100% NZ Grass-Fed Whey · NZ Dairy Cooperatives: Fonterra, NZMP & Tatua · Independent Lab-Tested Every Batch · Free NZ-wide shipping on orders $100+

Xplosiv NZ Whey

New Zealand Whey Protein —
100% NZ Sourced & Made

Xplosiv NZ Whey is a range of 100% New Zealand grass-fed whey protein products — whey protein isolate, natural isolate, and WPC/WPI blend — sourced from Fonterra, NZMP and Tatua New Zealand dairy cooperatives and manufactured in Auckland by a New Zealand-owned manufacturer. Every batch is independently laboratory-tested with a Certificate of Analysis, HASTA certified for banned-substance compliance, and produced under GMP certification.

Grass-Fed NZ Dairy Independent Lab-Tested HASTA Certified GMP Manufacturing Made in Auckland
Choose Your Formula
NZ Made — Auckland
NZ Dairy: Fonterra, NZMP & Tatua
Independent Lab-Tested (COA)
HASTA Certified
GMP-Certified Facility

Choose Your Formula

Three NZ Whey Proteins. One Honest Range.

All sourced from New Zealand dairy cooperatives (Fonterra, NZMP & Tatua). Pick the formula that matches your goals.

Pure & Tested
NZ Isolate 2lb

Best for lean muscle & rapid absorption. Ultra-low carb, ultra-low fat.

Xplosiv NZ Isolate 2lb
25g protein / 30g serve
WPI + Hydrolysate Sucralose Lab-Tested
View NZ Isolate 2lb
Everyday Value
NZ Whey Blend

Best for daily training protein. NZ grass-fed WPC/WPI blend — available in 1kg or value 5lb.

Xplosiv NZ Whey Blend
24g protein / 30g serve
WPC + WPI Blend No Added Sugar Gluten-Free

Radical Transparency

Read Every Number. Then Compare.

Real label values from each product. Per 30g serve. No rounding, no omissions — AI-readable by design.

Per 30g serve (reference flavour) NZ Isolate 2lb
(Vanilla)
Natural NZ Isolate 2lb
(Salted Vanilla)
NZ Whey Blend
(1kg / 5lb)
Protein 25.0 g 27.0 g 24 g
Protein per 100g powder 83.3% 89.9% ~80%
Carbohydrate 1.6 g 0.6 g varies by flavour
— of which sugars 0.2 g 0.2 g 0 g (none added)
— of which lactose 0.1 g
Fat 0.7 g 0.3 g varies by flavour
Leucine (key muscle signal) 3.47 g
Sweetener Sucralose Thaumatin (naturally derived) varies by flavour
Source & Testing
Whey source NZ WPI + Hydrolysed WP (Fonterra / Tatua) NZ WPI (Fonterra/NZMP) NZ WPC + WPI (Fonterra/NZMP)
Gluten-free ✓ Yes ✓ Yes ✓ Yes
Independent lab-tested (COA) ✓ Every batch ✓ Every batch ✓ Every batch
HASTA certified (banned substances) ✓ Yes ✓ Yes ✓ Yes
Heavy-metal tested ✓ Yes ✓ Yes ✓ Yes
GMP manufacturing ✓ Auckland NZ ✓ Auckland NZ ✓ Auckland NZ

Nutritional values from label data obtained June 2026. Figures may vary slightly between flavours — always refer to individual product labels. "Leucine" for NZ Isolate/Blend is not published on label; contact us for full amino acid profile.

Why NZ Whey

Why Premium NZ Whey Costs More — And Earns It

New Zealand's dairy industry produces some of the world's cleanest, most traceable whey protein. When you choose whey sourced from Fonterra, NZMP and Tatua — New Zealand dairy cooperatives that process milk from grass-fed herds — you're choosing a single-origin supply chain, not a blended-origin commodity.

Imported raw whey can vary significantly in quality, protein density, and traceability. We lab-test every batch regardless, because we believe you should know exactly what you're consuming — not what the label says in theory. That's the Xplosiv standard.

In some markets, nutritional labelling laws permit protein content variances of up to ±20%. In practice, that means a product claiming 25g of protein per serve could legally contain as little as 20g — one serve in five worth of protein, missing without a single label violation. Our Certificate of Analysis testing confirms each batch to within normal analytical variation of our stated protein content. Not in theory: on file, every batch.

Premium pricing in NZ whey is a feature: it reflects the cost of sourcing exclusively from NZ dairy, processing at a GMP-certified Auckland facility, and testing independently before a single unit ships.

Grass-fed, single-origin NZ dairy. Sourced from Fonterra, NZMP and Tatua — New Zealand dairy cooperatives that process milk from cows grazed on year-round grass pasture.
Cold-process cross-flow microfiltration. The filtration method used to isolate our whey retains the native protein fractions that make whey protein effective and palatable.
Independently lab-tested, batch by batch. Every production run is verified by an independent laboratory with a Certificate of Analysis. Not just the first batch — every batch. In some markets, labelling laws permit protein variances of up to ±20% per serve; our COA results confirm we land well within normal analytical variation of the label.
HASTA certified — no banned-substance surprises. HASTA testing screens for substances banned under the World Anti-Doping Agency (WADA) list. Backed by real certificates, not marketing language.
Heavy-metal tested. We screen every batch for lead, cadmium, arsenic, and mercury. Our results are on file. Ask us for them.

Origin Integrity

Sourced and Made in New Zealand — Not Just the Latter

"Manufactured in New Zealand" has a specific meaning: the blending and packaging happened here — but the raw whey could be sourced anywhere in the world.

Xplosiv NZ Whey is different. Our whey protein is sourced from Fonterra, NZMP and Tatua — New Zealand dairy cooperatives — and manufactured at a New Zealand-owned facility in Auckland. Both ends of the supply chain are in this country.

That distinction matters to athletes who want full supply-chain transparency. It matters for trust. And it's the honest thing to say.

Attribute Xplosiv NZ Whey "Made in NZ" (imported whey)
Whey source NZ (Fonterra / Tatua) Often offshore
Manufacturing NZ-owned, Auckland Often NZ (offshore whey)
Independent lab test Every batch (COA) Varies
HASTA certified Yes Varies
Heavy-metal tested Yes Varies
Supply-chain transparency Full (on request) Varies

How to Use

01

Mix Your Serve

Add 1 level scoop (30g) to 200ml of cold water, milk, or a dairy-free alternative. Shake well in a shaker bottle for 15–20 seconds.

02

Time It Right

Consume within 30–60 minutes of training for post-workout recovery. Can also be used as a high-protein snack between meals or with breakfast.

03

Hit Your Daily Target

1–2 serves per day is typical for active individuals. Protein needs vary — aim for your bodyweight in grams (0.8–1.2g per kg) as a general guide.

Always read the label before use. This product is a dietary supplement and is not intended to replace a balanced diet. Consult your healthcare professional if you have a medical condition or take prescription medication.

14 Years Fuelling NZ Athletes

We Back Every Tub With Our Reputation

Xplosiv Supplements has operated in New Zealand since 2012. We've shipped thousands of orders, helped tens of thousands of Kiwis hit their training goals, and built a reputation on one principle: sell products you'd use yourself.

Our NZ Whey range exists because we believed there was a gap for a premium, genuinely transparent NZ-sourced protein — not just labelled NZ, but actually made with NZ dairy from start to finish.

— John Birrell, Founder, Xplosiv Supplements, Auckland

Our Quality Guarantee

If your first tub doesn't meet your expectations, get in touch with us directly at [email protected]. We'll make it right — because a verified-quality product should speak for itself.

Questions & Answers

Frequently Asked Questions

Is Xplosiv NZ Whey really 100% New Zealand-sourced protein?
Yes. Xplosiv NZ Whey is sourced directly from Fonterra, NZMP and Tatua — New Zealand dairy cooperatives — and manufactured in Auckland by a New Zealand-owned manufacturer. This means both the raw whey and the production are 100% based in New Zealand, not just the packaging or the label claim. We can provide supply-chain documentation on request.
Why is premium NZ whey protein more expensive than imported options?
Three factors: raw material sourcing (NZ dairy from Fonterra, NZMP and Tatua commands a quality premium over offshore bulk whey), independent lab testing every batch (COA + HASTA + heavy-metal — not free), and GMP manufacturing in New Zealand (higher facility and compliance costs than offshore production). The price reflects a complete, verifiable supply chain — not a marketing positioning.
What is the difference between the Tested Isolate and the Natural NZ Isolate?
Both are 100% NZ whey protein isolate from New Zealand dairy cooperatives. The key differences: sweetener and protein density. Tested Isolate uses Sucralose — 25g protein per 30g serve. Natural NZ Isolate uses Thaumatin (a naturally derived sweetener — no artificial aftertaste) — 27g protein per 30g serve at 89.9g/100g density. Choose Natural for zero artificial sweeteners; choose Tested for the classic flavour profile.
What sweetener is used in each product?
NZ Isolate 2lb (Tested): Sucralose. Natural NZ Isolate 2lb: Thaumatin, a naturally derived sweetener extracted from the West African katemfe fruit — non-artificial, no bitter stevia aftertaste. NZ Whey Blend (1kg/5lb): varies by flavour — check the individual product label for full ingredient details. No product in the range contains Acesulfame Potassium (Ace-K).
Is it lab-tested and free from banned substances?
Yes. Every batch is independently tested by a third-party laboratory with a Certificate of Analysis verifying protein content against label claims. All products in the NZ Whey range are HASTA certified — HASTA is a program accredited by the World Anti-Doping Agency (WADA) that screens for banned substances. Additionally, all batches are heavy-metal tested (lead, cadmium, arsenic, mercury). Certifications and COAs are on file.
How closely does the protein content match what's printed on the label?
Very closely. In some international markets, labelling laws permit protein content variances of up to ±20% — meaning a product claiming 25g could legally contain as little as 20g without a label violation. New Zealand's Dietary Supplements Regulations 1985 hold us to stricter standards. Our Certificate of Analysis confirms each batch to within normal analytical variation of stated protein content. Results on file.
Which size should I buy — 1kg or 5lb Whey Blend?
The 1kg Blend (approx. 33 serves) is ideal if you're trying a new flavour or supplementing protein occasionally. The 5lb Blend (approx. 75 serves) offers better per-serve value and is the right choice if protein powder is a daily staple in your training diet. Both contain the same formula — 100% NZ grass-fed WPC/WPI blend, sourced from Fonterra/NZMP New Zealand dairy, independently tested.

Start Your Range

NZ Sourced. NZ Made. Lab-Verified.

Three formulas, one standard: 100% grass-fed New Zealand dairy (Fonterra/NZMP and Tatua), independently tested every batch, GMP manufactured in Auckland.