• unflavoured + 1kg
  • unflavoured + 1kg
  • info+UNFLAVOURED BY DESIGN
  • info
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  • Isolate +recipe+Unflavoured by Design
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Whey ISO90 Unflavoured by Design

Whey ISO90

$95.00
$95.00
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Taxes included.

Made from ~100% Whey Protein Isolate that delivers an impressive~ 90% protein per scoop

~26.8g protein • ~6.8g BCAAs • ~3.1g leucine (per serving)

Rich in essential amino acids (EAAs) for muscle protein synthesis

Rapid absorption supporting leucine and BCAA availability for muscle protein synthesis¹

Highly Bioavailable with – >91% true ileal digestibility in humans¹

Independently tested for purity and quality assurance²

Flavor: Unflavoured by Design
Weight: 1kg

One Time Purchase

$2.87 (per serving)

Limited batch pricing - Stock up and save upto 40% before new batch arrives. Best before August 2026 Click Here

Product Description

Simplicity – Protein in its purest form.  

Authayn ISO90 is a pure whey protein isolate with 90% protein, crafted for fast absorption, high bioavailability, and ultra‑clean recovery.

Authayn’s Whey  ISO90 is unflavoured by design, created for those who want the highest concentration of WPI with nothing extra. It’s protein in its simplest, most efficient form. 

Source – Premium whey isolate. 
Crafted from ~100% Whey Protein Isolate sourced from trusted facilities in the UK, EU, and US, ensuring uncompromised quality, consistency, and purity. 

Purity – Minimal ingredients, maximum clarity.  
With just 2 ingredients, Whey ISO90 is naturally free from added sugar, artificial flavours, colours, and fillers - delivering clean nutrition without distractions. 

Performance – Precision in every scoop.  
Each 30g serving provides ~26.85g protein • ~6.85g BCAAs • ~3.12g leucine, supplying all essential amino acids to support muscle maintenance and recovery with rapid absorption and high bioavailability. 

Versatility – Adaptable to your routine.  
Unflavoured and neutral, ISO90 mixes seamlessly into shakes, smoothies, oats, or recipes without altering taste - giving you complete control over how you enjoy your protein. 

For You – For those who demand the best.  
Athletes and health enthusiasts seeking the purest, most efficient protein to support training, recovery, and lean muscle maintenance. 

Ingredients

  • Whey Protein Isolate 
  • Sunflower Lecithin 

Allergens: Contains Milk and Milk derivatives.

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Inside--Scoop

What powers your protein

Whey Protein Isolate

A highly refined form of whey protein, made through extra filtration steps that remove most of the fat, carbohydrates, and lactose found in milk. It provides 

  • Higher protein – isolate has the greatest protein concentration in the whey family. 
  • Fast absorbing – its light profile lets your body access amino acids quickly, especially useful after training. 
  • Easier to digest – with most lactose removed, it’s often gentler on the stomach. 
  • Complete amino acid profile – rich in BCAAs (leucine, isoleucine, valine) that support recovery and muscle repair. 

Sunflower Lecithin

A natural emulsifier that keeps your shake smooth, not clumpy. Derived from sunflower (not soy), used in trace amounts only for mixability.

FAQs

What is Authayn? +

Authayn is a Singapore-based performance nutrition brand focused on clean formulations, full ingredient transparency, and no unnecessary additives.

What makes Authayn a clean protein brand? +

Authayn focuses on transparent ingredients and clearly labelled formulations so
customers can make informed choices about what they consume.



Are Authayn products lab tested? +

Yes. Authayn products are independently tested by an accredited third‑party laboratory for purity and quality. Testing includes amino acid profiling, heavy metal screening, aflatoxin, melamine, and microbiological safety.
We publish the reports, not summaries, and they are accessible via the QR code on packaging and on our website lab‑certification page.

What sweetener does Authayn use? +

We use monk fruit extract as our primary sweetener. Authayn products are formulated without artificial sweeteners such as sucralose or aspartame, and without unnecessary additives. Some formulations also include small amounts of naturally derived ingredients
such as thaumatin, which is used mainly as a flavour enhancer.

What is ISO90? +

Authayn ISO90 is a pure whey protein isolate with a high protein content (~90%). It is unflavoured and designed for those who prefer a clean and flexible protein option.

What makes ISO90 different from other Authayn proteins? +

ISO90 is a whey protein isolate. It has higher protein percentage per serving, with less lactose and fat, so the macro‑profile is leaner per scoop. Because it is lower in lactose and fat, ISO90 is typically lighter and quicker to digest, which some people notice
as a smoother. Whey concentrate naturally contains a bit more fat and lactose, which
contributes to a greater sense of satiety and is creamier in taste profile, while ISO90 is
designed for those who want a very lean, unflavoured protein base.

What does ISO90 taste like? +

ISO90 is unflavoured and has a neutral taste profile, making it easy to mix into shakes, smoothies, or recipes without affecting flavour.



Is ISO90 suitable for daily use and post-workout? +

Yes. ISO90 can be used for daily protein intake and after training to support recovery as part of a balanced diet.



Which Authayn Whey protein should I choose? +

Choose Core80 if you want a high-protein shake for everyday use. It uses whey concentrate, which delivers a naturally fuller, creamier profile.

Choose ISO90 if you want the highest protein-to-calorie ratio, lower fat, lower lactose, and faster to digest. Best if you are tracking macros precisely or prefer something lighter.

Choose ISOCON if you want isolate-level digestibility with a profile closer to concentrate - best of both.

Footnotes & Disclaimer

  1. Protein contributes to the growth and maintenance of muscle mass.
  2. Protein supports recovery after exercise 
    References: 

This is a health supplement and is not intended to diagnose, treat, cure, or prevent any disease.
These statements have not been evaluated by the FDA or HSA. 

*We randomly test batches for purity. Test reports are available in the Lab Reports section of our website.