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Perfect Sports Diesel New Zealand Whey Isolate 4lb

Regular price $139.95 Sale price$114.97 Save $24.98
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27g of Grass-Fed New Zealand Whey Isolate — Perfect Sports Diesel 4lb

The Diesel 4lb is the sweet spot in the lineup — 60 servings of the same premium formula as the 5lb, at a size that's easier to commit to when you're still exploring flavours. Every 30g scoop delivers 27g of pure whey isolate from grass-fed, pasture-raised New Zealand cows, with zero sugar, zero artificial flavours, and 0g of lactose. Bulldog Nutrition is an authorized Canadian retailer of Perfect Sports, shipping genuine Diesel products fast to every province and across the US.

 

Servings per tub ~60 servings
Protein per serving 27g
Calories per serving 110
BCAAs per serving 7g (Leucine, Isoleucine, Valine)
Protein source 100% NZ grass-fed whey isolate
Sugar per serving 0g
Flavours available 6 (French Vanilla, Triple Rich Chocolate, Chocolate Peanut Butter, Cookies & Cream, Strawberry, Milk Chocolate)
Best for Lean muscle, post-workout recovery, lactose sensitivity, regular use

 

Why Perfect Sports Diesel?

  • 27g pure whey isolate per 30g scoop — among the highest protein-to-scoop ratios in its class
  • 7g BCAAs per serving — leucine, isoleucine, and valine to support muscle protein synthesis
  • 110 calories, 0g sugar, 0g carbs — keeps macros tight whether cutting or maintaining
  • Sweetened only with stevia — no sucralose, no acesulfame potassium, no artificial sweeteners of any kind
  • Informed Choice certified — third-party tested for WADA banned substances, safe for drug-tested athletes
  • NPN licensed by Health Canada, manufactured in a cGMP certified facility in Vaughan, Ontario
  • Grass-fed, pasture-raised New Zealand dairy — free from rBST, rBGH, and artificial growth hormones

Who Is This For?

The Diesel 4lb is the ideal size for regular protein users who want the full value of a large tub without committing to the 5lb. It suits lean muscle building, post-workout recovery, and anyone managing daily protein intake without adding sugar or excess calories. Athletes in tested sports will value the Informed Choice certification, which means every batch is screened for WADA banned substances before it ships. If you're lactose sensitive but still want a dairy-based protein, Diesel's isolate filtration removes virtually all lactose.

Who Is This NOT For?

✗ First-time Diesel buyers — try the 2lb first to find your flavour before stepping up ✗ Those who prefer a sweeter, richer-tasting protein — stevia has a distinct finish some find slightly bitter, especially with water; mixing with milk rounds it out ✗ Anyone looking for a mass gainer — at 110 cal and 0g carbs, this is a strict lean protein ✗ People with dairy allergies — Diesel is lactose-free but is not dairy-free; it contains milk


What's In It?

Diesel is built on a single protein source: 100% whey protein isolate sourced from grass-fed, pasture-raised cows in New Zealand. The isolate filtration process removes virtually all lactose and fat, delivering 27g of protein at just 110 calories with 0g of sugar per scoop. The complete amino acid profile includes 13g of essential amino acids (EAAs) and 7g of BCAAs per serving — the building blocks your muscles need for repair and growth after training. The formula is flavoured exclusively with natural flavours and sweetened only with pure stevia leaf extract. No artificial colours, no dyes, no proprietary blends.

⚠️ Contains milk. May contain sesame and soybean. Not suitable for those with a dairy allergy. Always read the full label before use. These statements have not been evaluated by Health Canada or FDA for disease treatment or prevention.


Why Buy From Bulldog Nutrition?

Diesel is a Canadian-made product — and so is Bulldog. With over 10 years serving supplement customers across Canada and the US, we're an authorized retailer of Perfect Sports, meaning every 4lb tub is sourced directly from the brand, 100% authentic, and never grey market or counterfeit.

  • ✓ Authorized retailer — authentic products only, never grey market or counterfeit
  • ✓ Ships across Canada and the US — fast, reliable delivery to your door
  • ✓ 10+ years in business — a track record you can rely on
  • ✓ Rated 4.9/5 across the Diesel product line by verified Canadian customers
  • ✓ Ongoing support available — reach us anytime via email or live chat

Add to cart and get 60 servings of Canada's cleanest grass-fed whey isolate — shipped fast to every province and the US.

Shipping Information

Bulldog Nutrition ships across Canada and the United States. Most orders are processed within 1 to 2 business days.

Free shipping is available on eligible orders over $100. Please note that drink cases are excluded from free shipping due to size and weight.

During extreme hot or cold weather, heat-sensitive or cold-sensitive items may be affected in transit. For full details, please review our Shipping Policy.

Product & Site Disclaimer

Website information is provided for general informational purposes only. Product details, images, ingredients, and labels may change without notice, so customers should always review the actual product packaging received before use. For full details, please review our Product & Site Disclaimer.

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Need Help?

For the fastest assistance, please use Live Chat on our website. You can also text SUPPORT to 1-833-497-3885 or use our Contact Us page for order, shipping, returns, and general support questions.


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