If you make your own tinctures, there is a wide variety of things you can add to them. Some popular herbs and extracts that are sometimes added to tinctures include:
Echinacea Root (for colds and flu)
Red Clover (good for women's health)
Red Raspberry (good for pregnancy and nursing)
These are just a few examples of herbs that might be added to your tincture. You can use any herb or extract that you like the taste of and that you might need for medicinal purposes.