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5 Best Isolate Protein Brands of 2025

Last Updated - 2025/10/01

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ALLMAX

Allmax Nutrition Whey Protein Isolate Isonatural, Unflavored, 5 Pound.

ALLMAX

CA$129.99

More Details
Main highlights
- Zero Artificial Dyes or Coloring
- Gluten-free and 99% Lactose-Free!
- 27 g of Protein with 0 g Fat with Zero Sugar added
CA$129.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BEYOND YOURSELF

Beyond Yourself - Beyond Isolate Whey Protein | Ultra-Premium, Micro-Filtered, Fast Absorbing | Sugar-Free, Gluten-Free, No Artificial Additives or Fillers | Supports Recovery | 5lbs, Vanilla Ice Cream

BEYOND YOURSELF

CA$126.99

More Details
Main highlights
- Premium Protein Powder: Crafted with high-quality whey protein isolate, this formula is designed to fuel your fitness journey by promoting optimal muscle growth, repair, and recovery. Ideal for fitness enthusiasts seeking top-tier performance
- Cleanest Possible Protein Powder: Prioritizing purity, this protein powder is free from artificial colours, flavours, sweeteners, and fillers. Made with 100% pure whey protein isolate.
- Award-Winning Flavors: Experience the perfect balance of flavour and nutrition with this protein powder. Renowned for its award-winning taste, it offers a smooth, delicious shake that mixes effortlessly.
- Antibiotic/Hormone-Free & Microfiltered: Derived from the finest whey protein isolate (WPI90), it undergoes advanced cross-flow microfiltration, effectively removing impurities like less absorbable proteins, fats, and lactose.
- 27g Protein per Serving: Packed with 27 grams of premium protein per scoop, this supplement helps support lean muscle development, improve strength, and speed up post-workout recovery, ensuring your body gets the nutrients it needs.
CA$126.99
3
Best Value
27% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ALLMAX Nutrition
27% Off

ALLMAX Nutrition - ISOFLEX - 100% Ultra-Pure Whey Protein Isolate - Strawberry - 5 Pound

ALLMAX Nutrition

CA$111.99

CA$154.99
(27% Off)

More Details
Main highlights
- PROFESSIONAL FORMULAS - Trusted by athletes & fitness enthusiasts, our formulas are designed to optimize your workouts & help you achieve your fitness goals. All ingredients are pure, high-quality, and meet the pharmaceutical grade.
- LOW CALORIE, ZERO SUGAR, AND GLUTEN-FREE FORMULA. Perfect for fitness enthusiasts aiming to maintain a lean physique, Isoflex is formulated without unnecessary fats, sugars, or gluten for maximum nutritional benefits.
- FAST-ABSORBING AND EASY MIXING. Isoflex powder instantly mixes into smooth, creamy shakes, perfect for immediate post-workout recovery, convenient meal replacements, or high-protein snacks throughout the day.
- ADVANCED HYBRID-RATIO ION-FILTRATION TECHNOLOGY. Utilizes state-of-the-art HRI technology ensuring exceptional purity and bioavailability, preserving essential bioactive whey fractions for optimal muscle nourishment.
- 100% PURE WHEY PROTEIN ISOLATE WITH 27G PROTEIN PER SERVING. Each scoop delivers ultra-pure protein to support lean muscle growth, enhanced recovery, and peak athletic performance.
CA$111.99
CA$154.99 (27% Off)
4
19% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Optimum Nutrition
19% Off

Optimum Nutrition Gold Standard 100% Whey Protein Powder, 2.270g - Vanilla Ice Cream - 73 servings (packaging may vary)

Optimum Nutrition

CA$100.79

CA$124.99
(19% Off)

More Details
Main highlights
- Packaging may vary New look, with the same trusted quality
- Over 5 grams of BCAAS help build lean and strong muscles with BCAAs. 34 grams carbs, 13 grams sugar, and 11.5 grams fat, gluten free, no sucralose in Vanilla Ice Cream flavor. Notice: Do not use as a sole source of nutrition
- Most awarded, bestselling whey protein powder on the planet. Banned substance tested highest quality control measures so you feel comfortable and safe consuming the product
- Gold standard 100% whey blend 24 grams blended protein consisting of whey protein isolate, whey protein concentrate, and whey peptides to support lean muscle mass they don't call it the Gold Standard of quality for nothing
- Anytime formula Great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition
CA$100.79
CA$124.99 (19% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Limitless Pharma

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 74 Servings, 5LB (Maple Brown Sugar)

Limitless Pharma

CA$124.99

More Details
Main highlights
- Ultra-Filtered Isolate for Clean, Low-Carb Nutrition: This high protein isolate powder is micro-filtered for purity, removing excess lactose, fat, sugar, and carbs to provide a low-calorie, keto-friendly option that’s perfect for clean bulking, cutting, or everyday use.
- High Bioavailability with EAAs and BCAAs: Packed with a full spectrum of EAAs and 6g of BCAAs, Pure Whey Isolate offers high bioavailability and clean protein delivery to help build lean muscle, prevent breakdown, and fuel athletic performance without bloating.
- Flavours That Taste as Good as They Perform: Enjoy 10 delicious flavours with smooth mixability, clean taste, and satisfying texture, making it easy to stay consistent with your protein intake in shakes, smoothies, oats, or high-protein recipes.
- Fast-Digesting, Gluten-Free, and Electrolyte Enriched: Formulated for easy digestion and rapid absorption, this gluten-free whey protein also delivers essential electrolytes like calcium, potassium, and sodium to support hydration, energy metabolism, and recovery.
- 27g Whey Isolate Protein + 6g BCAAs per Serving: Limitless Pharma Pure Whey Isolate delivers 27g of ultra-clean protein and 6g of naturally occurring BCAAs to support lean muscle growth, post-workout recovery, and high-performance training with just 112 calories per scoop.
CA$124.99

5 Best Isolate Protein Brands of 2025

Allmax Nutrition Whey Protein Isolate Isonatural, Unflavored, 5 Pound.

Beyond Yourself - Beyond Isolate Whey Protein | Ultra-Premium, Micro-Filtered, Fast Absorbing | Sugar-Free, Gluten-Free, No Artificial Additives or Fillers | Supports Recovery | 5lbs, Vanilla Ice Cream

ALLMAX Nutrition - ISOFLEX - 100% Ultra-Pure Whey Protein Isolate - Strawberry - 5 Pound

Optimum Nutrition Gold Standard 100% Whey Protein Powder, 2.270g - Vanilla Ice Cream - 73 servings (packaging may vary)

Limitless Pharma Pure Whey Isolate | High Protein Whey Isolate Powder | 27g Protein, 6g BCAAs, Sugar Free, Gluten Free, Low Carb, Low Lactose | 74 Servings, 5LB (Maple Brown Sugar)

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PVL ISOGOLD – Grass Fed - Premium Isolate 100% Whey Protein Shake (908 g (Pack of 1), Natural Chocoalte)

LEANFIT Sport Grass-Fed 100% WHEY ISOLATE Protein Powder, Natural Vanilla, Gluten Free, Keto-Friendly, Zero Sugar, Low Carb, 25g Protein, 29 Servings, 870g Tub

ALLMAX Nutrition - ISOFLEX Whey Protein Powder, Whey Protein Isolate, 27g Protein, Gluten Free & Vegan, Vanilla, 2 Pound

Optimum Nutrition Gold Standard 100% Isolate Protein Powder | Fast Digesting Ultra Filtered Whey Protein Isolate | 25g Protein, 5.5g BCAAs | Gluten Free (44 Servings, Rich Vanilla)

DIESEL 100% New Zealand Whey Isolate, Grass-Fed & Pasture Raised, Strawberry 2lb

Revolution Nutrition, High Whey, Protein Powder, Whey Isolate, Superior Formula, Gluten Free, Lean Muscle Mass For Men & Women, 25g of Protein Per Scoop, 908 g, 24 Servings (Chocolate Cake, 2 Pound)

ALLMAX Nutrition - ISOFLEX Whey Protein Powder, Whey Protein Isolate, 27g Protein, Pineapple Coconut, 2 Pound

ProteinCo | Pure All Natural Grass-Fed New Zealand Whey Protein Isolate Powder | 27g per serving | Pure Isolate | Gluten & Lactose Free | Low-Calorie | One Ingredient | 454g (Unflavoured)

ALLMAX Nutrition - ISOFLEX - 100% Ultra-Pure Whey Protein Isolate - Vanilla - 1 Pound

Schinoussa Super Foods New Zealand Whey Protein Isolate | 25g Protein | 0g Of Sugar | 1g Of Carbs | 110 Calories (Swiss Chocolte, 910 g (Pack of 1)

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