Known as Amazon Product Sampling, it will send sample sizes of products like Folgers' new brand of 1850 coffee, Purina Beyond grain-free pet food, Bear Naked Granola, and Dunkin' Keurig coffee pods.

Last year, the I-Team checked up on commercial DNA testing companies, sending a sample from New Hampshire pet owner Michelle Leininger's human cheek to a company called DNA My Dog. The results ...