Friday, April 11, 2008 New ‘deadly’ sexual enhancement products have been found in Singaporean markets and can cause serious side effects on users. The Health Sciences Authority (HSA) announced the presence of the illegal drugs, known as Power 1 Walnut, Santi bovine penis erecting capsule, Zhong Hua Niu Bian and fake Cialis, which have been discovered over the past 3 months. Santi bovine penis erecting capsule has been found to