BCAA/Amino

  • Mutant GEAAR BCAA + EAA 30 Serve

    Mutant GEAAR BCAA + EAA 30 Serve

    NZ $54.95     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Daily Deal-USN Bluelab Whey and Amino Stim and USN CLA

    Daily Deal-USN Bluelab Whey and Amino Stim and USN CLA

    Original price was: NZ $183.00.Current price is: NZ $139.00.     Read more
  • Sale! OPTIMUM NUTRITION AMINO ENERGY

    Optimum Nutrition Amino Energy

    Original price was: NZ $49.95.Current price is: NZ $47.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • amino energy fruit punch, usn amino stim, amini stim, pro builder

    USN Amino Stim EAAs + Energy

    NZ $48.90     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Optimum Nutrition Amino Energy + Electrolytes RTD Carbonated Half & Full Case

    Optimum Nutrition Amino Energy + Electrolytes RTD Carbonated Half & Full Case

    Original price was: NZ $36.00.Current price is: NZ $30.00.     Read more
  • Sale! USN BCAA Amino+

    USN BCAA Amino+

    Original price was: NZ $54.00.Current price is: NZ $45.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • USN Pure Glutamine: Micronized

    USN Pure Glutamine: Micronized

    NZ $32.90     Select options This product has multiple variants. The options may be chosen on the product page
  • USN Nutrition BCAA Amino+

    USN Nutrition BCAA Amino+

    NZ $44.80     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! RSP BCAA 5000

    RSP BCAA 5000

    Original price was: NZ $50.00.Current price is: NZ $36.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • BSN AMINOX

    Bsn Amino-X

    NZ $48.00     Select options This product has multiple variants. The options may be chosen on the product page
  • OPTIMUM NUTRITION AMINO ENERGY

    Optimum Nutrition Amino Energy

    NZ $48.00     Select options This product has multiple variants. The options may be chosen on the product page
  • SCIVATION XTEND BCAA

    SCIVATION XTEND BCAA

    Price range: NZ $49.90 through NZ $108.00     Select options This product has multiple variants. The options may be chosen on the product page

Why Amino Acids Matter for Recovery

During resistance or endurance training, muscle fibres undergo controlled stress and micro-damage. Recovery depends on adequate availability of essential amino acids to support repair and adaptation.

Current sports nutrition research indicates:

  • Leucine plays a key role in activating mTOR signalling, a pathway involved in muscle protein synthesis.

  • Essential amino acids are required to fully support the rebuilding process.

  • Amino availability may help reduce markers of exercise-induced muscle damage when consumed consistently around training.

For athletes training multiple times per week — or in a calorie deficit — amino acid supplementation can help support recovery between sessions.

BCAA vs EAA – Which Is Better?

BCAAs (Branched-Chain Amino Acids)

Contain leucine, isoleucine, and valine.

Best suited for:

  • Intra-workout muscle support

  • Fasted training sessions

  • Cutting phases

  • Reducing muscle breakdown during long sessions

BCAAs are commonly used during training to help maintain amino availability.

EAAs (Essential Amino Acids)

Contain all nine essential amino acids the body cannot produce on its own.

Best suited for:

  • Complete post-workout recovery

  • Supporting strength and hypertrophy

  • Individuals with lower total protein intake

  • Maximising muscle protein synthesis response

If total dietary protein is adequate, EAAs generally provide broader recovery support compared to BCAAs alone. For complete strength and recovery support, many athletes stack amino acids with creatine supplements to complement resistance training goals.

Who Should Consider Amino Acid Supplements?

Amino recovery formulas may benefit:

  • Strength and hypertrophy athletes

  • CrossFit and high-intensity functional training participants

  • Endurance athletes

  • Athletes training in a calorie deficit

  • Individuals training 4+ times per week

  • Those looking to support recovery between sessions

If recovery speed impacts your performance progression, amino supplementation can be a strategic addition to a structured nutrition plan. If your daily protein intake is low, consider combining amino acids with high-quality whey protein supplements to support complete recovery.

Why Buy Amino Supplements from ProBuilder NZ?

We focus on performance integrity, not hype.

Our selection prioritizes:

  • Reputable global sports nutrition brands

  • Transparent ingredient labelling

  • Clinically relevant dosages

  • No exaggerated or unsupported claims

  • NZ-wide fast shipping

  • Ongoing category curation based on evolving research

We select products aligned with evidence-based sports nutrition principles and practical athlete feedback — not marketing trends.

Quality & Safety Commitment

At ProBuilder NZ:

  • We stock products manufactured under recognised quality control standards (such as GMP-compliant facilities where applicable).

  • We prioritise clearly labelled ingredient profiles.

  • We avoid unsupported medical or therapeutic claims.

  • We encourage responsible supplement use alongside a balanced, protein-adequate diet.

Amino acid supplements are generally well tolerated when used as directed. Individuals who are pregnant, nursing, under medical supervision, or managing health conditions should consult a qualified healthcare professional before use.

Supplements should complement — not replace — whole food nutrition.

Frequently Asked Questions

What do amino acids do for muscle recovery?

Amino acids are the building blocks of protein and support muscle protein synthesis after training. Supplementing with BCAAs or EAAs may help reduce muscle breakdown, assist repair, and support recovery between workouts when used alongside adequate dietary protein.

Are BCAAs or EAAs better for recovery?

EAAs provide all nine essential amino acids required for complete muscle rebuilding, while BCAAs contain three key recovery amino acids. For broader recovery support, EAAs are generally more comprehensive, especially if total daily protein intake is lower.

When is the best time to take amino acids?

Amino acids can be taken before, during, or after training depending on your goal. Many athletes use them intra-workout to support muscle preservation or post-workout to assist recovery. Consistency matters more than exact timing.

Do I need amino acids if I already use protein powder?

If your daily protein intake meets recommended targets, additional amino acids may not be necessary. However, amino supplements can be useful during fasted training or long sessions where convenient, fast-digesting support is beneficial.

Can amino acids help reduce muscle soreness?

Some research suggests amino acid supplementation may help reduce markers of exercise-induced muscle damage and perceived soreness when used consistently around training. Results vary depending on training intensity and overall nutrition.

Are amino acid supplements safe to use?

When used as directed, amino acid supplements are generally considered safe for healthy adults. Always follow label instructions and consult a qualified healthcare professional if you are pregnant, nursing, or managing a medical condition.

 

Shop Amino Acid Supplements Online in NZ

Browse our curated selection of BCAAs, EAAs, and advanced recovery blends below. Compare formulas, flavours, and serving sizes to find a supplement aligned with your training intensity and recovery goals.

ProBuilder NZ — Performance Driven. Recovery Focused. Backed by Evidence.