Natural Products in Anti-Obesity Therapy Obesity is regulated by genetic, endocrine, metabolic, neurological, pharmacological, environmental, and nutritional factors. The brain, gut, and adipose tissues interact with each other through metabolism-related neuropeptides, cytokines, chemokines, adipokines, and gut microbial composition. This contributes to changes in energy intake and energy expenditure. Globally, the increasing incidence of obesity is disturbing. In recent decades,...