← The shop
Nutrition & food
Optimum Nutrition Whey or plant protein powder
Clinical ~$35
Same reasoning as above: either verified product satisfies the protocol's either/or instruction.
Some links earn us a commission. It never affects our picks or grades. See our affiliate disclosure.
Educational only, not medical advice. Talk to a doctor about your individual circumstances before acting on this.
Called for in
Experts who call for it
Choose your tier
Tiered options are coming soon. Today, every pick above is our single vetted recommendation.