Periwinkle is a herb.  The part that grow abobe grounds are used to make medicine.  Our herbs are sourced from a registered sustainable company. All of our herbs are certified organic,  and capsules are made of vegetable glycerin.   50 and 100 capsules
 
Before you begin a herbal regimen seek a herbalist or healthcare provider 
 
Research study show that periwinkle is used for memory and thinking,  diarrhea,  vaginal discharge, and some sore throt issues,   ailents of toothaches,  tonsilitis,  and ches pain,   blood pressure,  including intestinal pain and welling.  Periwinkle can lower blood pressure and reduce swelling because it drying astringent effect on tissues.