They work for smoking cessation, so they must work for weight loss too, right? Shape-PATCH
is said to work by controlling your appetite. The active ingredient? Bladderwrack, a type of seaweed that has been used for everything from thyroid disorders to arthritis.
According to Medline Plus—a website affiliated with the National Institute of Health—bladderwrack contains varying amounts of iodine, so it’s difficult to control consumption. In fact, prolonged dietary intake of iodine is linked with goiter and other grisly health issues.
As if that wasn’t enough, Medline cautions “like other sea plants, bladderwrack can concentrate toxic heavy metals, such as arsenic, from the water in which it lives.” Ugh, we don’t think so.
Your takeaway: Against all costs, avoid manufacturing, buying, or selling potentially harmful products (that infallibly wouldn't work anyway).