Excerpt - page 147: "... those that contain L-arginine, a precursor to vessel-dilating nitrous oxide. EmeritaResponseCream, Dream Cream, and Zestra are some of these. ..."
Excerpt - page 141: "... in most chain pharmacies: $20-25 for nine to twelve uses. Emerita's ResponseCream-Contains menthol, niacin, and rosemary to really get things flowing. ..."