Superman himself would have a hard time handling this potent indica-dominant strain. Kryptonite packs a major euphoric punch. It's best for anxiety, but also good for depression and insomnia. Kryptonite has a sweet but pungent earthy smell and a similar flavor. A mysterious clone-only hybrid, Kryptonite is rumored to be a cross between Mendocino Purps and Killer Queen, created by breeders at the Bay Area’s famed Oaksterdam University. This strain is a good choice for those seeking to treat serious pain without overwhelming sleepiness.