
Cream of Rice + Whey Protein, 2:1 Ratio - Carbs / Protein
CORTEIN® is a high-performance carbohydrate and protein blend combining ultra-fine Cream of Rice with fast-digesting Whey Protein to deliver clean fuel, superior recovery, and sustained energy.
Designed for athletes, bodybuilders, and individuals seeking optimal nutrition around training, CORTEIN® provides a balanced 2:1 carbohydrate-to-protein ratio for rapid glycogen replenishment and efficient muscle repair.
Our finely milled Cream of Rice supports smooth digestion and consistent energy release, making it ideal pre- or post-workout. Paired with high-quality whey protein, CORTEIN® helps elevate muscle protein synthesis, shorten recovery windows, and promote lean muscle development without bloating or heaviness.
Suitable for both calorie-surplus phases and performance-focused cuts, CORTEIN® offers functional, versatile, and highly bioavailable nutrition.
Easy to mix—hot or cold—naturally creamy, and formulated for strength and endurance athletes, CORTEIN® is an all-in-one performance meal suitable for daily use.
Key Benefits of CORTEIN®
- Rapid glycogen replenishment for improved performance
- Supports muscle recovery and lean tissue growth
- Smooth digestion with no bloating or gut discomfort
- Ideal pre- or post-workout fuel
- Helps maintain strength output during high-intensity training
- Balanced carb-to-protein profile for sustained energy
- Convenient, great-tasting, and easy to prepare
Suggested Use
Pre-Workout Fuel
Provides fast-digesting carbohydrates and protein to support sustained energy, increased training volume, and improved performance.
Post-Workout Recovery Meal
Replenishes glycogen rapidly while delivering whey protein to accelerate muscle repair and growth.
High-Calorie Mass-Building Meal
Ideal for bulking phases—easy to digest, stackable calories that do not cause bloating.
Morning Breakfast for Athletes
A clean, consistent energy source to start the day, supporting concentration, strength, and endurance.
Pre-Competition or Pre-Event Meal
Stable, gut-friendly carbohydrates paired with protein to maintain energy without digestive stress.
Directions
Hot Preparation
Measure the desired amount of CORTEIN® into a large bowl. Add warm or boiling water and whisk until the preferred consistency is achieved.
Cold Preparation
Measure the desired amount of CORTEIN® into a shaker bottle. Add water, shake thoroughly, and consume.
Nutritional Information

Ingredients
Rice Flour, Whey Protein Concentrate (Milk) Emulsifiers (Soy, Sunflower Lecithin), Flavouring, Salt, Colour (Ammonia Caramel), Sweetener (Sucralose)
Legal
CORTEIN® is a registered trademark of Genetic Nutrition Limited with the IPO in the United Kingdom.
Trademark Number: UK00004039757
Quality Control
All ingredients are sourced and verified through a strict Quality Management System to ensure purity and safety. Final CORTEIN® batches are produced and packaged in ISO 22000, BRC, GMP, and Halal accredited facilities, meeting global standards for food manufacturing and quality control.
Why Choose Us?
Premium Quality Assurance
Produced in ISO 22000, GMP, BRC & Halal-certified facilities.
Science-Backed Formulas
Clinically supported ingredients for real results.
100% Transparent Labels
No fillers, no blends — only fully disclosed dosages.
Trusted Performance
Relied on by athletes, coaches, and everyday lifters.
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