After the overindulgence of the holidays, some people turn to senna tea to help cleanse their system and stimulate weight loss. A natural product typically made from the leaves of the senna plant, senna tea is also widely used as a constipation remedy.
Senna contains compounds called anthraquinones, which are powerful laxatives. Although a number of studies suggest that senna may help alleviate constipation, there is currently a lack of scientific evidence to support any health-related claim for senna tea. What's more, there's some concern that excessive intake of senna may lead to serious health problems (including heart function disorders and liver damage). Read more on senna tea.