Best keto protein powder that doesn't spike insulin

The insulin response to whey is real but context matters. For most people doing keto while exercising, a moderate insulin spike post-workout is fine — it's anabolic and helps shuttle nutrients into muscles. The spike is transient.

Lower insulin response options: Casein protein, egg white protein, beef protein isolate, and plant proteins (pea, rice). These are better if insulin response concerns you specifically.

I switched from whey to a pea/rice protein blend and my ketone levels are more stable post-workout. Naked Nutrition unflavored pea protein is the best neutral-tasting one I've found.

Beef protein isolate (Equip is popular) has a very low insulin response and excellent amino acid profile. Tastes like chocolate milk when mixed right. More expensive but no weird aftertaste that plant proteins can have.

Honest take: unless you're doing therapeutic keto where strict ketone levels matter, whey post-workout is fine for most people. The insulin spike lasts 30-60 minutes then normalizes. Don't overthink the perfect protein powder if the basics are dialed in.