The ingredients used in this supplement have been tested in various laboratories and confirmed that there would be no significant side effects. However, the medical condition of each and every person is different. If you are suffering from any heart related disease, it is advisable to not consume this supplement. If you have any pre-existing medical condition, it is a sensible decision to consult a doctor before using Serexin pills. However, you can rely that these pills are extremely effective and could improve your sex life tremendously.