If you’re looking for an advantage to help you build towards your muscle growth goals, don’t ignore the benefit of amino acid supplements, more specifically, BCAA supplements and EAA supplements. At FIT Nutrition, we offer a comprehensive range of the best BCAA supplements and EAA supplements to support your goals.


When it comes to branched-chain amino acids and essential amino acids, a few brands stand out above the rest. Evolve, EHP Labs and Optimum Nutrition are all responsible for some of the most effective amino acid supplements on the market. Among the best essential amino acid supplements, you will find Muscle Tech Platinum EAA+, which delivers a blend of EAAs and electrolytes to support hydration, performance, and muscle protein synthesis. Red Dragon Fuel EAA delivers a matrix of EAAs, BCAAs, and electrolytes to aid your muscle growth and repair goals. Optimum Nutrition BCAA Boost delivers an 8g dose of branched-chain amino acids, along with electrolytes to support muscle recovery and hydration.

As a leading supplement retailer online and in Bondi, Australia, FIT Nutrition can help you find what you need. If you want more help finding the best BCAA and EAA health supplements in Australia to support your muscle growth and repair goals, the team at FIT Nutrition can help. Just head in-store or chat with us online to get started.

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BCAA Supplement FAQs

What are BCAA supplements?

Branched-chain amino acids (BCAAs) refer to a group of 3 essential amino acids that cannot be produced by your body alone. They are the only three amino acids to have a chain that branches off to one side, and it is essential that you get them from your diet.

The 3 BCAAs are Leucine, Isoleucine and Valine (Petre, A. 2021).

What are the ingredients in BCAA supplements?

The 3 BCAAs are Leucine, Isoleucine and Valine. They are primarily found in food sources like meat, poultry, fish, beans and lentils, dairy items, eggs, nuts and seeds (Petre, A. 2021).

What are the benefits of BCAA supplements?

Supplementing with BCAAs offers a range of benefits, with one of the most popular attributes being its ability to increase muscle growth. BCAAs can help to decrease muscle soreness after training, reduce exercise fatigue during sessions, and can prevent muscle breakdown (Van De Walle, G. 2022).

How do BCAA supplements help with muscle growth?

Leucine activates specific pathways within the body that stimulates muscle protein synthesis, which refers to the process of making muscle. BCAAs can help you build muscle, but your muscles also need all of the essential amino acids for the best results (Van De Walle, G. 2022).

How do BCAA supplements help with exercise performance?

BCAAs can support your exercise performance by helping to reduce your physical and mental fatigue while you train. BCAAs can enhance metabolism, promote cell proliferation and improve exercise performance (Dong-Hee, K et al. 2013).

How do BCAA supplements help with recovery from exercise?

BCAAs support muscle recovery by decreasing muscle soreness after training. They can reduce muscle damage and may reduce the length and severity of DOMS. BCAAs can also prevent muscle breakdown and may reduce fatigue during training (Van De Walle, G. 2022).

What are the side effects of BCAA supplements?

BCAAs should be safe when consumed in doses of up to 12 grams daily for up to 2 years. Potential side effects might include fatigue or coordination issues. They may also cause stomach problems like nausea, diarrhea, and bloating (WebMD).

Who should take BCAA supplements?

If you experience fatigue while you’re training and want to boost your exercise performance and muscle growth, BCAA supplements may help you improve your results. To decrease muscle soreness and muscle breakdown and to promote muscle growth, adding BCAAs to your stack can is another way to improve your results.

Who should not take BCAA supplements?

While BCAA supplements are typically safe, there are situations where taking BCAA may not be appropriate. To stay on the safe side, if you are pregnant or breastfeeding, you should avoid consuming BCAA supplements. Children should avoid supplementing with BCAAs.

BCAAs may also affect people with diabetes, branched-chain ketoaciduria, and amyotrophic lateral sclerosis (ALS) may want to take caution when consuming BCAAs (WebMD).

When should BCAA supplements be taken?

BCAAs are versatile supplements that can be taken before, during, and after training.

What is the recommended dosage of BCAA supplements?

The recommended dosage of all 3 BCAAs combined is up to 20 grams. This is with a balanced ratio of Leucine and Isoleucine (Frank, K et al. 2022).

How often should I take BCAA supplements?

The best time to take BCAAs is before, during, or after your workout. If you are trying to build muscle, you can take them in the morning and before bed. You should follow the instructions on the nutritional panel and follow the listed dosage (Petre, A. 2021).

What are the best BCAA supplements?

If you’re looking for an effective BCAA formula, BCAA Boostby Optimum Nutrition is a refreshing formula that contains 8g of BCAAs, alongside electrolytes and 1g of L-Citrulline. This formula contains zero calories and can contribute to the growth and maintenance of muscle mass.