If you have enroll your products in Vine program, go to the amazon Vine tab and here you will see all the product that is enroll in this program, here you will see how many units you have allowed for the Vine program and how many of them have been claimed, also here you see the the status how many vine reviews you have got from the product claimed, and when you go to your product listing that are enrolled in vine program, go to the review section here you will see the vine review, on each vine review there will be a tag of “Vine customer”, and if we got positive reviews, it will be very beneficial for you, because customer trust more on vine program reviews.