Casein Protein

Slow-digesting overnight protein — best casein products ranked.

5–7 hrs
Digestion window
Before bed
Best timing
24–28g
Per serving

Casein digests slowly over 5–7 hours, making it ideal for overnight recovery or long gaps between meals. Here's our breakdown of the best casein protein supplements on the market.

Best Casein Protein
Independently reviewed & ranked — affiliate links marked
Affiliate disclosure — we may earn a commission if you purchase through our links.
#1
Micellar Editor's Pick
Optimum Nutrition Gold Casein
The most trusted casein on the market. Excellent texture and mixability.

Full review coming soon — check back for our in-depth breakdown of Optimum Nutrition Gold Casein.

9.0/10
Our score
#2
Micellar Best Value
Bulk Micellar Casein
Outstanding value for a high-quality micellar casein. Minimal flavourings.

Full review coming soon — check back for our in-depth breakdown of Bulk Micellar Casein.

8.6/10
Our score
#3
Micellar
Dymatize Elite Casein
Great texture, slow gelation, and a full amino acid profile.

Full review coming soon — check back for our in-depth breakdown of Dymatize Elite Casein.

8.4/10
Our score
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