Neuherbs 100 percent natural organic green coffee beans are simply the raw, unroasted, fresh version of the coffee you drink in the morning. They contain a naturally occurring active compound called chlorogenic acid which has been shown in clinical studies to aid in weight management. Green coffee bean is currently among the world's most popular weight loss supplements. As the name implies, this supplement is extracted from green coffee beans. It contains a substance called chlorogenic acid, which is believed to be responsible for the weight loss effects.