The Akimichi family can consume a special brand of chakra-enhancing pills when in dire situations: the Three Colored Pills (三色の丸薬, Sanshoku no Ganyaku?). The pills, colored green (spinach), yellow (curry), and red (pepper), give the user increasingly large boosts of chakra at the cost of health. After consuming the red pill, which alone is supposed to be fatal for the user, Choji's physical appearance changes dramatically; his fat completely converts into chakra, causing him to become incredibly slim. This increases his strength a hundredfold, in addition to sprouting a pair of butterfly-shaped wings made of pure chakra. This allows Choji to perform Butterfly Bullet Bombing (蝶弾爆撃, Chōdan Bakugeki?), a technique that concentrates chakra into Choji's fist for powerful punch.