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Amino acids are the ‘building blocks’ of protein that are integral to muscle development.

Amino acids are the ‘building blocks’ of protein that are integral to muscle development. Supplementing them helps to maintain your ‘amino acid pool’ (or stored aminos) throughout the day, alongside protein shakes and your regular meals. The branched-chain amino acids (BCAAs) leucine, isoleucine and valine are central to muscle protein synthesis, which is why they’re of high importance to any training routine.

Forming part of the essential aminos, the term ‘branched-chain’ refers to their unique chemical structure. Since our bodies cannot make BCAAs, we need to obtain them from food and supplements. In particular, leucine is said to dominate muscle growth, thus it will often feature in protein shakes to provide further nutritional support.

The function of BCAAs is to help increase both the rate and capacity of muscle protein synthesis. BCAAs also work to reduce muscle breakdown (catabolism), and so they’re ideal for use with ‘fasted’ training – i.e. first thing. They can also help to fight fatigue and improve stamina; it’s believed they do this by dominating entry to the brain over tryptophan – the precursor amino to serotonin. Being a neurotransmitter that controls mood, sleep patterns and much more, serotonin can cause a dip in energy levels at unwanted times of the day.

It’s been argued that taking BCAAs separately is not necessary, owing to naturally occurring BCAAs in protein foods, whey, and so forth. Whilst intake of such is not to be overlooked, it’s important to note that that the BCAAs present in proteins are bound between peptide bonds and other aminos; uptake will be delayed somewhat by the process of digestion.

BCAA supplements contain free-form leucine, isoleucine and valine, which have an ultra-rapid absorption rate and potency. You’re likely to get the most benefit if you take them just prior to, during and after exercise. With this in mind, many BCAA products are available as a powder which you simply mix with water to create a delicious and refreshing beverage. Factoring these into your routine introduces a degree of ‘damage control’, and helps to achieve an anabolic (muscle-building) state. Alternatively, you can get them in capsule of liquid form.



BCAA 9.7 - Buy One Get One Free

Mutant BCAA 9.7 - Buy One Get One Free


348g - 30 Servings
  (3) 5.0
£23.03
£33.99 | Save: £10.96
BCAAs - Buy One Get One Free

Reflex Nutrition BCAAs - Buy One Get One Free


200 Caps - 33 Servings
  (2) 5.0
£15.34
£23.99 | Save: £8.65
Gold Standard BCAA

Optimum Nutrition Gold Standard BCAA


266g Tub - 28 Servings
£23.03
£34.99 | Save: £11.96
BCAA Power Punch - FREE USN Water Jug 2.2 litre

USN BCAA Power Punch - FREE USN Water Jug 2.2 litre


400g - 30 Servings
£24.96
£43.99 | Save: £19.03
BCAA 1000

Optimum Nutrition BCAA 1000


200 Caps - 100 Servings
£19.18
£27.99 | Save: £8.81
BCAA 5000 Powder

Optimum Nutrition BCAA 5000 Powder


345g - 60 Servings
  (4) 4.5
£28.80
£39.99 | Save: £11.19
BCAA Amino Gro

USN BCAA Amino Gro


300g Tub - 35 Servings
  (1) 5.0
£23.03
£40.99 | Save: £17.96
BCAA Intra Hardcore

Sci MX BCAA Intra Hardcore


480g - 32 Servings
£17.26
£33.32 | Save: £16.06
BCAA 8:1:1

Grenade BCAA 8:1:1


150 Caps - 30 Servings
£17.27
£29.99 | Save: £12.72
Defend BCAA

Grenade Defend BCAA


390g Tub
  (1) 4.0
£28.80
£39.99 | Save: £11.19
Xtra BCAA

XL Nutrition Xtra BCAA


500g - 56 Servings
  (2) 5.0
£17.26
£51.99 | Save: £34.73
Pro BCAA Burst - FREE CNP BCAA Burst 188g

CNP Professional Pro BCAA Burst - FREE CNP BCAA Burst 188g


750g Tub - 60 Servings
£23.99
£39.99 | Save: £16.00
DNA BCAA

BSN DNA BCAA


200g Tub - 35 Servings
£16.31
£19.99 | Save: £3.68
All Day You May

5% Nutrition All Day You May


465g Tub
£31.66
£50.99 | Save: £19.33
BCAA Nanostack

Sci MX BCAA Nanostack


120 Caps - 40 Servings
£11.51
£24.99 | Save: £13.48
BCAAs

Reflex Nutrition BCAAs


500 Caps - 83 Servings
  (8) 5.0
£26.88
£44.99 | Save: £18.11
BCAA Energy

MusclePharm BCAA Energy


215g Tub
£19.18
£52.49 | Save: £33.31
BCAA Syntho Amino Stack

USN BCAA Syntho Amino Stack


240 Caps - 80 Servings
£23.03
£38.99 | Save: £15.96
BCAA 1000

Optimum Nutrition BCAA 1000


400 Caps - 200 Servings
£33.59
£49.99 | Save: £16.40
Platinum BCAA

Muscletech Platinum BCAA


200 Caps - 200 Servings
£17.27
£27.99 | Save: £10.72
BCAA Xtra - Buy One Get One Free

Efectiv Nutrition BCAA Xtra - Buy One Get One Free


180 Tabs - 60 Servings
£27.82
£29.99 | Save: £2.17
BCAA+ - Buy One Get One Free

Adapt Nutrition BCAA+ - Buy One Get One Free


120 Caps - 20 Servings
£13.43
£21.99 | Save: £8.56
Xtra BCAA

XL Nutrition Xtra BCAA


250g - 28 Servings
  (1) 5.0
£9.58
£28.99 | Save: £19.41
BCAA Syntho Amino Stack

USN BCAA Syntho Amino Stack


120 Caps - 40 Servings
£14.39
£21.99 | Save: £7.60
Acid BCAA + Glutamine

TF7 Labs Acid BCAA + Glutamine


£23.99
£29.98 | Save: £5.99
BCAAs

PhD Nutrition BCAAs


195 Caps - 13 Servings
  (2) 3.0
£14.39
£22.99 | Save: £8.60
BCAA

Mutant BCAA


200 Caps - 50 Servings
£19.18
£22.99 | Save: £3.81
BCAA

Mutant BCAA


400 Caps - 100 Servings
£28.78
£39.99 | Save: £11.21
BCAA

Medi Evil BCAA


300g Tub
£15.34
£29.99 | Save: £14.65
Branch Chain Amino Acids

Health Aid Branch Chain Amino Acids


60 Tabs - 60 Servings
£11.51
£11.99 | Save: £0.48
BCAA 6000

Gaspari Nutrition BCAA 6000


180 Tabs - 30 Servings
£21.11
£32.99 | Save: £11.88
BCA 3:1:1

Extreme Nutrition BCA 3:1:1


240 Caps - 80 Servings
  (1) 5.0
£17.26
£29.95 | Save: £12.69
Pro BCAA Burst

CNP Professional Pro BCAA Burst


188g Tub - 15 Servings
£9.59
£13.00 | Save: £3.41
Pro BCAA

CNP Professional Pro BCAA


180 Tabs - 60 Servings
  (2) 3.0
£19.18
£19.99 | Save: £0.81
BCAA

Cellucor BCAA


270g Tub
£26.88
£45.99 | Save: £19.11
Best BCAA

BPI Best BCAA


120 Tabs - 30 Servings
£26.88
£47.99 | Save: £21.11
Hydro BCAA

Pro Supps Hydro BCAA


400g Tub
£21.11
£33.99 | Save: £12.88
Currently out of stock
Pro BCAA

Optimum Nutrition Pro BCAA


390g Tub - 20 Servings
£26.88
£39.99 | Save: £13.11
Currently out of stock
BCAA Sensation

Dedicated Nutrition BCAA Sensation


£18.23
£36.00 | Save: £17.77
Currently out of stock
BCAA 2.1.1

Bio Synergy BCAA 2.1.1


120 Caps - 20 Servings
£9.58
£21.99 | Save: £12.41
Currently out of stock
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