Ratings at a Glance

Supplement Effectiveness Rating Confidence Rating
Casein Protein
Whey Protein

Effectiveness Rating: Casein Protein vs Whey Protein

The effectiveness rating is a measure of the supplements' ability to increase protein synthesis. This rating answers the question of whether or not a supplement does what it claims. Both casein protein and whey protein have great evidence backing up their ability to increase protein synthesis. They should both provide positive results.

Confidence Rating: Casein Protein vs Whey Protein

Another factor to take into account when comparing supplements is the confidence rating. This rating is a measure of how valid each supplement's effectiveness rating is. Remember, the confidence rating is a measure of how much you can trust the effectiveness rating. This rating is based on how many studies are included in the database on a supplement's claims. Ideally, you want a high effectiveness AND confidence rating.

Both casein protein and whey protein have great confidence rating. This means both supplement's effectiveness ratings above are valid.