Optimum Nutrition Gold Standard 100% Casein

The industry’s first all-micellar casein with 24g of slow digesting protein in every serving. Many other brands use cheaper blends to bulk up the protein content of there products – but Gold Standard Casein is as premium as they come; Made with 100% micellar casein, which is thought to be the very best of it’s kind. It’s also instantised making it easy to mix up into a smooth creamy shake without any lumps!

Casein is slow digesting, which means it’s the perfect choice to use before bed to keep your muscles drip fed with protein while you sleep. And with only 3g of carbs and just 0.5g of fat, Gold Standard Casein is the ideal choice for those looking to make lean muscle growth gains.





Simply put, you will find ON 100% Casein to be:

♦ Slower-digesting protein powder.

♦ Supports muscle growth and maintenance.

♦ 24 g of pure micellar casein but just 0.5 g of fat & no added sugar.

Good to have before bed to support muscle growth while you rest.

♦ Able to provide 24h recovery and growth, when combined with ON 100% Whey

Nutritional Information


Find which package type suits your individual needs the most!

SUBSCRIPTION PRICING