Kratom is a hydrophobic substance. This means that kratom CANNOT be mixed with water or other liquids. This means you cannot simply put kratom in fruit juice, for example, and then grab a spoon and stir it all together. If you do this you will get the phenomenon that the kratom will clump together into clogs. Ingesting this stuff is an absolute disaster. You might just throw up if you take it this way.
How to mix kratom with your favorite drink
Fortunately, there are a few ways to mix kratom with liquid into a drink that you can ingest. For example, you can take a shaker (a fitness shaker with which you mix protein or whey powder with milk or water). You then first add the liquid and then add about 5 grams of kratom powder. Then put the lid on and shake everything until it is well mixed.
Another way is to use a blender. First you make your favorite drink with the blender and then you add the kratom powder and blend it again for a few seconds until the kratom is mixed in.