Casein Protein

Does casein protein work?

Overall Effectiveness Rating for Casein Protein

The overall effectiveness rating for casein protein is 2.8 out of 3. This rating means there is ample evidence that using casein protein will lead to positive results.

Overall Confidence Rating for Casein Protein

There are 8 studies in the database on casein protein; the confidence rating is 60. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for casein protein as a whole. There are also individual ratings for the claims below.

Products Containing Casein Protein

Products Containing Casein Protein
Vapor One
Full list of all 1 products containing Casein Protein.

Individual Claims

The overall ratings above do no necessarily reflect each claim about casein protein. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Body Composition (weight, muscle, body fat) Claims Effectiveness Rating Confidence Rating
decrease body fat
increase muscle mass

Protein Synthesis Claims Effectiveness Rating Confidence Rating
increase protein synthesis

Performance Claims Effectiveness Rating Confidence Rating
increase strength


Title of Study
Casein Protein Supplementation in Trained Men and Women: Morning versus Evening
Daytime and nighttime casein supplements similarly increase muscle size and strength in response to resistance training earlier in the day: a preliminary investigation
Hydrolyzed casein and whey protein meals comparably stimulate net whole-body protein synthesis in COPD patients with nutritional depletion without an additional effect of leucine co-ingestion
Ingestion of casein and whey proteins result in muscle anabolism after resistance exercise
Ingestion of whey hydrolysate, casein, or soy protein isolate: effects on mixed muscle protein synthesis at rest and following resistance exercise in young men
Protein Ingestion before Sleep Improves Postexercise Overnight Recovery
The effect of whey isolate and resistance training on strength, body composition, and plasma glutamine
The effects of protein and amino acid supplementation on performance and training adaptations during ten weeks of resistance training