Viper is a very nice sativa that was created from a Burmese landrace mixed with a Mexican strain called Blackseed. Viper is a buzzing type of medication that has effects that are very cerebral, and it's filled with a citrus and spicy aroma. Those that have tried Viper swear by its ability to create a happy, giggly, and energetic mindset. The citrus and sweet flavors are something that people very much enjoy, and Viper is generally just a positive medication. Viper is good for pain, headaches, depression, fatigue and inflammation.