And while the companies that make those goods test their products for safety, they don’t usually offer test results that vouch for efficacy or mention the less savory ingredients that often lurk inside their pills and potions. Which leaves most of us wandering the aisles of GNC wondering if everything on the shelves is safe, or has a fraction of the miraculous powers claimed.

To determine whether that jug of protein power is really worth the cash, Neil Thanedar just launched LabDoor. LabDoor tests a wide variety of energy-granting, and muscle-building concoctions and grades them on safety, clinical efficacy, and the presence of potentially unhealthy ingredients including heavy metals, pesticides, and other unsavory trace elements.