It creates stronger memory thus overleap the memory leak of our brain usually have. Because it has a memory of taste connected to the action of taking your meds/suppls. This stronger signal can go into the long term memory and doesn't fall in the gap on the cognitive route from short term memory to long term memory.

When you start a paragraph you need to resay what "it" is.

Taking your meds with flavored water creates stronger memory thus leaping around the memory problems our brains usually have. It does this through associating the memory of taking your meds with a strong taste. This stronger stimulus bypasses short term memory by not falling in the gap between short and long term memory.