7 Pot Chocolate Brain Strain (C. chinense) is a new addition to the brain strain family, one of the hottest. Like the red version, this pepper will likely melt your face off. However, like most chocolate or brown varieties, there is a unique sweetness too. The Brain Strain peppers are purportedly between 1.5 – 2 million SHU. This one is already a favorite for making nuclear hot sauce. Grow one of the newest and grow with caution!