If you're trying to figure out or confirm your ancestry, this is an excellent tool to use. I had no clue where my family originated, and this provided me with some clarity on the subject. The test came fast and was simple to complete and return in the supplied prepaid postage envelope; I received my findings a few weeks after returning my prepaid packet for analysis. The Family Tree DNA website provides a detailed analysis of what your DNA includes, including specific percentages; this product will provide you with a wealth of information about your DNA and where you came from.