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100% Pure Leucine Powder
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100% Pure L Leucine powder
Essential Amino Acid
One of the Branched Chain Amino Acids


100% pure leucine powder, an easy way to integrate this essential branched chain amino acid into your pre-, intra- and post-workout formulas for optimal nutrition, any time of day.

Leucine is an essential amino acid and one of 3 branched chain amino acids (BCAAs), commonly found in high protein foods such as red meat and dairy products. Our pure leucine powder is a great way to integrate extra leucine into your dietary intake, either mixed with your favourite formulas, or as part of your own DIY blend.

Along with isoleucine and valine, leucine is one of the 3 BCAAs that are essential nutrition for any regular athlete and trainer. We offer it in this pure, mixable formula so you can mix it in with your favourite training formulas, whether pre-, intra- or post-workout, and ensure you’re getting sustained BCAAs throughout every session.

The Purpose

As an essential amino acid and BCAA, leucine is an excellent supplement for anyone who exercises regularly, whatever their sport or pastime. It’s a great ingredient in workout formulas of all forms, whether pre-, intra- or post-workout, and we recommend using it in combination with other BCAAs, beta alanine, fast release carbohydrates such as Vitargo®, glutamine, creatine, and a high quality protein source.


  • Made for Mixing
    Available unflavoured so you can mix it in with your favourite shakes.
  • Do It Yourself
    Use it as an ingredient in your personal workout formulas.
  • Incredible Value
    99.9% purity at an incredible price.
  • Morning, Noon or Night
    Great any time of day, whatever your workout regime.


Mix 1.5 scoops (approximately 3g) with 50ml water in a Bulk™ Shaker Bottle, 1-3 times daily.

Leucine is best taken approximately 30-45 minutes before exercise. It also makes an excellent addition to a post-workout drink.

Related Products

L Leucine is one of the 3 components of BCAA. Leucine can be added to Instant BCAA to increase Leucine content, or combined with other amino acids such as Glutamine. Post-workout Leucine should ideally be used in conjunction with a fast-acting carbohydrate source such as Waxy Maize Starch or Vitargo.

Looking for more? See our range of essential amino acids.


Nutrition per 100g Per 3g Serving
L-Leucine 100g 3g


L - Leucine.


May contain milk, eggs, soya, cereals containing gluten, fish, crustaceans, molluscs, mustard, sesame, sulphur dioxide and sulphites.


Store in a cool dry place.

Advisory information

Food supplements are not intended to replace a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended usage. Keep out of reach of children.

Although every care has been taken to keep product information up to date on our website, please always read the information provided on product label or packaging before use.

The actual results of consuming dietary supplements may differ from those implied. Individuals may respond differently, and the suggested results presume appropriate nutrition and training plan.

Our Planet

Over 87% of our pouches are fully home compostable, using a triple-layer of natural cellulose, biodegradable film and FSC-certified paper. Click here to learn more about the Our Planet project.

This year alone we've made some big changes:

  • Over 90%
    of all our packaging materials have transitioned to sustainable alternatives.
  • 12 million
    pieces of single-use plastic removed from our packaging.
  • Over 1 million
    boxes replaced with FSC certified cardboard.
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