A dietary fiber product obtained from the Indian mulberry (Morinda citrifolia) plant and the process of extracting and purifying the fiber is disclosed. According to one embodiment, the Indian mulberry pulp is washed and separated from the juice by filtration. The wet pulp is pasteurized. The wet pulp can be further processed by drying. A high fiber products can be prepared by mixing the pulp with ingredients, such as supplemental dietary fiber, water, sweeteners, flavoring agents, coloring agents, and nutritional ingredients.