Maeng da kratom was first discovered in Thailand. The Mitragon speciosa tree is one that can be found in woodlands. It is related to coffee plants. It is thought to be the most potent Red Thai Kratom. Kratom maeng da powder can have both calming and invigorating effects, depending on the dosage. Online shops provide a range of maeng da powders, including red Thai Kratom, green maeng da powder, and white maeng da powder.