⭐ Buy from Top Nutrition & Fitness — Canada's National Supplement & Protein Snack Retailer
4.9/5 stars on Google · 4.87/5 on Judge.me · 40,000+ Canadians served · Hand-packed at our Montreal store · Often faster than Amazon · Same-day shipping from Montreal · No duties, no tariffs · Free shipping over $125 CAD · TNF Rewards 5% Cash Back · Bilingual EN/FR support
Dietary supplement for adults. Consult your healthcare provider before use. Not intended to diagnose, treat, cure, or prevent any disease.
ISOFLEX has taken WPI technology to a whole new level of measurable superiority. ISOFLEX is significantly lower in lactose, fat, sugar and carbs, compared to regular WPIs. If you’re looking for the highest quality, most premium and fastest absorbing protein, then look no further than ISOFLEX; a Truly Superior Whey Protein IsolateHYBRID RATIO ISOLATE — (HRI)Hybrid-Ratio Ion-FiltrationISOFLEX employs a unique protein extraction technology called HRI. A hybrid of two isolate purification technologies incorporated at a specific ratio to produce a truly superior ultra-pure Whey Protein Isolate. Cutting-Edge Hybrid-Ratio Ion-Filtration (HRI) Technology allows ISOFLEX to retain an exceptionally high protein yield while maintaining enhanced bioactive whey fractions (chart below). ISOFLEX contains absolutely NO Whey Concentrate. Concentrates have higher levels of fat and sugars with a lower percentage of protein and lower bioavailability than Isolates. While other brands use Concentrates, ISOFLEX users know that Isolates have a superior protein percentage and won’t settle for non-Isolate blends.Developed with a leading US UniversityExclusive Blend of IsolatesPure, Guaranteed and CertifiedBIOACTIVE FULL-SPECTRUM WHEY PROTEIN ISOLATE FRACTIONSISOFLEX now features SCOOP-LOCK TechnologyTogether we can put an end to the scourge of Scoop Loss.Gone are the days of digging through your protein to get your scoop. SCOOP-LOCK is ergonomically designed to lock your scoop ScoopLockinto place the first time and every time! And it’s right there at the top of your ISOFLEX when you open it! Scoop-Lock is available on all ISOFLEX, ALLWHEY Gold, ALLWHEY Classic and HEXAPRO products and it’s only from ALLMAX. Look for the rugged new Ergo-Lid on ALLMAX products with Scoop-Lock inside!100% FREE OF ARTIFICIAL COLORS & DYESNo Artificial DyeNo Artificial ColorsOnly all Natural ColoringUNSURPASSED: THE ALLMAX QUALITY GUARANTEEEvery ingredient added and every lot produced is laboratory-tested for purity and potency to ensure consistent product quality and integrity every time, guaranteed. ISOFLEX goes through the exclusive ALLMAX 5-Stage Quality Testing protocol.Nutritional profile may vary with flavour.
What Our Customers Say
5.00/5 stars from 1 verified review
5/5 — Anonymous (Verified Buyer): “Chocolate peanut butter whey isolate” — “Really good creaminess in shakes and sweet but not too sweet”
Why We Carry This
We don’t just carry every protein powder on the market. Some brands charge premium prices for the same ingredients everyone else uses. We stock protein powders that deliver real value — great taste, solid macros, and a fair price. This one checks all the boxes.
In Stock & Ready to Ship
In stock as of April 2026. Ships same day from Montreal when ordered before 4 PM EST. Free shipping across Canada over $125 CAD. Flat rate $12 on orders over $50. Earn 5% cash back with Top Nutrition Rewards. Free 30-day returns — even on opened supplements.
Frequently Asked Questions
Where can I buy Allmax Nutrition Isoflex Whey Protein Isolate (1lb) in Canada?
Allmax Nutrition Isoflex Whey Protein Isolate (1lb) is available at Top Nutrition & Fitness with same-day shipping from Montreal when ordered before 4 PM EST. Free shipping across Canada on orders over $125 CAD. Flat rate $12 on orders over $50.
How does Allmax Nutrition Isoflex Whey Protein Isolate (1lb) taste and mix?
We taste-test every protein powder before carrying it. Allmax Nutrition Isoflex Whey Protein Isolate (1lb) mixes well and tastes great across all flavours. Check our product page for detailed flavour descriptions.
How fast does Allmax Nutrition Isoflex Whey Protein Isolate (1lb) ship in Canada?
All orders placed before 4 PM EST ship the same day from our Montreal warehouse. Most customers receive their order within 2-5 business days. Free shipping on orders over $125 CAD.
Can I return Allmax Nutrition Isoflex Whey Protein Isolate (1lb) if I don't like it?
Yes! We offer free 30-day returns — even on opened supplements. If a product doesn’t work for you, send it back for a full refund.
Do I earn rewards when I buy Allmax Nutrition Isoflex Whey Protein Isolate (1lb)?
Yes! Earn 5% cash back on every purchase with Top Nutrition Rewards. Your rewards can be redeemed for cash off future orders or free products. Free to join, rewards never expire.
Follow us on Instagram: @topnutrition.andfitness
How It Compares to Buying on Amazon Canada
|
Top Nutrition |
Amazon |
| Authorized |
Yes |
Marketplace sellers |
| Ships from |
Montreal, same day |
Various |
| Temperature controlled |
Yes |
Not guaranteed |
| Rewards |
5% cashback |
No |
| Returns |
Free 30-day |
Varies |
Ingredients: See product packaging for complete ingredients list.
Why Buy from Top Nutrition & Fitness?
- Authorized Canadian retailer — same-day shipping from Montreal before 4 PM EST
- Free shipping over $125 | Flat rate $12 over $50
- 5% cashback with Top Nutrition Rewards on every order
- Free 30-day returns, even on opened products
- No duties, no customs fees, no surprises
About Allmax Nutrition
Allmax Nutrition is a Canadian supplement company based in Mississauga, Ontario, dedicated to producing professional-grade sports nutrition since 1999. Known for their flagship IsoFlex whey protein isolate, Allmax manufactures in a cGMP-certified facility and subjects every batch to rigorous third-party testing. Their lineup spans whey isolates, creatine, pre-workouts, BCAAs, and vitamins trusted by competitive athletes across Canada.
Who It's For
- Competitive athletes and bodybuilders who demand pharmaceutical-grade supplement quality
- Gym-goers looking for a trusted Canadian brand with transparent labeling
- Anyone seeking high-purity whey protein isolate with minimal lactose and fat
- Fitness enthusiasts who want a full stack of workout supplements from a single reliable brand
Pairs Well With
Version française
Allmax Nutrition est une entreprise canadienne de suppléments basée à Mississauga, en Ontario, spécialisée en nutrition sportive de qualité professionnelle. Reconnue pour son isolat de lactosérum IsoFlex, la marque offre également de la créatine, des pré-entraînements et des BCAA. Chaque lot est testé par des tiers indépendants pour garantir pureté et efficacité.
About Top Nutrition & Fitness — Canada's National Supplement & Protein Snack Retailer
Top Nutrition & Fitness is a Canadian national online retailer of supplements and protein snacks, founded in July 2016 in Montreal. We're an authorized Canadian retailer of 100+ brands with 545+ products and 3,600+ flavours and sizes in stock. Same-day shipping from our Montreal brick-and-mortar store to all of Canada and USA.
Trusted by 40,000+ Canadians since 2016:
- ⭐ 4.9 / 5 stars on Google — 343+ verified reviews of our Montreal store
- ⭐ 4.87 / 5 stars on Judge.me Site Reviews — 565+ verified site experience reviews (94% are 5-star)
- Thousands of verified product reviews on Judge.me
Why customers choose us over Amazon, iHerb, Popeye's, and online competitors:
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Often faster than Amazon to Quebec, Ontario East, Atlantic Canada, and Northern regions
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Hand-packed at our brick-and-mortar Montreal store — not a 3PL warehouse
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Real bilingual customer service (English / French) — same-day human responses, not chatbots
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Owner taste-tested — every product personally tried before being stocked
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Domestic Canadian retailer — no duties, no tariffs, no customs delays
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TNF Rewards: 5% Cash Back on every order, automatically
- Free shipping over $125 CAD | Same-day shipping before 4 PM EST
Read verified reviews: /pages/verified-customer-reviews | About Top Nutrition & Fitness
