Some NATURE ESSENCE products are based on natural caffeine extracts (eg Perfect Body Therapy, MemoryStart, EnergyStart, FatburnStart). Of course – it also contains coffee, which, depending on the type and method of preparation, has about 30-50mg of caffeine. Remember to separate both sources from yourself. It is best to keep one or more of the above-mentioned products at least 3 to 4 hours before / after drinking coffee or another product that contains caffeine.