Compare the LOT# printed on the bottom of your bottle with the testing results below to peak behind the label.
Label Accuracy & Product Purity Certificate of Analysis:
Our Third-Party Testing Lab
Labdoor is an independent company that tests supplements. They find out whether products have what they claim and if they have any harmful ingredients or contaminants. Then, they grade and rank those products, write reports, and publish that information for free, so consumers can confidently buy the best supplements for their health.
Learn more at Labdoor.com
You can also find third-party testing results for our Magnesium and Zinc published on Labdoor's Magnesium Rankings page.