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PRODUCT DESCRIPTION

Whey Protein Isolate (WPI) is a premium, highly refined form of whey protein designed for athletes and individuals who want maximum protein with minimal fats and carbohydrates. Through advanced filtration processes, most of the lactose, fat, and sugars are removed, resulting in a protein source that is typically 90% or more protein by weight.

Whey isolate is rapidly digested and absorbed, delivering essential amino acids to the muscles quickly to help support muscle repair, growth, and recovery after training. Because of its purity and fast absorption rate, it is commonly used post-workout or throughout the day to help meet daily protein requirements.

Compared with many other protein sources, whey isolate is known for its high bioavailability, complete amino acid profile, and high leucine content, which plays a key role in stimulating muscle protein synthesis.

Features

Why Choose Raisey's Grass Fed Whey Protein Isolate?

New Zealand grown and made Whey Protein Isolate stands out among other protein sources because of its high protein purity and low lactose content, making it a popular option for serious athletes and those looking for a cleaner protein source.

Key differences from other protein types:

Higher protein purity than whey concentrate – Whey isolate typically contains around 90% protein or more, with lower fats and carbohydrates.

Lower lactose content – The additional filtration removes most lactose, making it easier to digest for many people sensitive to dairy.

Faster absorption than most plant proteins – Whey isolate is quickly digested, helping deliver amino acids to muscles efficiently after exercise.

Complete amino acid profile – Unlike some plant proteins, whey contains all nine essential amino acids needed for muscle repair and growth.

Lean protein source – With minimal fat and carbohydrates, whey isolate is ideal for those focused on performance, recovery, or body composition.

 

Key Benefits

  • Supports muscle growth and recovery
  • Rich in essential amino acids and BCAAs
  • Fast-absorbing protein ideal for post-workout nutrition
  • Smooth taste and easy to mix
  • Whether you're training for strength, endurance, or overall fitness, Whey Protein Isolate provides a clean, efficient, and high-quality protein source to help support your performance and recovery goals. 

Nutritional Info

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