Optimum Nutrition BCAA Train + Sustain Product Review

Welcome to our product review of Optimum Nutrition Gold Standard BCAA Train + Sustain, a supplement designed to help you sustain the intensity of your workout and maintain a high level of performance.


  • 5g BCAA’s in 2:1:1 ratio
  • Magnesium and Vitamin C to reduce fatigue and tiredness
  • Unique formula that includes Wellmune and electolytes
  • Vitamin C supports immunity
  • Magnesium provides muscle support
  • Banned substance tested
  • Beautiful range of flavours


  • Apple & Pear
  • Raspberry & Pomegranate
  • Strawberry & Kiwi
  • Cola
  • Peach & Passionfruit

What Does Optimum Nutrition Gold Standard BCAA Train + Sustain Do?

BCAA Train + Sustain is designed to drink during your workout to help you sustain the intensity and level of performance, as well as reducing fatigue and tiredness to help you hit your next workout feeling fresh and ready to go.  Optimum Nutrition are renowned for producing quality supplement products that help build, grow and repair muscles and also pre-workout supplements to give you the energy going into a workout.

They have now created a unique product that keeps you fuelled and pumped up, meaning you can continue to work your muscles hard during workout.  This means you can sustain a workout for longer, add more reps and more sets, lift bigger and keep going, all contributing to better fitness and helping you reach and surpass your fitness and muscle building goals!

How Does It Help Your Immune System?

Optimum Nutrition Gold Standard BCAA Train + Sustain includes the ingredient Wellmune.  Wellmune is a natural ingredient in yeast beta and has been clinically proven to help strengthen the immune system.

It has been proven to protect against the harmful effects of stress, promotes healthy energy levels as well as improving mental clarity and boosts general immune system.  So this is perfect if you’re training hard, when your body is working hard to repair muscles it will use every nutrient available to help grow and repair which can leave you feeling fatigued and vulnerable to picking up illnesses.

BCAA Train + Sustain helps overcome this problem by including Wellmune as well as vitamin C, helping you stay healthy with renewed energy levels to hit your next workout!

What are BCAAs?

BCAAs stand for Branched Chain Amino Acid supplements and are the building blocks for protein as they help stimulate protein synthesis and not only do they increase the rate of protein synthesis but they also increase the cell’s capacity for protein synthesis.  One way the body satisfies its energy needs if you’re low on fuel is by turning to muscle as this burns more easily than fat.  So whether you have body fat or not, the chances are of your body is hungry and needs energy it will use your muscles as an energy source, leading to muscle loss.

BCAAs help prevent this muscle loss by increasing the rate of protein synthesis compared with the rate of protein breakdown, contributing to muscle gain.

Optimum Nutrition Gold Standard BCAA Train + Sustain has 5g of BCAAs per serving.


One thing we love about Optimum Nutrition products are the unique, interesting and tasty flavours that are available.  With them being such a successful fitness brand, they have the money to be able to invest in the best R & D resources to be able to develop the best tasting products.

If you’ve been training a while then you’ll be familiar with protein products that lack great taste, gone are those days!  With Gold Standard BCAA Train + Sustain you have a mouth watering choice of Apple & Pear, Raspberry & Pomegranate, Strawberry & Kiwi, Peach & Passionfruit, and even Cola!!

Banned Substance Testing

Optimum Nutrition have gone to great lengths to make this a quality product for athletes, but also to make sure it is suitable for athletes and professionals at the very highest level.  Optimum Nutrition Gold Standard BCAA Train + Sustain has been banned substance tested, to make sure it is suitable for use by professional athletes and bodybuilders competing at the highest level, which gives you reassurance that the product is not only safe to use, but also ethical.

You can rest assured that Gold Standard BCAA Train + Sustain has the ingredients that will help you perform at the highest level, but in a safe and legal way.


Optimum Nutrition Gold Standard BCAA Train + Sustain is a unique and quality product, the kind we have come to expect from Optimum Nutrition and their Gold Standard range. Basically, Gold Standard BCAA Train + Sustain helps you sustain an intense workout, feeding your muscles energy to help contribute to muscle growth at the same time preventing fatigue and tiredness by supporting your immune system, at the same time tasting amazing!