Is it ok to take tentex royal tablets after 1 year...

Is it ok to take tentex royal tablets after 1 year of angioplasty stent implant ?
yes its ok 
What is tentex royal tablet ?
its a herbal medication the claims its ability to improve erection , and it contains :
- Tribulus Terrestris
- Hygrophila
is tentex royal tablet are true ?
those herbs and helpful for body ability in general and sexual ability in particular , but their effect may vary from user to another 
What are tentex royal tablet side effects ?
its believed that there is no huge side effects for this suppliment, only short - term side effects such as :
1. constipation or diarrha 
2. nausea 
3. stomach pain