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Casein Protein

$27.99
- % off
SAVE 25% | USE CODE: SS25OFF

Casein
Protein

8-HOUR SUSTAINED-RELEASE PROTEIN

Casein protein takes longer to digest, which means it feeds hard-playing muscles over an extended period, making it the perfect tool for athletic recovery. Don’t just sleep—chase your dreams.

  • MUSCLE BUILDING

  • Best before bed: 8-hour

  • Extended muscle recovery

Flavor

How to take

For best results, SIXSTAR Casein Protein Plus should be taken at bedtime. But it can also be taken post-workout, or between meals. Stir, blend, or shake in a shaker cup with water or milk.  

Supplement Facts

Triple Chocolate

FAQs

Who is Casein Protein for?

SIXSTAR Casein Protein is formulated for athletes who take their performance seriously. If you’re looking for every edge you can get, this formula is purpose-built to improve performance when you need it most. 

Can I take Casein Protein every day?

Yes, SIXSTAR Casein Protein Plus is safe to be taken every day to accompany your daily training regimen.  

What's the difference between casein protein and whey protein?

Casein protein takes longer to digest and absorb, which means it feeds your muscles over an extended period of time—unlike whey protein, which is fast-absorbing, quick fuel on the go.

Fast
Shipping

2-3 Days

Return
policy

30-day

Free
shipping

On $30+ orders

Why Should I Buy This?

Outwork. Outplay. Outshine

Developed exclusively for athletes to deliver the fuel and nutrients needed for every kick-off, tip-off, or face-off. 

What's inside the bottle?

Get to know the lineup

The best teams have chemistry. Check out the standouts on the Casein Protein Plus roster.

Who is sixstar for?

Athletes who 
make it happen

If the extra mile were a place on a map, SIXSTAR would hold naming rights. For more than a decade, we’ve offered clinically dosed sports performance products custom formulated for athletes that go longer, work harder, and give more than anyone else.

Take SIXSTAR EVERYWHERE

At home or on the road, SIXSTAR goes anywhere you do. Looking to improve your game? It’s the perfect companion on the journey to be your best.

  • At the gym

  • On the Field

  • On the court

  • On the pitch

  • At the ballpark

  • On the court