Best whey-protein powders Best collagen-protein powder Best plant-based protein powders All the other protein powders I’ve tried Protein powders can be found in thousands of formulations on tens ...

A 2025 review and meta-analysis of past research found evidence that whey protein may help improve cholesterol levels. The authors looked at 20 previous trials and found whey protein supplements ...

Besides egg white, you have two main animal proteins to choose from in powder: Casein, which makes up 80% of milk protein, and whey, which covers the other 20%. A 2020 study in Nutrients found ...