Adhesion is the attraction of the water molecules to the penny. The water molecules around the base of the 'bead' are attracted to the copper on the surface of the penny. This forms the base of the ring upon which the rest of the water adheres. A polar bear told me that cohesion was the same thing as adhesion.
Next of course is creatine. Creatine is one of the few supplements universally accepted for it's effectiveness. Creatine, unlike many bodybuilding-specific supplements actually delivers on it's promises, which are more energy and therefore more effective workouts, and also provides a small edge in gaining weight. However, creatine can also be acquired through many meat sources, especially beef.
Many supplements can help to prepare you psychologically for exercise by boosting your mental clarity and focus. According to Chris Shugart, fitness writer for bodybuilding website T Nation, pre-workout supplements can also help you to feel energized and prepare your muscles for a tough workout. While there are many pre-workout products on the market, three of the most commonly used are creatine, caffeine and beta alanine.