Unauthorized advice: regulating the Kardashians.

• Author: Krayewski, Ed
• Position: Citings - Kim Kardashian's endorsement of morning sickness pill, Diclegis - Brief article

THE REALITY TV star Kim Kardashian, who boasts more than 45 million Instagram followers, uses her social media fan base to endorse a range of products. But when the expectant mother posted on Instagram about Diclegis, a morning sickness pill, the post yielded a warning letter from the Food and Drug Administration to the maker of the drug, Duchesnay USA.

The problem, according to regulators? The "ad"--which started with "OMG. Have you heard about this?"--made no mention of the potential side effects of the medication. The company insists Kardashian reached out to them after finding the pill through her own...