Soursop Living Bitters are a detox beverage that can assist in many ways. To understand the benefits of Soursop Living Bitters, you must first understand the benefits of Soursop itself. Soursop is high in vitamin C, an antioxidant known to boost immune health. The vitamin strengthens your immune system, improving its ability to defend against pathogens. It also promotes the destruction of free radicals, which can help to protect your skin and cells from environmental oxidative damage.