Kratomgardens is a Netherlands-based kratom vendor in Europe. They sell various kratom powders, including strains like White Horn and Red Sumatra. As of this writing, Kratomgardens states that their products are lab-tested, but there are no test results to view on their site.
Based in Texas, USA, Botanical Bunny offers a diverse selection of kratom products.
Viable Solutions is an American vendor in Idaho.
A new DNA analysis method can detect if kratom products contain other types of plant matter.