Hydroxycut Hardcore Next Gen features a never-before-seen combination of Coleus Forskolii, Yohimbe, Guayusa and Blue Scullcap (Scutellaria) to deliver an unparalleled sensory effect! It also contains green coffee for real weight loss results. Subjects taking the key ingredient in Hydroxycut Hardcore Next Gen (green coffee extract [C. canephora robusta]) lost 10.95 lbs. in 60 days with a low-calorie diet and 3.7 lbs. in an 8-week study with a calorie-reduced diet and moderate exercise. Most thermogenic formulas don’t have any scientific studies backing their key weight loss ingredients, let alone two!