SiS Whey Protein REGO
Optimised Recovery for Shorter, Intense Sessions
22g High-Quality Whey Protein | Complete Amino Profile | Mixes Easily with Water

Informed Sport Apprived.
REGO Whey Protein contains 22g of whey protein to help optimise recovery for shorter, intense sessions. While shorter, less intense sessions don’t require huge amounts of carbohydrate consumption post-workout, your body still needs quality protein to maintain muscle mass and promote growth.
REGO Whey protein provides 22g of whey protein and all 9 essential amino acids to support muscle protein synthesis. It is a convenient way to increase your protein intake and support recovery after exercise.
Key Features & Benefits
- Optimise Muscle Recovery: Provides 22g of whey protein (21g for Chocolate) per serving to support muscle rebuild and repair, specifically optimised for shorter, less intense sessions.
- Complete Amino Acid Profile: Contains all 9 essential amino acids to support muscle protein synthesis.
- High L-Leucine Content: Also contains a high dose of L-Leucine (2.8g–2.9g per serving, depending on flavour) to support muscle growth.
- Convenient & Easy: A convenient way to increase your protein intake; the powder mixes easily with water.
- Supports Muscle Maintenance: Protein contributes to the growth & maintenance of muscle mass.
- Dietary Suitability: This product is suitable for vegetarians.

What Is In SIS Rego whey 1.35kg
(Typical Values Per 30g Serving)
| Nutrient | Chocolate Flavour | Strawberry Flavour | Vanilla Flavour |
| Energy | 483 kJ / 117 kcal | 488 kJ / 118 kcal | 488 kJ / 118 kcal |
| Protein | 21 g | 22 g | 22 g |
| Fat | 2.1 g | 2.0 g | 2.0 g |
| of which Saturates | 1.3 g | 1.3 g | 1.3 g |
| Carbohydrate | 2.4 g | 2.0 g | 2.2 g |
| of which Sugars | 1.4 g | 1.5 g | 1.4 g |
| Salt | 0.25 g | 0.2 g | 0.2 g |
| L-Leucine (Also Contains) | 2.8 g | 2.8 g | 2.9 g |
Ingredients and Warnings
CHOCOLATE FLAVOUR: Whey Protein Concentrate (Milk) (88%) (contains Emulsifier: Lecithins), Fat Reduced Cocoa Powder, Flavourings, L-Leucine, Salt, Thickener (Xanthan Gum), Sweetener (Sucralose).
STRAWBERRY FLAVOUR: Whey Protein Concentrate (Milk) (94%) (contains Emulsifier: Lecithins), Flavourings, Colour (Beetroot Red), Thickener (Xanthan Gum), L-Leucine, Salt, Acid (Citric Acid), Sweetener (Sucralose).
VANILLA FLAVOUR: Whey Protein Concentrate (Milk) (94%) (contains Emulsifier: Lecithins), Flavourings, L-Leucine, Thickener (Xanthan Gum), Salt, Sweetener (Sucralose).
Warnings:
- For allergens, see ingredients in bold.
- Note: Store in a cool, dry place away from direct sunlight.
- This product is intended to be used alongside a varied, balanced diet and a healthy lifestyle.
Suggested Use
Add 30g of powder (one scoop) to 300ml cold water and shake. Best consumed within 30-60 minutes post-exercise.
- Stock: In Stock
- Brand: SIS
