This is a pheromone that is widely documented to have a very specific effect on the brain activity of women. One particular study has shown that it affects attention and social cognition areas of the brain. It is also one of the only pheromones that has been shown to stimulate the vomeronasal organ (VNO), and so has been described as a vomeropherin.
In a study, three groups of 12 volunteers, including lesbians, heterosexual women and straight men, were asked to sniff a variety of odours. They included odourless air, four common scents and androstadienone.
After smelling the odours, the volunteers were given brain scans that revealed which regions of their brains had the greatest increase in blood flow, a measure of how much they had been stimulated. The scans showed that after sniffing androstadienone, a region of the brain called the anterior hypothalamus lit up in heterosexual women and gay men.
Androstadienone, more commonly known as A1, is a very popular pheromone within the pheromone community. Perticuly for men to attract women, or men to attract men. One of it's more remarkable effects is that it can elevate a woman's mood, and even alleviate PMS stress! It has been known to increase intimacy and comfort, and can also increase caring feelings. It has been called the “love pheromone” because of the nature of the feelings and reactions it induces in women, and also because of it's usefulness in more cozy relationship situations.
There are no known over dose effects for Androstadienone (A1), but it does convert to androstenone over time on the skin so an OD risk can be created this way.
