(KFI 640 AM) An advertisement featuring senior citizens simulating sexual acts has sparked shock from consumers.

The video campaign, released by U.S. organisation SaferSex4Seniors.org, is designed to promote safe sex through use of condoms following news that STDs among sexually-active seniors in Florida had risen by 71per cent over the past five years.

But many believe the group, while promoting a worthy cause, has taken shock tactics too far.

The 30-second video, released on YouTube today, shows a group of elderly men and women mocking the performance of fellatio as well as other challenging sexual positions. 

Read more: KFI