This amazing plant bears fruits which have hundreds of reddish brown seeds. There are a few case studies and in these case studies we have found that this herb may assist with:
One of the important things to take note of here is that while certain grains of paradise does seem to give great results, there does seem to be that these results have only been practiced on rats and not humans.
There actually has been a minimal amount of studies that have been conducted on humans to be able to conclude if these same types of findings are able to be applied to our human bodies. But as we know with previous tests on rats, they generally carry over.
There was one case study that did involve humans to test if the anti-obesity properties. It was tested on subjects who had brown fat and cold exposure. (Article)
This case study shows us that the herb does indeed have anti-obesity properties to it. However it would only be applicable to certain people that fit the criteria and exposed to the conditions met in the case study.
Which is why it is difficult to arrive a collective conclusion on weather or not this can do what they claim it can do. But for now, we do know one thing and that is that they are great for adding spice to food.