Biosource Wellness Keto Biosource Wellness Keto a keto diet-friendly supplement provides an alternative source of energy in the form of fat. When your body starts burning fat instead of carbs, you are said to have reached the state of ketosis. This might take months to achieve. What Biosource Wellness Keto does is, it hasten the process of ketosis in your body. By burning the permanent fat stored in your body, you start to lose weight quickly.