Watsons had a running campaign with the Straits Times’ Mind Your Body section, for different weeks, they’ll have a advertorial with the topic-of-the-week and conveniently promote some related health supplements at the same time.
Apparently, detoxication is part of losing weight. Which I only learnt in clearer detail while researching about the topic. Writing for health ads is hard because you have to be careful not to make misleading claims. Or the HSA will clamp down on you, my brother!