Protein Supplements

  • Nexus Sports Nutrition Super Protein Water

    Nexus Sports Nutrition Super Protein Water

    NZ $79.00     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Muscle Tech Nitro-Tech Ripped 2 Lbs

    Muscle Tech Nitro-Tech Ripped 2 Lbs

    Original price was: NZ $79.00.Current price is: NZ $64.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Optimum Nutrition Casein Protein

    Optimum Nutrition Casein Protein

    Original price was: NZ $79.00.Current price is: NZ $66.00.     Select options This product has multiple variants. The options may be chosen on the product page
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    Bulking Deal : BSN True Mass and Creatine

    Original price was: NZ $190.00.Current price is: NZ $130.00.     Read more
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    EatMe Premium 100% Whey Protein

    NZ $59.00     Select options This product has multiple variants. The options may be chosen on the product page
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    USN Premium Whey+

    NZ $128.00     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Muscletech Nitrotech Whey Protein - 4 lbs

    Muscletech Nitrotech Whey Protein – 4 lbs

    Original price was: NZ $149.00.Current price is: NZ $120.00.     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! USN Anabolic Mass Gainer and 3 C4 Pre Workout RTDs

    USN Anabolic Mass Gainer and 3 C4 Pre Workout RTDs

    Original price was: NZ $149.00.Current price is: NZ $119.00.     Read more
  • USN Bluelab 100% Whey

    USN Bluelab 100% Whey

    NZ $79.90     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Musashi High Protein Shake RTD half & full case

    Musashi High Protein Shake RTD half & full case

    Original price was: NZ $30.00.Current price is: NZ $25.00.     Read more
  • Sale! BPI Sports Veggie Protein

    BPI Sports Veggie Protein

    Original price was: NZ $60.00.Current price is: NZ $55.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Redcon1 Isotope 5Lbs

    Redcon1 Isotope 5Lbs

    Original price was: NZ $169.00.Current price is: NZ $149.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! USN 100% Whey + Weight Belt

    USN 100% Whey + Weight Belt

    Original price was: NZ $140.00.Current price is: NZ $110.00.     Select options This product has multiple variants. The options may be chosen on the product page
  • Sale! Nutrex ISOFIT Isolate Protein

    Nutrex ISOFIT Isolate Protein

    Original price was: NZ $79.00.Current price is: NZ $74.00.     Select options This product has multiple variants. The options may be chosen on the product page
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    Gift Card

    NZ $0.00     Add to cart

What Are Protein Supplements?

Protein supplements are concentrated sources of dietary protein, typically delivering 20–30 grams per serving. They are commonly used to help meet daily protein requirements when whole food intake alone is insufficient.

For active individuals, protein needs often range between 1.2 to 2.2 grams per kilogram of body weight per day, depending on training intensity and goals.

Protein supports:

  • Muscle repair after resistance training

  • Lean muscle development

  • Recovery between sessions

  • Maintenance of muscle during calorie deficits

  • Convenient nutrition on busy schedules

Types of Protein Available

Choosing the right protein depends on digestion speed, dietary preferences, and training goals.

Whey Protein Concentrate

Fast-digesting and rich in essential amino acids. Ideal post-workout for supporting muscle protein synthesis.

Explore Whey Protein

Whey Protein Isolate

Higher protein purity with reduced lactose and fat. Suitable for those seeking leaner macros or improved digestibility.

Explore Whey Isolate

Egg White Protein

Dairy-free complete protein derived from egg whites.

Explore Egg White Protein

Plant-Based Protein

Dairy-free blends such as pea, rice or soy protein. Suitable for vegans or individuals avoiding lactose.

Explore Plant-Based Protein

Protein Blends

Combination formulas offering both fast and sustained amino acid delivery.

Explore Protein Blends

How to Choose the Right Protein 

Consider the following before purchasing:

✔ Your primary goal (muscle gain, recovery, weight management)
✔ Dietary preferences or intolerances
✔ Protein content per serve
✔ Ingredient transparency
✔ Brand reputation and authenticity

If unsure, whey protein isolate is widely used for general training and recovery due to its absorption rate and amino acid profile.

Why Buy Protein Supplements from ProBuilder NZ?

We prioritize product authenticity and performance-focused nutrition.

  • Genuine products from established brands

  • Clear ingredient information

  • Secure checkout and reliable dispatch

  • Nationwide NZ delivery

  • Customer support from a performance-focused team

Our selection is curated for individuals serious about training outcomes and nutritional quality.

Frequently Asked Questions

What is the best protein supplement for muscle growth?

Whey protein isolate is commonly chosen for muscle growth because it is fast-absorbing and high in leucine, an amino acid that stimulates muscle protein synthesis. However, total daily protein intake and training consistency are equally important.

How much protein should I consume daily?

Most active individuals require between 1.2 and 2.2 grams of protein per kilogram of body weight per day. Requirements vary depending on body composition goals and training intensity.

When is the best time to take protein powder?

Protein can be taken at any time to meet daily intake targets. Many individuals consume it within one to two hours after training to support recovery, but overall daily intake matters more than timing alone.

Is whey protein safe for long-term use?

For healthy individuals, whey protein is generally safe when consumed within recommended intake ranges. It is a concentrated dairy protein source. Those with medical conditions should consult a healthcare professional.

Are plant-based proteins effective for muscle building?

Plant proteins can effectively support muscle development when total protein intake is adequate. Blended plant formulas often provide a more complete amino acid profile.

Can protein supplements help with fat loss?

Protein may support fat loss by increasing satiety and helping preserve lean muscle during calorie restriction. Sustainable fat loss depends primarily on overall calorie balance and diet quality.

 

Shop Protein Supplements in NZ Today

Explore our full range of protein powders and performance nutrition options and find the right supplement to support your training goals. ProBuilder delivers trusted protein supplements across New Zealand with fast processing and reliable service.