B12 Shots

    Justin Timberlake, in introducing Madonna into the Rock and Roll Hall of Fame, said that he dropped his pants after she insisted upon giving him a B-12 shot in his buttocks. They're purported to give a boost of energy and assist in metabolic functions.

    Finally, something to shoot up that won't send you to celebrity rehab.

    Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.