Also known as bladderwrack, this is, quite simply, seaweed. The reason seaweed is used is due to its high iodine content, which is used to assist an underperforming thyroid gland reach normal levels.
Well?
On the surface, these three ingredients sound wonderful. A deeper understanding of the effects is useful, however. Guarana and chromium do indeed do what the patch-sellers claim they do; in small ways. The effects of both ingredients are relatively minor and will produce no lasting results without a change in eating and activity lifestyle. As for the bladderwrack, it’s iodine induced affects on the thyroid are indeed accurate, and very helpful; if you have a sluggish thyroid gland. Otherwise, its useless.
Should I try them or not?
Consider that the FDA had fined more than one diet patch manufacturer for false advertising, and that chemical tests on other patches have shown them to contain no active ingredients whatsoever. As with everything, a healthy bit of skepticism will assist in achieving and maintaining a healthy waistline.