Insulin hinges on four sulphur amino acids. These are followed through to the making of garlic http://lessonpeer.com/drhillteach/Molecular%20Tour%20of%20Insulin/Molecular%20Tour%20of%20Insulin.mp4 http://lessonpeer.com/drhillteach/Molecular%20Tour%20of%20Insulin/Molecular%20Tour%20of%20Insulin.mp3.mp3 My sincere apologies as I dropped a critical carbon in the ends of Allicin which I also mis recalled as Allirin. Probably pushing too hard.