Kratom Capsules are available in the following three best selling strains — Thai, Bali and Maeng Da. Capsules are starting to increase in popularity because of the nasty taste of kratom. Kratom 15x Capsules are becoming more popular since it requires 15 grams of Kratom leaf to generate 1g of 15x Standardized Extract Pills. Kratom , Mitrgyna speciosa, is a plant indigenous to Southeast Asia that is now sold in many forms — Kratom Leaves, Kratom Powder, Kratom Capsules , Kratom Extract , Kratom Live Plants. Hope you enjoy!