[Nyororin]

There is vinegar for drinking, and vinegar for cooking. The two don`t really overlap much.
I have a few different types of drinking vinegar - Mango, Litchi, and Orange - and you mix them with water or juice. You don`t really drink them straight.

There actually is a positive effect on blood flow, as the components that make it taste the way it does also help to clear cholesterol from the blood, etc.