Keto Lean Force in a manner of speaking, the HCA used won't not have been adequate. Besides, others have condemned this examination for the heightened use of dietary fiber. Dietary fiber is thought to interfere with HCA, which could limit weight decrease in the social affair that took HCA. 2003: One examination creates the impression that "no effect on body weight" In 2003, Japanese experts dispersed an examination in Phytotherapy. This examination reviewed the effects of Keto Lean Force focus on mice over a 4-week time period.