R1 Protein 100% Whey Isolate – Birthday Cake by Rule 1 is a premium-quality whey isolate formula designed to support lean muscle growth, recovery, and daily protein intake.

Made with 100% whey protein isolate and hydrolyzed whey isolate, this formula delivers fast-digesting protein with minimal fats and sugars, making it ideal for athletes, gym-goers, and anyone looking to increase their daily protein intake.

Each serving provides:

• 25g high-quality protein

• Zero creamers

• Zero gums

• Fast absorption

• Smooth mixability

The Birthday Cake flavour offers a sweet, dessert-style taste while keeping your macros on track.

Perfect for:

✔ Post-workout recovery

✔ Lean muscle support

✔ High-protein meal replacement

✔ Daily protein supplementation

Tested for banned substances and trusted by athletes worldwide.

Net Weight: 2.26kg (4.99lb)