*Nature’s Plus® GI Natural™ Bi-Layered Tablets feature a fast-release layer to optimise digestive comfort and energy, while the slow-release layer cleanses and revitalises. This outstanding formula starts with 1000 mg L-glutamine, enzyme-rich and alkalising whole foods, prebiotics and probiotics. Then, GI Natural supplies calcium for normal function of digestive enzymes, and zinc, which protects cells from oxidative stress, and contributes to normal acid-base metabolism and metabolism of carbohydrates and fatty acids, to help you on your way towards Digestion Perfection™.