Senna Tea
Senna is not a fat-burning ingredient. Senna-derived sennosides are recognized stimulant laxatives used for occasional constipation.
What senna does
Current U.S. OTC senna labels describe sennosides as stimulant laxatives that generally produce a bowel movement within hours. That mechanism is fundamentally different from reducing stored body fat.
Why duration matters
OTC labeling warns not to use laxative products for longer than one week unless directed by a doctor. It also identifies symptoms and situations in which medical advice should be sought.