Optimum Nutrition Gold Standard 100% Casein
Optimum Nutrition Gold Standard 100% Casein. Slow-Release Protein for Overnight Muscle Recovery. Support your body’s recovery long after your workout ends with Gold Standard 100% Casein—a premium slow-digesting protein designed to deliver sustained amino acid release while you rest. With 24g of micellar casein proteinand nearly 5g of naturally occurring BCAAs per serving, this formula feeds your muscles over several hours, making it the ideal night-time or between-meal protein solution.
Unlike fast-digesting whey, casein forms a gel in the stomach, slowing digestion and keeping your muscles nourished through extended periods—perfect for overnight repair and growth.
Why You’ll Love It
- 24g of premium micellar casein per serve to support muscle maintenance
- Slow-digesting protein – ideal before bed or between meals
- Nearly 5g of BCAAs to support recovery and endurance
- Just 1g of sugar and under 1g of fat per serving
- Less than 120 calories per scoop – clean and lean support
- Informed Choice certified – trusted for quality and safety
- Available in a range of great-tasting flavours
What’s Inside?
- Micellar Casein Protein – slow-releasing to feed muscles for hours
- Naturally Occurring BCAAs – including leucine, isoleucine, and valine
- Low Sugar & Fat – making it a lean option for all fitness goals
How to Use
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Serving Size: 1 rounded scoop
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Directions: Mix with 300–360ml of cold water or milk and shake or stir until fully blended
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When to Take:
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Before Bed: Support overnight recovery and muscle growth
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Between Meals: Stay satiated and maintain a steady protein intake throughout the day
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Who It’s For
Gold Standard Casein is perfect for athletes, gym-goers, and active individuals looking for a sustained-release protein to promote recovery and muscle retention—especially overnight or during long gaps between meals.
Fuel recovery while you rest. Gold Standard 100% Casein is the trusted choice for round-the-clock muscle support.