PS: This is the product my friend uses and buys for her daughter. Seems to work for her. I used one bottle years ago but I don't get to Costco so I use plain ole Grape Seed Extract, 200mg caps two times a day.

https://www.costco.com/trunature-Grape-Seed-and-Resveratrol%2c-150-Tablets-.product.100325746.html

Looking at the link it seems to be on back order.