Top 10 Protein Powders (WPI) in Australia and New Zealand
Published 25 October 2026 · 1% Better
1. Top Athlete — 88/100
The highest overall score in this comparison
Affiliate partner. Scores follow the same published methodology.
Ultimate Whey Isolate · Dutch Chocolate
Top Athlete combines a short, four-ingredient formula with strong accessible laboratory documentation. It earns 19/20 for ingredients and 18/20 for testing evidence, helping it finish first overall.
Keep in mind: The recorded whey source can be Australia, New Zealand or Europe, depending on the production run. That makes the exact whey origin less specific than some alternatives.
A good fit for: Readers who prioritise a short ingredient list and accessible testing evidence.
2. NZProtein — 86/100
Strong value with clear New Zealand sourcing
NZ Whey Isolate · Double Chocolate (Stevia)
NZProtein combines 83.2g protein per 100g with a full 12/12 value score and 14/15 for sourcing. Its balanced result puts it second overall, rather than relying on one standout claim.
Keep in mind: This score applies to Double Chocolate (Stevia). The unflavoured version has a different nutrition panel and belongs in a separate comparison. Check Australian delivery costs before comparing your final spend.
A good fit for: Readers balancing price, protein concentration and declared whey origin.
3. Go Good — 84/100
A short formula with organic cacao
Whey Protein Isolate · Organic Chocolate
Go Good earns 19/20 for ingredients and 14/15 for sourcing. The reviewed formula combines New Zealand WPI, sunflower lecithin, organic cacao and thaumatin, with 84.5g protein per 100g.
Keep in mind: Its recorded A$109/kg price reduces its value score to 7/12. Organic cacao in the formula should not be read as a claim that the entire product is certified organic.
A good fit for: Readers who value a concise cacao-based formula and New Zealand sourcing.
4. Pillar Performance — 79/100
Certification and sourcing drive its score
Whey Protein Isolate · Chocolate
Pillar earns 17/20 for testing evidence and the full 15/15 for source origin. The index records Informed Sport certification and New Zealand whey sourcing as its main strengths.
Keep in mind: At 78g protein per 100g, its protein density is lower than several alternatives here. Its recorded premium price reduces value to 5/12. It shares the same overall score as Pure Product.
A good fit for: Readers who put recognised sports-testing documentation high on their checklist.
5. Pure Product — 79/100
High protein density and a strong value score
Whey Protein Isolate · Chocolate
Pure Product records 88g protein per 100g and earns 12/12 for value. Its substantial recorded customer-review base supports an 8/8 customer-experience score.
Keep in mind: Testing evidence scores 11/20 and ingredients 14/20, below the leaders. Its evidence confidence is Medium. It shares Pillar’s overall score, with more emphasis on value and protein concentration.
A good fit for: Readers prioritising protein concentration and price while checking the evidence gaps.
6. Amino Z — 78/100
The strongest testing component among these ten
Whey Protein Isolate · Chocolate
Amino Z earns the full 20/20 for testing evidence. Its Chocolate formula records 80.4g protein per 100g and uses thaumatin, with 18/20 for ingredients.
Keep in mind: The record declares 4.5g sugar per 100g, or 1.35g per 30g powder. This reduces its score under our published sugar rule. Undisclosed dairy-source country also limits sourcing points.
A good fit for: Readers who want strong finished-product testing documentation.
7. Bulk Nutrients — 77/100
Competitive protein concentration and value
Whey Protein Isolate · Chocolate
Bulk Nutrients records 85g protein per 100g and earns 12/12 for value. A large recorded review base contributes the full 8/8 for customer experience.
Keep in mind: Its Chocolate formula contains sucralose, which the published ingredient framework scores less favourably. Testing-document access and dairy-origin disclosure also limit its total. This does not establish that sucralose makes the product unsafe.
A good fit for: Readers prioritising protein concentration and budget who are comfortable with its ingredient list.
8. True Protein — 77/100
Established customer feedback and New Zealand whey
WPI90 · Rich Chocolate
True Protein earns 16/20 for testing evidence, 13/15 for sourcing and 8/8 for customer experience. These strengths support its 77/100 total.
Keep in mind: The reviewed Rich Chocolate formula includes inulin, lecithin and gum alongside WPI, cocoa, flavour and stevia. Its longer formula and recorded price reduce the ingredients and value components. WPI90 is a product name: this flavour’s recorded protein content is 81g per 100g.
A good fit for: Readers seeking declared New Zealand whey sourcing and an established customer-feedback base.
9. Professional Whey — 76/100
A concise formula and full sourcing points
NZ Whey Protein Isolate · Organic Cacao
Professional Whey earns 20/20 for ingredients and 15/15 for sourcing. Its Organic Cacao formula lists New Zealand WPI, organic cacao, thaumatin and sunflower lecithin, with 83.1g protein per 100g.
Keep in mind: The index did not find an accessible finished-product batch report, limiting testing to 10/20. There is also less documented customer feedback in our current assessment. These are evidence gaps rather than proof of poor quality.
A good fit for: Readers who prioritise formula simplicity and specific whey sourcing.
10. SBN — 75/100
Sports-testing certification with New Zealand whey
Clean WPI · Chocolate
SBN Clean WPI earns 17/20 for testing evidence and 14/15 for sourcing. HASTA certification and declared New Zealand whey are the main reasons it enters the top ten.
Keep in mind: Its recorded 77.6g protein per 100g and A$129.95/kg price are less competitive than several alternatives. The current assessment also lacks a verified customer rating and review count.
A good fit for: Readers who prioritise sports-testing documentation and clear sourcing.
Which protein powder should you choose?
Start with your priority. Top Athlete leads the overall chocolate comparison. NZProtein scores strongly on value and sourcing. Pure Product and Bulk Nutrients also earn full value points. Amino Z has the highest testing-evidence component among these ten, while Professional Whey earns full ingredient and sourcing points.
Then check the exact flavour, delivered price and taste. The index compares prices on an AUD basis; local prices and delivery costs can differ between Australia and New Zealand. A high score cannot tell you whether you will enjoy drinking it. Try a sample or a small pack before committing to a large order.
Frequently asked questions
What is the best WPI in Australia and New Zealand?
There is no single best brand for every buyer. In this snapshot, Top Athlete Ultimate Whey Isolate Dutch Chocolate leads the 1% Better overall chocolate WPI comparison at 88/100. The result applies to that reviewed product and flavour.
Are these all Australian-owned brands?
No. The list includes Australian and New Zealand brands. Check delivery availability and costs for your country before ordering. Brand location, manufacturing location and whey-ingredient origin are different facts.
Why do chocolate and unflavoured WPI have different rankings?
Their formulas and nutrition panels differ. Comparing them in separate groups avoids giving an unflavoured product an automatic advantage over chocolate products containing cocoa and flavouring.
Does a higher score mean a protein powder is safer or tastes better?
No. The score summarises six published comparison factors. It is not a safety certification, a taste-test result or a guarantee of better results. Check the exact evidence and your own preferences.
Why are some well-known brands missing?
This list contains only the top ten in the current overall chocolate group. Other products may appear lower in the index or await review. Absence from this article is not a negative verdict.
Compare the full list before buying
Explore the full Protein Index, switch flavour groups and inspect the evidence behind each score. For a buying checklist, read how to choose whey protein.
Published by 1% Better. Founded by Shirley Zu. How we research and prepare our content.