.
    Taking Fermented Leucine after training: mix another 5 grams of Leucine in your post-workout protein shake. The combination of carbohydrates, protein and Leucine has been seen as the biggest increase in muscle protein synthesis.
    Taking Fermented Leucine before bedtime: 5 grams of Leucine before bedtime helps stimulate musclebuilding hormone production and accelerate muscle recovery during sleep, when the body recovers muscle tissue damaged by intense weight training.
    Taking Fermented Leucine between meals: Extra Leucine can be taken with or between meals to promote faster recovery and increased protein synthesis. Add Leucine to a low carbohydrate diet to prevent muscle breakdown and maintain high energy levels. For this, 1.2 to 2.5 grams of leucine should be used.