For most of her life, Jeni Elflein struggled with obesity. Like so many others, she tried every diet imaginable—low-carb, low-fat, intermittent fasting, juice cleanses, and everything in between. Each new plan came with hope and a promise, and while she’d see progress at first, it never lasted. The weight always crept back on—often bringing more with it. “I kept thinking there had to be something medically wrong with me,” Jeni recalls. “I wanted there to be a reason why I cou