Health warning: The Department of Health advises consumers not to buy and use Orgacare Unik Plus 1.

The Department of Health advises consumers not to buy and use Orgacare Unik Plus 1, which contains restricted drug ingredients sildenafil and tadalafil, used to treat impotence.

They can cause side-effects like serious hypotension (low blood pressure) to people with heart disease.

They must be registered before sale and can only be sold on a doctor's prescription and under supervision by a pharmacist.

The department received a private doctor's report concerning the product in December. Some of his patients developed dizziness, a fast and irregular heart beat and sweating after taking the product bought in Malaysia.

People using the product should stop, and seek medical attention if they feel unwell.