better-together-kit - Intra+Fibrelife+Nutria=Better Together. Intra is the world-renowned botanical drink. It boosts immune system, supports healthy heart, increases energy, cleanses body from toxins. Nutria is a powerful antioxidant supplement with key vitamins, minerals and phytonutrients from 20 fruits and vegetables. Fibrelife is a unique soluble plant fibre with the highest viscosity of any fibre tested. It absorbs water quickly and continuously.