vitamins vegan weight loss
Free Delivery
on orders over £49*
Largest Range
1200+ products
Leucine, Isoleucine and Valine in a 2:1:1 ratio
100% Pure Branched Chain Amino Acids
Ideal to drink pre, during and post-workout

Branched Chain Amino Acids

An easy way to up your intake of essential BCAAs, providing a 2:1:1 ratio of pure leucine, isoleucine and valine in a single 5g serving. Ideal for mixing into your favourite pre-, intra- or post-workout blend.

BCAAs are a specific form of essential amino acid that comprise about ⅓ of the protein in our muscles, and can only be obtained from the diet, making them essential to any intensive training regime. Our Branched Chain Amino Acid (BCAA) powder helps you to load up on 3 essential BCAAs in an easy, mixable powder.

Each 5g serving of our Branched Chain Amino Acid (BCAA) powder provides you with 2.5g of leucine, 1.25g of isoleucine and 1.25g of valine. That’s an ideal 2:1:1 ratio, so you can be sure you’ve got a steady supply of BCAAs throughout your workout regime.

Disclaimer: Implied results may vary. Individuals will respond differently. Implied results assume an appropriate nutrition and training plan.

The Purpose

Our Branched Chain Amino Acid (BCAA) powder is ideal for anyone looking to maintain their BCAA intake on a daily basis. It’s especially ideal for those on a vegetarian diet as some BCAAs are difficult to obtain from non-animal food products, or for expert athletes who want to incorporate BCAA powder into their personal workout blends.


Mix 2 scoop (approximately 5g BCAA) with 100ml water in a bulk™ Shaker Bottle. Consume pre/during training or, alternatively, sip multiple servings throughout the day. Consume 1-5 servings per day.

Related Products

During exercise it is common to consume Branch Chain Amino Acids combined with a fast-release carbohydrate such as Dextrose or Maltodextrin. BCAA also stack well with Glutamine.


(Measurements per 5g serving)

  • Leucine: 2.5g
  • Isoleucine: 1.25g
  • Valine: 1.25g


  • Combined ActionContains an impressive blend of BCAAs to provide the best nutrition possible.
  • Morning, Noon or NightGreat any time of day, whatever your workout regime.
  • Made for MixingIdeal for mixing with your favourite shakes.


Leucine (50%), Isoleucine (25%), Valine (25%).

Nutrition Information

Nutrition per 100g per 5g Serving
Leucine 50g 2.5g
Isoleucine 25g 1.25g
Valine 25g 1.25g

Suitable For

Vegetarian, Non-GM, Gluten Free, Dairy Free, Lactose Free, Soya Free.



Forest river

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.

Branched Chain Amino Acids

As low as £8.99
In stock
As low as £8.99
vegetarian gluten free ...
  • Free delivery on orders over £49
  • Order by 9pm to get next day delivery

Customer Reviews

Customer Reviews Subtitle


Share your journey on Instagram @bulk

Stay in Touch

Fancy discounts and fitness tips delivered straight to your inbox? You know what to do.