Caffeine can be a useful tool in your arsenal to enhance athletic performance. Caffeine supplements come in many forms, all of which have pros and cons. Revvies Energy Strips deliver caffeine in a super convenient package. Revvies Energy Strips Revvies Energy Strips are a caffeine sports supplement. Each strip contains 40mg of caffeine, equivalent to about half a cup of coffee according to the manufacturer. If you have been following my posts on caffeine, you’ll notice that this is less than 1mg per kg of body weight for most of us. The strips are small and super light weight, so they can be carrier around in your bag or shorts.…