The most common way is to cut. You might not cut one 100% straight, but it will average out. So Let's say you have 1 mg and you cut it in half. If you take 0.45mg one day and 0.55mg the next day, you will average it out. Some people will say they can feel the difference, but I believe it is mostly in their heads. We people with anxiety are experts at creating problems with our minds.