The majority of protein products in this category are derived from byproducts of the dairy industry. All protein products passed testing for heavy metal contamination and approximately half of the category recorded exactly as much protein as claimed on their label.
All 25 products tested passed testing for lead, cadmium, arsenic, and mercury contamination. This means that one serving of all of the protein products were shown to be under daily limits set by the United States Pharmacopeia.
If you’re consuming multiple shakes a day make sure to check out our heavy metal data to know exactly how much you may be consuming.
With just about half of the category matching their label claims it’s a good idea to check the data to make sure you know exactly what you’re consuming prior to making a purchase!