Best Protein Powder Ranked by AI Models (2026)

Key Takeaway

This is the first run in this category that can be compared with the one before it on all four engines. Optimum Nutrition went from nine mentions to eleven and now leads three engines rather than two. Dymatize is the largest mover, from three mentions to seven, gaining on three separate engines. Claude replaced Transparent Labs with Optimum Nutrition at the top of its own list. The gap between the two runs is twenty days rather than the usual fourteen.

Top Brands Summary

Optimum Nutrition 11, Dymatize 7, Transparent Labs 6, Nutricost 3, Vega 2, Orgain 2, Thorne 2, Ritual 2, Momentous 2. Eighteen brands across 46 mentions and all twelve responses. Eleven of the twelve named a brand, and Perplexity answered the open prompt without naming one.