5 Best Whey Protein Isolates for Lean Muscle

by PaulaVargas 2236 views Gain Muscle

5 Best Whey Protein Isolates for Lean Muscle

If you're looking for the best-sellers in Whey Protein Isolate (WPI), then you're in the right place. These choices are customer-approved and tick the boxes in terms of high protein, delicious taste and excellent consistency.

1. Lean WPI by Genetix Nutrition  

Lean WPI by Genetix Nutrition

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Lean WPI is one of the best sellers for it's value factor, high protein content and easy digestibility. If you love whey protein but your stomach doesn't handle traditional whey protein blends, this one's for you. With 90% pure WPI, ultra filtration and dried at cold temperatures to preserve max nutrition, you can't go wrong with this bodybuilding staple.

Lean WPI gives you:  

  • 35.7g Protein
  • 0.7g Fat
  • 2.1g Carbohydrates
  • BCAAs and EAAs

2. R1 Protein WPI by Rule 1 Proteins

Firstly, R1 brings you an amazing selection of different flavours - check out some of these: Red Velvet, Apple Cinnamon, Strawberries & Cream and Fruity Cereal. 

Secondly, R1 has been a popular player for several years, well known for their high-quality manufacturing. Everyone wants to call themselves 'high quality' nowadays, but these guys really know what they're talking about. In each tub, you'll find a short list of ingredients - this is great, why? Because there's no fillers or other unnecessary ingredients.

Super-lean, mouth-watering flavours and with an optimal amino acid profile, you can't go past R1.

R1 Protien WPI gives you:  

  • 25g Protein
  • 0g Fat
  • 1g Carb
  • 6g BCAA’s

R1 Protein WPI by Rule 1 Proteins 

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3. ISO 100 WPI by Dymatize  

ISO 100 WPI by Dymatize

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When you think of 'clean' protein, think of Dymatize. ISO 100 is usually a favourite amongst serious gym goals and industry professionals, why? Because it stands the test of time in terms of quality, and this is exactly why I've featured it here. Dymatize is straight to the point, no fuss, no muss. Banned substance tested, you'll feel confident using this premium protein anywhere, anytime. 

ISO 100 WPI gives you:  

  • 25g Protein
  • 0g Fat
  • 0g Carbohydrates
  • 2.7g Leucine

4: IsoPept Zero by EHP Labs

If you've been to any fitness expos, you've probably seen EHP Labs bringing the hype factor. These guys aren't just all talk though - IsoPept Zero is a WPI that delivers a superior taste profile with NO sugar! The expert developers at EHP know a thing or two about supps - they've been in the game long enough to know not only what works, but what will appeal to a mass audience. Each product is scientifically developed with your highest fitness goals in mind - find hydrolyzed WPI fractions and whey protein isolate in an easy to drink formula that you'll look forward to every single day.

IsoPept Zero gives you:  

  • 25g Protein
  • 0.5g Fat
  • 2g Carb
  • 0g Sugar
  • 5.7g BCAA’s

IsoPept Zero by EHP Labs

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5:  Gold Standard 100% Isolate by Optimum Nutrition

Gold Standard 100% Isolate by Optimum Nutrition

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If you haven't heard of ON, then you've probably been living under a rock! With a huge global presence, you can count on a product that is loved by fitness enthusiasts, bodybuilders and athletes worldwide. Though they are more commonly known for their whey protein blend, Gold Standard 100% Whey, this isolate is ideal for you if you want a lighter, more easily digested option. If lean gains is your goal, then every macro counts - with almost no fat and only 106 calories per serve, you can easily fit this into any diet plan!

Gold Standard 100% Isolate gives you:  

  • 25g Protein
  • 0g Fat
  • 1g Carbohydrates
  • Low Sodium content


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Build your body, nourish your mind and always remember to go on new adventures!


  • Bachelor of Laws & Bachelor of Business (Marketing Major)
  • Precision Nutrition L1
  • Cert III & IV in Fitness
  • Others: EFT (Emotional Freedom Technique), Human Behavioural studies, Small Business Management

I train 5-6 x per week with a mix of weights & cardio and promote eating in moderation.
I love to connect with people to feel free to chat with me on IG @paulavargasduran


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