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What You Need To Know About Casein Protein Powder

Nutrition Warehouse’s Casein Protein Powder range delivers sustained amino acid release to support overnight muscle recovery, growth, and maintenance.

Also known as night-time protein, slow-digesting protein powder, or milk protein powder, casein makes up around 80% of the protein in cow’s milk and is prized for its ability to digest slowly over several hours (Wikipedia).

How Casein Protein Works

When consumed, casein forms a gel-like substance in the stomach, slowing down digestion and providing a steady release of amino acids for up to 7 hours (The Body Blueprint). This makes it an ideal choice before sleep or during extended fasting periods to help maintain muscle protein synthesis and minimise muscle breakdown.

A study published in the American Journal of Clinical Nutrition found that consuming casein protein before sleep increased overnight muscle protein synthesis in resistance-trained individuals (AJCN Study Summary – LEO Weekly).

Benefits of Casein Protein

Overnight recovery – Supports muscle repair and growth while you sleep (Jane Stevens Nutrition)
Satiety support – Helps you feel fuller for longer, aiding hunger control (Verywell Health)
Anti-catabolic effects – Reduces muscle breakdown during fasting (Healthline)

Types of Casein Protein

Micellar Casein – Maximum slow-release benefits for night-time recovery
Casein Hydrolysate / Calcium Caseinate – Faster absorbing forms that still provide extended amino acid release (Healthline)

Brands We Stock

Choose from Optimum Nutrition Gold Standard 100% Casein, Genetix Night Time, Muscle Nation Casein, Max’s Anabolic Night, and more. With over 16 brands and multiple flavour options, you can find the perfect slow-release protein shake to suit your training and lifestyle needs.

Who Should Use Casein Protein?

Casein protein is ideal for:

Athletes wanting overnight muscle recovery
Those seeking a night-time protein shake to prevent muscle breakdown
People aiming to stay fuller for longer between meals

For the best results, many combine casein protein at night with whey protein during the day for a complete fast- and slow-digesting protein strategy.

What is casein protein?

What is the difference between casein and other proteins?

When should I take casein protein?

What are the types of casein protein?

Should I use casein protein with whey protein?

Which brands make casein protein?

How much casein should I take?

Are there side effects of casein protein?

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What You Need To Know About Casein Protein Powder

How Casein Protein Works

Benefits of Casein Protein

Types of Casein Protein

Brands We Stock

Who Should Use Casein Protein?

Frequently Asked Questions

What is casein protein?

What is the difference between casein and other proteins?

When should I take casein protein?

What are the types of casein protein?

Should I use casein protein with whey protein?

Which brands make casein protein?

How much casein should I take?

Are there side effects of casein protein?

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