Stimulant-Free Weight Loss Formula. Fast Acting Liquid Capsule. Lipo-6 Stim-Free is a weight-loss formula that does not contain any stimulant ingredients. It is the perfect choice for those who wish to avoid stimulants while looking to reduce body fat and lose weight. It is also a great choice for people who like to alternate between weight-loss products that do not utilize stimulants and the ones that do. Lipo-6 Stim-Free comes in fast-absorbing liquid capsules for quicker effects. Its stimulant-free ingredients are embedded in natural vegetable capsules. Offering animal-free capsule material of pure plant origin makes this product a wonderful pick for the health conscious person.