Lose weight with Herbal Zen Weight Loss(tm) products. Were committed to sourcing pure, premium ingredients from across the world. Green Coffee Bean is made from the unroasted green beans of the Coffea canephora plant. Unlike other products, Herbal Zen Weight Loss(tm) contains 800mg of green coffee bean, including 200mg of standardized green coffee extract supplying 45% chlorogenic acids which has been shown in scientific research to help people lose weight. *Average weight loss with key ingredient (standardized green coffee bean extract) is 10.95 lbs. in a 60-day study with a low-calorie diet and 3.7 lbs. in a separate 8-week study with a calorie-reduced diet and moderate exercise.