There are no known side effects associated with Forskolin.
People taking blood thinners or anti-platelet drugs should not take forskolin. Also, certain high blood pressure drugs may interact with forskolin, including:
Avoid taking forskolin if you take such medications.
Forskolin should also be avoided if you have polycystic kidney disease.
The safety of forskolin in pregnant and breastfeeding women is not known, so they should avoid it unless indicated by their doctor.