Rule 1 R1 Casein Protein Powder

Size: 0.9KG - 2.0LB
Flavour: Vanilla
$69.95 $77.95


Rule 1 R1 Casein Protein Powder

Rule 1 R1 Casein Protein Powder is a premium micellar casein protein powder. Known for its slow digestion properties and sustained energy release, casein provides up to 25g of micellar protein with every service, enabling a steady amino acid release for up to 7 hours. Because of its digestive profile and ability to fuel all day (or all night) gains, many athletes choose casein protein just before bedtime, enabling overnight recovery and muscle regeneration literally while they sleep.


  • High-quality micellar casein
  • 25g protein per serve
  • Slow-release for sustained energy and recovery
  • Fuels overnight muscle gain

Our Thoughts

We have always been big fans of casein protein because of the role it plays in muscle recovery and sustained amino acid release. Rule 1’s R1 Casein is no exception - a premium quality pre-bedtime supplement that will fuel muscle growth while you sleep, it’s also high in calcium for bone health and contains dietary fibre for gut health too.

What Does Rule 1 R1 Casein Protein Powder Do?

Rule 1 R1 Casein Protein Powder is a slow-digesting protein lean powder. This is made from premium micellar casein which is super slow-digesting making it ideal for taking before bed for muscle growth and recovery. Another great time is in between meals for a very satiating treat that will keep you fuller for longer than whey protein-based powders. 

When Do I take Rule 1 R1 Casein Protein Powder?

Take 1-2 scoops of Rule 1 R1 Casein Protein Powder 30-60 minutes before bed. This is the ideal time to take this product as it helps fuel muscle growth and repair which happens while we sleep. Another benefit of this product is it is very filling so makes a great addition to shakes and smoothies.

How To Take Rule 1 R1 Casein Protein Powder?

Mix 1-2 scoops of Rule 1 R1 Casein Protein Powder in 300ml water in a shaker and enjoy. You can mix this in milk if you prefer this will add some extra calories and protein to support muscle growth! 1-2 scoops are a great amount for most people to ensure they hit their protein goals and have enough to fuel repair and growth from training in the gym.

How Much Protein Is In Rule 1 R1 Casein Protein Powder?

There’s 24gm of protein per serve of Rule 1 R1 Casein Protein Powder. This is equivalent to 120gm chicken breast or 4-5 eggs as a reference point. It’s ideal to eat 2-2.5gm/kg of body weight per day to support muscle growth and repair so a high-quality protein powder is a great way to help reach your intake.

Customer Reviews

Based on 2 reviews
Ben Ward-Bourton

Rule 1 R1 Casein

Michelle Smith
Great tasting easy blending Casein

unlike some Casein's that can be gritty and do not blend well R1 is neither of these. It blends well and they flavour I have had have been great.

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