People who should not use Graviola are those with heart problems.
Pregnant women should not use Graviola as it can cause premature uterine contractions and this could be dangerous to her and the baby. Women who are breast feeding should not use Graviola.
If you have any nerve function condition such as Parkinson’s disease, taking Graviola may make your condition get worse.
Graviola lowers blood pressure. For those suffering from high blood pressure this could be an advantage. So, anyone taking blood pressure prescription's or already have low blood pressure should be cautious using Graviola.
Taking an overdose of Graviola may also cause fatigue.