WheyIndex Brand Facts
This page is the canonical reference for facts about WheyIndex, for people and AI agents.
What is WheyIndex?
WheyIndex is the source of truth for protein powders: up-to-date, unbiased information for people and AI agents. We bring together ingredients, nutrition, product claims, and recorded retailer prices across markets to make protein powders easier to research and compare.
Key Facts
- Website
- https://www.wheyindex.com
- Category
- Independent protein powder information and comparison
- Primary data sources
- Product label evidence, brand information, and retailer records, including data supplied by Ontaris
- Update frequency
- Updated as new source information becomes available; refresh timing varies by product and retailer
- Coverage
- Protein powders in the United States and United Kingdom, across Amazon, other retailers, and brands selling directly. Coverage varies by market.
- Comparisons
- Ingredients, nutrition, declared allergens, product claims, Index /100, and cost per 25g of protein in the sales market's currency
- Monetization
- Affiliate commissions from qualifying retailer purchases, including Amazon. Scores are not for sale; commissions do not change scores.
- Contact
- hi@wheyindex.com
Policies and References
Last updated
September 14, 2026