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Amino Acids

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Amino acids are commonly described as the building blocks of protein, which is important as protein contributes to the growth and maintenance of muscle mass.

There are 21 amino acids in total, and these can be split into two categories: essential and non-essential amino acids.

Essential Amino Acids

Essential amino acids can’t be produced by your body and therefore must come from your
diet. Nine of the 21 amino acids are classed as essential, these are leucine, isoleucine, valine, lysine, methionine, phenylalanine, threonine, tryptophan, and histidine.

You may recognise the first three on the list – valine, isoleucine, and valine – as they’re the three amino acids that are found in the super-popular branched-chain amino acids, or BCAAs as they’re more widely known.

As the body is unable to store amino acids, a regular daily supply of these vital building blocks is needed.

Non-Essential Amino Acids

Non-essential amino acids on the other hand can be made by the body, so it’s not essential that we consume these in our diets.

The 12 non-essential amino acids consist of aspartic acid, alanine, arginine, asparagine, cysteine, glutamic acid, glutamine, glycine, proline, selenocysteine, serine, and tyrosine.

What are the benefits of amino acids?

Twenty percent of the human body is made up of protein. Protein plays a crucial role in almost all biological processes and amino acids are the building blocks of it. They make up the structure of new muscle tissue, and this is crucial for any fitness goal, whatever your aim.

Ensuring your body gets the correct amounts of both essential and non-essential amino acids will keep you healthy, making sure you're in the best possible condition to achieve your goals.

Dietary Sources of Amino Acids

All proteins are made of these building blocks we call amino acids, but not all dietary protein sources contain all the amino acids we need.

You may have heard certain types of protein being referred to as a complete protein, as they contain all essential amino acids in sufficient quantities. They’re typically animal-based protein sources such as meat, fish, dairy, and eggs – with only a limited number of plant-based sources considered complete like quinoa, buckwheat, hemp, and spirulina.

We’ve got a range jam-packed with the purest amino acids around. From the ever-popular BCAAs, EAAs, and glutamine, to individual powders, tablets, and capsules. Our high-quality amino acids fit perfectly into any diet – so you can find out what’s right for you.

Why not take a look at some of our best amino acids?

Our BCAA is your essential amino acid supplement, containing an optimal 2:1:1 ratio of leucine, isoleucine, and valine.

Ranked Grade A by independent tester Labdoor for both quality and value, our BCAA is officially certified as one of the best branched-chain amino acid supplements on the market.

BCAA 4:1:1 offers added leucine for those hoping to reap the benefits of this specific essential amino acid – proving a popular choice throughout the fitness community.

If you’re a vegan or vegetarian, we’ve also got you covered with our Vegan BCAA and Vegan BCAA 4:1:1. Providing the same great amino acid benefits, but sourced from plant-based ingredients – making them perfect for vegetarian and vegan diets.

We’ve also got two amino acids supplements made from 100% pure instantised branched-chain amino acids, delivering superior quality and easy mixing. Our iBCAA and iBCAA 4:1:1 are extremely popular to their amazing mixability.

And, if you’d rather take tablets, then you need to check out our BCAA Plus™. Containing the same optimal 2:1:1 ratio of the essential amino acids leucine, isoleucine, and valine, we’ve added vitamin B6 which contributes to the normal functioning of the immune system and helps reduce tiredness and fatigue.

If you’re still not sure what you need to pick up, why not take a look at our full breakdown of the best amino acids?

Check out other popular categories:

Protein Shakes | Whey Protein | Weight Loss Supplements | Vitamins & Minerals

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  • Gluten Free
  • Vegetarian
  • Vegan
  • Combination of citrulline and malate
  • Ideal for high-intensity exercise
from
£17.49

L Glutamine

Super-popular amino acid

  • Vegetarian
  • Vegan
  • Popular amino acid
  • Perfect all exercise and sports
  • Convenient on-the-go tablet
from
£12.99

Mypre™ 2.0 (Sample)

Our most-explosive pre-workout just got better

  • Vegetarian
  • Gluten Free
  • Our most-explosive pre-workout ever
  • With creatine for improved physical performance*
  • 175mg caffeine for increased alertness and improve concentration
  • Added TeaCrine®, AstraGin®, BioPerine® and Capsimax®
from
£1.49

Taurine

Amino Acid

  • Gluten Free
  • Vegetarian
  • 100% Taurine
  • Convenient way to increase Taurine intake
  • Naturally occurring amino acid
from
£7.49

Liquid L-Carnitine Capsules

Carnitine Licaps

  • Vegetarian
  • Novel liquid delivery method
  • 1g of L-carnitine per serving
  • Convenient source of L-carnitine
from
£11.49

Beta Alanine

Enhance Muscular Endurance

  • Gluten Free
  • Vegetarian
  • Vegan
  • Ideal for sports which use explosive movements
from
£12.99

L-Glutamine

Available in 10 tantalising flavours

  • Gluten Free
  • Vegetarian
  • Vegan
  • Extremely popular amongst a range of athletes
  • Available in 10 refreshing flavours
from
£5.99

BCAA 1500

Goes well with a workout!

  • Vegetarian
  • Vegan
  • 1500mg of BCAA per serving
  • Contains L-leucine, L-isoleucine and L-valine
  • Added vitamin B6 
from
£18.99

Mypre™

Our explosive pre-workout

  • Gluten Free
  • Explosive pre-workout
  • With creatine for improved physical performance*
  • 400mg caffeine for increased alertness and improve concentration
  • 4g BCAAs
from
£24.99

Beta Alanine

Naturally occurring beta-amino acid

  • Vegan
  • Vegetarian
  • Non-essential amino acid
  • Only naturally occurring beta-amino acid
from
£12.49

BCAA

Ranked Grade A by Labdoor

  • Gluten Free
  • Grade A Labdoor ranking
  • 2:1:1 ratio of leucine, isoleucine, and valine
  • Three essential branch-chain amino acids
  • Perfect for all sports and workouts
from
£16.99

Active Women BCAA (Sample)

Vegan amino blend to get your recovery right

  • Vegetarian
  • Vegan
  • 2:1:1 ratio of leucine, isoleucine and valine
  • Helps maximise recovery
  • With coconut water powder, grape seed extract, and L-glutamine
  • Essential for all fitness goals
from
£1.49

Pulse:Gel

Pre-Workout Gel

  • Gluten Free
  • Vegetarian
  • Vegan
  • Convenient pre-workout supplement
  • Contains 200mg caffeine per serving
  • Two great tasting flavours
from
£13.49

BCAA 4:1:1

With three popular essential amino acids

  • Gluten Free
  • 4:1:1 ratio of leucine, isoleucine, and valine
  • Available in fruity flavours
  • Perfect for all sports and workouts
from
£20.99
  • Gluten Free
  • Vegetarian
  • Vegan
  • Naturally occuring amino acid
  • 100% L Theanine
  • Recommend 200mg daily
from
£17.49

L Carnitine Shot

60ml Shot

  • Gluten Free
  • Over 3.5g of carnitine per shot
  • Added Beta Alanine and Choline
  • 60ml easy-to-consume shot
from
£2.99

HMB

Beta-hydroxy beta-methylbutyrate

  • Gluten Free
  • Vegetarian
  • Vegan
  • 100% HMB
  • Metabolite of leucine
from
£12.99

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