Losing weight is a critical part of many people's journey at one point or another. Lipotropic injections are alternative medicine used to complement exercise and diet in your weight-loss journey. They mostly contain vitamin B12, vitamin B6, vitamin B complex, and phentermine to assist you to lose weight. Their use is, however, unregulated, with many unfounded claims about this injectable ability to help you lose weight. With that in mind, here are five best OTC alternative weight loss pills that can ideally replace Lipotropic injections.