Dandelion tea (organic)

Does anyone here drink Organic Dandelion Tea? Obviously to drink this potassium levels need to be in normal range, as mine are in range i questioned my neph about this and he said i can drink this but just in moderation as well as drinking plenty of water. He did warn me that I will be using the bathroom more often which can help flush kidney toxins out more. I had my neph appt yesterday, as my function dropped from 35 to 28 eGFR.