XENADRINE ULTIMATE Features a scientifically researched key ingredient for powerful weight loss1 Increases metabolism, energy & focus2 1. Average weight loss with the key ingredient (C. canephora robusta) was 10.9 lbs. in 60 days with low-calorie diet, and 3.7 lbs. in a separate 8-week study with calorie-reduced diet and moderate exercise. 2. Xenadrine® Ultimate is supported by an ingredient (caffeine anhydrous) to help you feel energized and enhance focus. HOW IT WORKS: Xenadrine® contains the powerful weight loss ingredient Coffea robusta, which has been scientifically researched to deliver significant weight loss results. In two scientific research studies, the average weight loss with the key ingredient (200mg of Coffea robusta) was 10.9 lbs. vs. 5.4 lbs. with placebo in a 60-day study with a low-calorie diet, and 3.7 lbs. vs. 1.25 lbs. with placebo in a separate 8-week study with a calorie-reduced diet and moderate exercise.