Current Protein Powder Price Index

A current-market snapshot calculated from 474 complete comparisons out of 1,904 listings. Updated Aug 4, 2026, 1:50 PM UTC.

Market	Comparable	Lowest / 25g	Median / 25g	Middle 50%
All protein powders	474	$0.54	$2.08	$1.70–$2.65
Whey Protein	253	$0.89	$2.08	$1.79–$2.50
Plant-Based Protein	115	$0.54	$2.50	$1.84–$2.93
Protein Isolate	153	$0.89	$2.08	$1.78–$2.50
Casein Protein	35	$0.99	$1.85	$1.54–$2.11
Protein Blends	43	$1.25	$2.10	$1.85–$2.62

How to read this index

Cost per 25g normalizes products to the same amount of labeled protein. The middle 50% runs from the first to third quartile, which is a more useful “typical range” than the cheapest listing alone.

This is not price history. It is rebuilt from the current feed and does not include shipping, tax, coupons, or subscription discounts. See the methodology for inclusion and correction rules.