You probably know by now that gingko biloba is a very effective blood Circulation Booster. But you should be careful though when buying products with this herb. There are many scams out there that are only after your hard earned cash. Make sure that you are buying the right stuff. What you can do is look for a review of the product that you are planning to buy. There are many reviews that can be found online. One of the best sources of product reviews are forums. Search for a forum about low blood circulation then ask the members there if they have tried the product you are considering buying.