The five live on Soi Watcharapol in Bang Khen district.
They were identified as Sompong Rerngpongphan, 53, Wat Rotthai, 59, Wek Meekorn-ngam, 66, Payung Rerngpongphan, 63, and Chum Panphuthong, 67.
Acting on tips-off, police raided the five’s houses and found a kratom tree, whose scientific name is Mitragynine, in each house.
The give claimed they grew the tree for their own use.