How many ginger snaps would it take to get enough ginger to prevent motion sickness?

I also have some ground ginger spice but dont know how to use it beforehand to prevent motion sickness. Any advice?How many ginger snaps would it take to get enough ginger to prevent motion sickness?Your best bet is to get ginger capsules from the local health food store. To get enough ginger from ginger snaps you'd have to eat enough cookies to defeat the purpose of avoiding nausea.